Index: head/lib/libc/include/libc_private.h =================================================================== --- head/lib/libc/include/libc_private.h (revision 359929) +++ head/lib/libc/include/libc_private.h (revision 359930) @@ -1,432 +1,433 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1998 John Birrell . * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ * * Private definitions for libc, libc_r and libpthread. * */ #ifndef _LIBC_PRIVATE_H_ #define _LIBC_PRIVATE_H_ #include #include /* * This global flag is non-zero when a process has created one * or more threads. It is used to avoid calling locking functions * when they are not required. */ #ifndef __LIBC_ISTHREADED_DECLARED #define __LIBC_ISTHREADED_DECLARED extern int __isthreaded; #endif /* * Elf_Auxinfo *__elf_aux_vector, the pointer to the ELF aux vector * provided by kernel. Either set for us by rtld, or found at runtime * on stack for static binaries. * * Type is void to avoid polluting whole libc with ELF types. */ extern void *__elf_aux_vector; /* * libc should use libc_dlopen internally, which respects a global * flag where loading of new shared objects can be restricted. */ void *libc_dlopen(const char *, int); /* * For dynamic linker. */ void _rtld_error(const char *fmt, ...); /* * File lock contention is difficult to diagnose without knowing * where locks were set. Allow a debug library to be built which * records the source file and line number of each lock call. */ #ifdef _FLOCK_DEBUG #define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__) #else #define _FLOCKFILE(x) _flockfile(x) #endif /* * Macros for locking and unlocking FILEs. These test if the * process is threaded to avoid locking when not required. */ #define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp) #define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp) struct _spinlock; extern struct _spinlock __stdio_thread_lock __hidden; #define STDIO_THREAD_LOCK() \ do { \ if (__isthreaded) \ _SPINLOCK(&__stdio_thread_lock); \ } while (0) #define STDIO_THREAD_UNLOCK() \ do { \ if (__isthreaded) \ _SPINUNLOCK(&__stdio_thread_lock); \ } while (0) void __libc_spinlock_stub(struct _spinlock *); void __libc_spinunlock_stub(struct _spinlock *); /* * Indexes into the pthread jump table. * * Warning! If you change this type, you must also change the threads * libraries that reference it (libc_r, libpthread). */ typedef enum { PJT_ATFORK, PJT_ATTR_DESTROY, PJT_ATTR_GETDETACHSTATE, PJT_ATTR_GETGUARDSIZE, PJT_ATTR_GETINHERITSCHED, PJT_ATTR_GETSCHEDPARAM, PJT_ATTR_GETSCHEDPOLICY, PJT_ATTR_GETSCOPE, PJT_ATTR_GETSTACKADDR, PJT_ATTR_GETSTACKSIZE, PJT_ATTR_INIT, PJT_ATTR_SETDETACHSTATE, PJT_ATTR_SETGUARDSIZE, PJT_ATTR_SETINHERITSCHED, PJT_ATTR_SETSCHEDPARAM, PJT_ATTR_SETSCHEDPOLICY, PJT_ATTR_SETSCOPE, PJT_ATTR_SETSTACKADDR, PJT_ATTR_SETSTACKSIZE, PJT_CANCEL, PJT_CLEANUP_POP, PJT_CLEANUP_PUSH, PJT_COND_BROADCAST, PJT_COND_DESTROY, PJT_COND_INIT, PJT_COND_SIGNAL, PJT_COND_TIMEDWAIT, PJT_COND_WAIT, PJT_DETACH, PJT_EQUAL, PJT_EXIT, PJT_GETSPECIFIC, PJT_JOIN, PJT_KEY_CREATE, PJT_KEY_DELETE, PJT_KILL, PJT_MAIN_NP, PJT_MUTEXATTR_DESTROY, PJT_MUTEXATTR_INIT, PJT_MUTEXATTR_SETTYPE, PJT_MUTEX_DESTROY, PJT_MUTEX_INIT, PJT_MUTEX_LOCK, PJT_MUTEX_TRYLOCK, PJT_MUTEX_UNLOCK, PJT_ONCE, PJT_RWLOCK_DESTROY, PJT_RWLOCK_INIT, PJT_RWLOCK_RDLOCK, PJT_RWLOCK_TRYRDLOCK, PJT_RWLOCK_TRYWRLOCK, PJT_RWLOCK_UNLOCK, PJT_RWLOCK_WRLOCK, PJT_SELF, PJT_SETCANCELSTATE, PJT_SETCANCELTYPE, PJT_SETSPECIFIC, PJT_SIGMASK, PJT_TESTCANCEL, PJT_CLEANUP_POP_IMP, PJT_CLEANUP_PUSH_IMP, PJT_CANCEL_ENTER, PJT_CANCEL_LEAVE, PJT_MUTEX_CONSISTENT, PJT_MUTEXATTR_GETROBUST, PJT_MUTEXATTR_SETROBUST, PJT_GETTHREADID_NP, PJT_MAX } pjt_index_t; typedef int (*pthread_func_t)(void); typedef pthread_func_t pthread_func_entry_t[2]; extern pthread_func_entry_t __thr_jtable[]; void __set_error_selector(int *(*arg)(void)); int _pthread_mutex_init_calloc_cb_stub(pthread_mutex_t *mutex, void *(calloc_cb)(__size_t, __size_t)); typedef int (*interpos_func_t)(void); interpos_func_t *__libc_interposing_slot(int interposno); extern interpos_func_t __libc_interposing[] __hidden; enum { INTERPOS_accept, INTERPOS_accept4, INTERPOS_aio_suspend, INTERPOS_close, INTERPOS_connect, INTERPOS_fcntl, INTERPOS_fsync, INTERPOS_fork, INTERPOS_msync, INTERPOS_nanosleep, INTERPOS_openat, INTERPOS_poll, INTERPOS_pselect, INTERPOS_recvfrom, INTERPOS_recvmsg, INTERPOS_select, INTERPOS_sendmsg, INTERPOS_sendto, INTERPOS_setcontext, INTERPOS_sigaction, INTERPOS_sigprocmask, INTERPOS_sigsuspend, INTERPOS_sigwait, INTERPOS_sigtimedwait, INTERPOS_sigwaitinfo, INTERPOS_swapcontext, INTERPOS_system, INTERPOS_tcdrain, INTERPOS_read, INTERPOS_readv, INTERPOS_wait4, INTERPOS_write, INTERPOS_writev, INTERPOS__pthread_mutex_init_calloc_cb, INTERPOS_spinlock, INTERPOS_spinunlock, INTERPOS_kevent, INTERPOS_wait6, INTERPOS_ppoll, INTERPOS_map_stacks_exec, INTERPOS_fdatasync, INTERPOS_clock_nanosleep, INTERPOS_distribute_static_tls, INTERPOS_MAX }; /* * yplib internal interfaces */ #ifdef YP int _yp_check(char **); #endif /* * Initialise TLS for static programs */ void _init_tls(void); /* * Provides pthread_once()-like functionality for both single-threaded * and multi-threaded applications. */ int _once(pthread_once_t *, void (*)(void)); /* * Set the TLS thread pointer */ void _set_tp(void *tp); /* * This is a pointer in the C run-time startup code. It is used * by getprogname() and setprogname(). */ extern const char *__progname; /* * This function is used by the threading libraries to notify malloc that a * thread is exiting. */ void _malloc_thread_cleanup(void); /* * This function is used by the threading libraries to notify libc that a * thread is exiting, so its thread-local dtors should be called. */ void __cxa_thread_call_dtors(void); int __cxa_thread_atexit_hidden(void (*dtor_func)(void *), void *obj, void *dso_symbol) __hidden; /* * These functions are used by the threading libraries in order to protect * malloc across fork(). */ void _malloc_prefork(void); void _malloc_postfork(void); void _malloc_first_thread(void); /* * Function to clean up streams, called from abort() and exit(). */ extern void (*__cleanup)(void) __hidden; /* * Get kern.osreldate to detect ABI revisions. Explicitly * ignores value of $OSVERSION and caches result. */ int __getosreldate(void); #include #include struct aiocb; struct fd_set; struct iovec; struct kevent; struct msghdr; struct pollfd; struct rusage; struct sigaction; struct sockaddr; struct stat; struct statfs; struct timespec; struct timeval; struct timezone; struct __siginfo; struct __ucontext; struct __wrusage; enum idtype; int __sys_aio_suspend(const struct aiocb * const[], int, const struct timespec *); int __sys_accept(int, struct sockaddr *, __socklen_t *); int __sys_accept4(int, struct sockaddr *, __socklen_t *, int); int __sys_clock_gettime(__clockid_t, struct timespec *ts); int __sys_clock_nanosleep(__clockid_t, int, const struct timespec *, struct timespec *); int __sys_close(int); +int __sys_close_range(unsigned, unsigned, int); int __sys_connect(int, const struct sockaddr *, __socklen_t); int __sys_fcntl(int, int, ...); int __sys_fdatasync(int); int __sys_fstat(int fd, struct stat *); int __sys_fstatfs(int fd, struct statfs *); int __sys_fstatat(int, const char *, struct stat *, int); int __sys_fsync(int); __pid_t __sys_fork(void); int __sys_ftruncate(int, __off_t); __ssize_t __sys_getdirentries(int, char *, __size_t, __off_t *); int __sys_getfsstat(struct statfs *, long, int); int __sys_gettimeofday(struct timeval *, struct timezone *); int __sys_kevent(int, const struct kevent *, int, struct kevent *, int, const struct timespec *); __off_t __sys_lseek(int, __off_t, int); void *__sys_mmap(void *, __size_t, int, int, int, __off_t); int __sys_msync(void *, __size_t, int); int __sys_nanosleep(const struct timespec *, struct timespec *); int __sys_open(const char *, int, ...); int __sys_openat(int, const char *, int, ...); int __sys_pselect(int, struct fd_set *, struct fd_set *, struct fd_set *, const struct timespec *, const __sigset_t *); int __sys_ptrace(int, __pid_t, char *, int); int __sys_poll(struct pollfd *, unsigned, int); int __sys_ppoll(struct pollfd *, unsigned, const struct timespec *, const __sigset_t *); __ssize_t __sys_pread(int, void *, __size_t, __off_t); __ssize_t __sys_pwrite(int, const void *, __size_t, __off_t); __ssize_t __sys_read(int, void *, __size_t); __ssize_t __sys_readv(int, const struct iovec *, int); __ssize_t __sys_recv(int, void *, __size_t, int); __ssize_t __sys_recvfrom(int, void *, __size_t, int, struct sockaddr *, __socklen_t *); __ssize_t __sys_recvmsg(int, struct msghdr *, int); int __sys_select(int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *); __ssize_t __sys_sendmsg(int, const struct msghdr *, int); __ssize_t __sys_sendto(int, const void *, __size_t, int, const struct sockaddr *, __socklen_t); int __sys_setcontext(const struct __ucontext *); int __sys_sigaction(int, const struct sigaction *, struct sigaction *); int __sys_sigprocmask(int, const __sigset_t *, __sigset_t *); int __sys_sigsuspend(const __sigset_t *); int __sys_sigtimedwait(const __sigset_t *, struct __siginfo *, const struct timespec *); int __sys_sigwait(const __sigset_t *, int *); int __sys_sigwaitinfo(const __sigset_t *, struct __siginfo *); int __sys_statfs(const char *, struct statfs *); int __sys_swapcontext(struct __ucontext *, const struct __ucontext *); int __sys_thr_kill(long, int); int __sys_thr_self(long *); int __sys_truncate(const char *, __off_t); __pid_t __sys_wait4(__pid_t, int *, int, struct rusage *); __pid_t __sys_wait6(enum idtype, __id_t, int *, int, struct __wrusage *, struct __siginfo *); __ssize_t __sys_write(int, const void *, __size_t); __ssize_t __sys_writev(int, const struct iovec *, int); int __sys_shm_open2(const char *, int, __mode_t, int, const char *); int __libc_sigaction(int, const struct sigaction *, struct sigaction *) __hidden; int __libc_sigprocmask(int, const __sigset_t *, __sigset_t *) __hidden; int __libc_sigsuspend(const __sigset_t *) __hidden; int __libc_sigwait(const __sigset_t * __restrict, int * restrict sig); int __libc_system(const char *); int __libc_tcdrain(int); int __fcntl_compat(int fd, int cmd, ...); int __sys_futimens(int fd, const struct timespec *times) __hidden; int __sys_utimensat(int fd, const char *path, const struct timespec *times, int flag) __hidden; /* execve() with PATH processing to implement posix_spawnp() */ int _execvpe(const char *, char * const *, char * const *); int _elf_aux_info(int aux, void *buf, int buflen); struct dl_phdr_info; int __elf_phdr_match_addr(struct dl_phdr_info *, void *); void __init_elf_aux_vector(void); void __libc_map_stacks_exec(void); void __libc_distribute_static_tls(__size_t, void *, __size_t, __size_t); __uintptr_t __libc_static_tls_base(__size_t); void _pthread_cancel_enter(int); void _pthread_cancel_leave(int); struct _pthread_cleanup_info; void ___pthread_cleanup_push_imp(void (*)(void *), void *, struct _pthread_cleanup_info *); void ___pthread_cleanup_pop_imp(int); void __throw_constraint_handler_s(const char * restrict msg, int error); #endif /* _LIBC_PRIVATE_H_ */ Index: head/lib/libc/sys/Makefile.inc =================================================================== --- head/lib/libc/sys/Makefile.inc (revision 359929) +++ head/lib/libc/sys/Makefile.inc (revision 359930) @@ -1,503 +1,504 @@ # @(#)Makefile.inc 8.3 (Berkeley) 10/24/94 # $FreeBSD$ # sys sources .PATH: ${LIBC_SRCTOP}/${LIBC_ARCH}/sys ${LIBC_SRCTOP}/sys # Include the generated makefile containing the *complete* list # of syscall names in MIASM. .include "${SRCTOP}/sys/sys/syscall.mk" # Include machine dependent definitions. # # MDASM names override the default syscall names in MIASM. # NOASM will prevent the default syscall code from being generated. # PSEUDO generates _() and __sys_() symbols, but not (). # # While historically machine dependent, all architectures have the following # declarations in common: # NOASM= exit.o \ getlogin.o \ sstk.o \ yield.o PSEUDO= _exit.o \ _getlogin.o .sinclude "${LIBC_SRCTOP}/${LIBC_ARCH}/sys/Makefile.inc" SRCS+= clock_gettime.c gettimeofday.c __vdso_gettimeofday.c NOASM+= clock_gettime.o gettimeofday.o PSEUDO+= _clock_gettime.o _gettimeofday.o # Sources common to both syscall interfaces: SRCS+= \ __error.c \ interposing_table.c SRCS+= getdents.c lstat.c mknod.c stat.c SRCS+= fstat.c fstatat.c fstatfs.c getfsstat.c statfs.c NOASM+= fstat.o fstatat.o fstatfs.o getfsstat.o statfs.o PSEUDO+= _fstat.o _fstatat.o _fstatfs.o _getfsstat.o _statfs.o SRCS+= getdirentries.c NOASM+= getdirentries.o PSEUDO+= _getdirentries.o SRCS+= brk.c +SRCS+= closefrom.c SRCS+= pipe.c SRCS+= shm_open.c SRCS+= vadvise.c SRCS+= compat-stub.c INTERPOSED = \ accept \ accept4 \ aio_suspend \ clock_nanosleep \ close \ connect \ fcntl \ fdatasync \ fsync \ fork \ kevent \ msync \ nanosleep \ open \ openat \ poll \ ppoll \ pselect \ ptrace \ read \ readv \ recvfrom \ recvmsg \ select \ sendmsg \ sendto \ setcontext \ sigaction \ sigprocmask \ sigsuspend \ sigtimedwait \ sigwait \ sigwaitinfo \ swapcontext \ wait4 \ wait6 \ write \ writev SRCS+= ${INTERPOSED:S/$/.c/} NOASM+= ${INTERPOSED:S/$/.o/} PSEUDO+= ${INTERPOSED:C/^.*$/_&.o/} # Add machine dependent asm sources: SRCS+=${MDASM} # Look though the complete list of syscalls (MIASM) for names that are # not defined with machine dependent implementations (MDASM) and are # not declared for no generation of default code (NOASM). Add each # syscall that satisfies these conditions to the ASM list. .for _asm in ${MIASM} .if (${MDASM:R:M${_asm:R}} == "") .if (${NOASM:R:M${_asm:R}} == "") ASM+=$(_asm) .endif .endif .endfor SASM= ${ASM:S/.o/.S/} SPSEUDO= ${PSEUDO:S/.o/.S/} SRCS+= ${SASM} ${SPSEUDO} SYM_MAPS+= ${LIBC_SRCTOP}/sys/Symbol.map # Generated files CLEANFILES+= ${SASM} ${SPSEUDO} .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \ ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_ARCH:Marmv[67]*} NOTE_GNU_STACK='\t.section .note.GNU-stack,"",%%progbits\n' .else NOTE_GNU_STACK='' .endif ${SASM}: printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} printf '#include "compat.h"\n' >> ${.TARGET} printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >> ${.TARGET} printf ${NOTE_GNU_STACK} >>${.TARGET} ${SPSEUDO}: printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} printf '#include "compat.h"\n' >> ${.TARGET} printf '#include "SYS.h"\nPSEUDO(${.PREFIX:S/_//})\n' \ >> ${.TARGET} printf ${NOTE_GNU_STACK} >>${.TARGET} MAN+= abort2.2 \ accept.2 \ access.2 \ acct.2 \ adjtime.2 \ aio_cancel.2 \ aio_error.2 \ aio_fsync.2 \ aio_mlock.2 \ aio_read.2 \ aio_return.2 \ aio_suspend.2 \ aio_waitcomplete.2 \ aio_write.2 \ bind.2 \ bindat.2 \ brk.2 \ cap_enter.2 \ cap_fcntls_limit.2 \ cap_ioctls_limit.2 \ cap_rights_limit.2 \ chdir.2 \ chflags.2 \ chmod.2 \ chown.2 \ chroot.2 \ clock_gettime.2 \ close.2 \ closefrom.2 \ connect.2 \ connectat.2 \ copy_file_range.2 \ cpuset.2 \ cpuset_getaffinity.2 \ cpuset_getdomain.2 \ dup.2 \ execve.2 \ _exit.2 \ extattr_get_file.2 \ fcntl.2 \ ffclock.2 \ fhlink.2 \ fhopen.2 \ fhreadlink.2 \ flock.2 \ fork.2 \ fsync.2 \ getdirentries.2 \ getdtablesize.2 \ getfh.2 \ getfsstat.2 \ getgid.2 \ getgroups.2 \ getitimer.2 \ getlogin.2 \ getloginclass.2 \ getpeername.2 \ getpgrp.2 \ getpid.2 \ getpriority.2 \ getrandom.2 \ getrlimit.2 \ getrusage.2 \ getsid.2 \ getsockname.2 \ getsockopt.2 \ gettimeofday.2 \ getuid.2 \ intro.2 \ ioctl.2 \ issetugid.2 \ jail.2 \ kenv.2 \ kill.2 \ kldfind.2 \ kldfirstmod.2 \ kldload.2 \ kldnext.2 \ kldstat.2 \ kldsym.2 \ kldunload.2 \ kqueue.2 \ ktrace.2 \ link.2 \ lio_listio.2 \ listen.2 \ lseek.2 \ madvise.2 \ mincore.2 \ minherit.2 \ mkdir.2 \ mkfifo.2 \ mknod.2 \ mlock.2 \ mlockall.2 \ mmap.2 \ modfind.2 \ modnext.2 \ modstat.2 \ mount.2 \ mprotect.2 \ mq_close.2 \ mq_getattr.2 \ mq_notify.2 \ mq_open.2 \ mq_receive.2 \ mq_send.2 \ mq_setattr.2 \ msgctl.2 \ msgget.2 \ msgrcv.2 \ msgsnd.2 \ msync.2 \ munmap.2 \ nanosleep.2 \ nfssvc.2 \ ntp_adjtime.2 \ open.2 \ pathconf.2 \ pdfork.2 \ pipe.2 \ poll.2 \ posix_fadvise.2 \ posix_fallocate.2 \ posix_openpt.2 \ procctl.2 \ profil.2 \ pselect.2 \ ptrace.2 \ quotactl.2 \ rctl_add_rule.2 \ read.2 \ readlink.2 \ reboot.2 \ recv.2 \ rename.2 \ revoke.2 \ rfork.2 \ rmdir.2 \ rtprio.2 .if !defined(NO_P1003_1B) MAN+= sched_get_priority_max.2 \ sched_setparam.2 \ sched_setscheduler.2 \ sched_yield.2 .endif MAN+= sctp_generic_recvmsg.2 \ sctp_generic_sendmsg.2 \ sctp_peeloff.2 \ select.2 \ semctl.2 \ semget.2 \ semop.2 \ send.2 \ setfib.2 \ sendfile.2 \ setgroups.2 \ setpgid.2 \ setregid.2 \ setresuid.2 \ setreuid.2 \ setsid.2 \ setuid.2 \ shmat.2 \ shmctl.2 \ shmget.2 \ shm_open.2 \ shutdown.2 \ sigaction.2 \ sigaltstack.2 \ sigfastblock.2 \ sigpending.2 \ sigprocmask.2 \ sigqueue.2 \ sigreturn.2 \ sigstack.2 \ sigsuspend.2 \ sigwait.2 \ sigwaitinfo.2 \ socket.2 \ socketpair.2 \ stat.2 \ statfs.2 \ swapon.2 \ symlink.2 \ sync.2 \ sysarch.2 \ syscall.2 \ thr_exit.2 \ thr_kill.2 \ thr_new.2 \ thr_self.2 \ thr_set_name.2 \ thr_suspend.2 \ thr_wake.2 \ timer_create.2 \ timer_delete.2 \ timer_settime.2 \ truncate.2 \ umask.2 \ undelete.2 \ unlink.2 \ utimensat.2 \ utimes.2 \ utrace.2 \ uuidgen.2 \ vfork.2 \ wait.2 \ write.2 \ _umtx_op.2 MLINKS+=accept.2 accept4.2 MLINKS+=access.2 eaccess.2 \ access.2 faccessat.2 MLINKS+=brk.2 sbrk.2 MLINKS+=cap_enter.2 cap_getmode.2 MLINKS+=cap_fcntls_limit.2 cap_fcntls_get.2 MLINKS+=cap_ioctls_limit.2 cap_ioctls_get.2 MLINKS+=chdir.2 fchdir.2 MLINKS+=chflags.2 chflagsat.2 \ chflags.2 fchflags.2 \ chflags.2 lchflags.2 MLINKS+=chmod.2 fchmod.2 \ chmod.2 fchmodat.2 \ chmod.2 lchmod.2 MLINKS+=chown.2 fchown.2 \ chown.2 fchownat.2 \ chown.2 lchown.2 MLINKS+=clock_gettime.2 clock_getres.2 \ clock_gettime.2 clock_settime.2 MLINKS+=closefrom.2 close_range.2 MLINKS+=nanosleep.2 clock_nanosleep.2 MLINKS+=cpuset.2 cpuset_getid.2 \ cpuset.2 cpuset_setid.2 MLINKS+=cpuset_getaffinity.2 cpuset_setaffinity.2 MLINKS+=cpuset_getdomain.2 cpuset_setdomain.2 MLINKS+=dup.2 dup2.2 MLINKS+=execve.2 fexecve.2 MLINKS+=extattr_get_file.2 extattr.2 \ extattr_get_file.2 extattr_delete_fd.2 \ extattr_get_file.2 extattr_delete_file.2 \ extattr_get_file.2 extattr_delete_link.2 \ extattr_get_file.2 extattr_get_fd.2 \ extattr_get_file.2 extattr_get_link.2 \ extattr_get_file.2 extattr_list_fd.2 \ extattr_get_file.2 extattr_list_file.2 \ extattr_get_file.2 extattr_list_link.2 \ extattr_get_file.2 extattr_set_fd.2 \ extattr_get_file.2 extattr_set_file.2 \ extattr_get_file.2 extattr_set_link.2 MLINKS+=ffclock.2 ffclock_getcounter.2 \ ffclock.2 ffclock_getestimate.2 \ ffclock.2 ffclock_setestimate.2 MLINKS+=fhlink.2 fhlinkat.2 MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2 MLINKS+=fsync.2 fdatasync.2 MLINKS+=getdirentries.2 getdents.2 MLINKS+=getfh.2 lgetfh.2 \ getfh.2 getfhat.2 MLINKS+=getgid.2 getegid.2 MLINKS+=getitimer.2 setitimer.2 MLINKS+=getlogin.2 getlogin_r.3 MLINKS+=getlogin.2 setlogin.2 MLINKS+=getloginclass.2 setloginclass.2 MLINKS+=getpgrp.2 getpgid.2 MLINKS+=getpid.2 getppid.2 MLINKS+=getpriority.2 setpriority.2 MLINKS+=getrlimit.2 setrlimit.2 MLINKS+=getsockopt.2 setsockopt.2 MLINKS+=gettimeofday.2 settimeofday.2 MLINKS+=getuid.2 geteuid.2 MLINKS+=intro.2 errno.2 MLINKS+=jail.2 jail_attach.2 \ jail.2 jail_get.2 \ jail.2 jail_remove.2 \ jail.2 jail_set.2 MLINKS+=kldunload.2 kldunloadf.2 MLINKS+=kqueue.2 kevent.2 \ kqueue.2 EV_SET.3 MLINKS+=link.2 linkat.2 MLINKS+=madvise.2 posix_madvise.2 MLINKS+=mkdir.2 mkdirat.2 MLINKS+=mkfifo.2 mkfifoat.2 MLINKS+=mknod.2 mknodat.2 MLINKS+=mlock.2 munlock.2 MLINKS+=mlockall.2 munlockall.2 MLINKS+=modnext.2 modfnext.2 MLINKS+=mount.2 nmount.2 \ mount.2 unmount.2 MLINKS+=mq_receive.2 mq_timedreceive.2 MLINKS+=mq_send.2 mq_timedsend.2 MLINKS+=ntp_adjtime.2 ntp_gettime.2 MLINKS+=open.2 openat.2 MLINKS+=pathconf.2 fpathconf.2 MLINKS+=pathconf.2 lpathconf.2 MLINKS+=pdfork.2 pdgetpid.2\ pdfork.2 pdkill.2 MLINKS+=pipe.2 pipe2.2 MLINKS+=poll.2 ppoll.2 MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ rctl_add_rule.2 rctl_get_racct.2 \ rctl_add_rule.2 rctl_get_rules.2 \ rctl_add_rule.2 rctl_remove_rule.2 MLINKS+=read.2 pread.2 \ read.2 preadv.2 \ read.2 readv.2 MLINKS+=readlink.2 readlinkat.2 MLINKS+=recv.2 recvfrom.2 \ recv.2 recvmsg.2 MLINKS+=rename.2 renameat.2 MLINKS+=rtprio.2 rtprio_thread.2 .if !defined(NO_P1003_1B) MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \ sched_get_priority_max.2 sched_rr_get_interval.2 MLINKS+=sched_setparam.2 sched_getparam.2 MLINKS+=sched_setscheduler.2 sched_getscheduler.2 .endif MLINKS+=select.2 FD_CLR.3 \ select.2 FD_ISSET.3 \ select.2 FD_SET.3 \ select.2 FD_ZERO.3 MLINKS+=send.2 sendmsg.2 \ send.2 sendto.2 MLINKS+=setpgid.2 setpgrp.2 MLINKS+=setresuid.2 getresgid.2 \ setresuid.2 getresuid.2 \ setresuid.2 setresgid.2 MLINKS+=setuid.2 setegid.2 \ setuid.2 seteuid.2 \ setuid.2 setgid.2 MLINKS+=shmat.2 shmdt.2 MLINKS+=shm_open.2 memfd_create.3 \ shm_open.2 shm_unlink.2 \ shm_open.2 shm_rename.2 MLINKS+=sigwaitinfo.2 sigtimedwait.2 MLINKS+=stat.2 fstat.2 \ stat.2 fstatat.2 \ stat.2 lstat.2 MLINKS+=statfs.2 fstatfs.2 MLINKS+=swapon.2 swapoff.2 MLINKS+=symlink.2 symlinkat.2 MLINKS+=syscall.2 __syscall.2 MLINKS+=timer_settime.2 timer_getoverrun.2 \ timer_settime.2 timer_gettime.2 MLINKS+=thr_kill.2 thr_kill2.2 MLINKS+=truncate.2 ftruncate.2 MLINKS+=unlink.2 unlinkat.2 MLINKS+=unlink.2 funlinkat.2 MLINKS+=utimensat.2 futimens.2 MLINKS+=utimes.2 futimes.2 \ utimes.2 futimesat.2 \ utimes.2 lutimes.2 MLINKS+=wait.2 wait3.2 \ wait.2 wait4.2 \ wait.2 waitpid.2 \ wait.2 waitid.2 \ wait.2 wait6.2 MLINKS+=write.2 pwrite.2 \ write.2 pwritev.2 \ write.2 writev.2 Index: head/lib/libc/sys/Symbol.map =================================================================== --- head/lib/libc/sys/Symbol.map (revision 359929) +++ head/lib/libc/sys/Symbol.map (revision 359930) @@ -1,1038 +1,1036 @@ /* * $FreeBSD$ */ /* * It'd be nice to automatically generate the syscall symbols, but we * don't know to what version they will eventually belong to, so for now * it has to be manual. */ FBSD_1.0 { __acl_aclcheck_fd; __acl_aclcheck_file; __acl_aclcheck_link; __acl_delete_fd; __acl_delete_file; __acl_delete_link; __acl_get_fd; __acl_get_file; __acl_get_link; __acl_set_fd; __acl_set_file; __acl_set_link; __getcwd; __mac_execve; __mac_get_fd; __mac_get_file; __mac_get_link; __mac_get_pid; __mac_get_proc; __mac_set_fd; __mac_set_file; __mac_set_link; __mac_set_proc; __setugid; __syscall; __sysctl; _umtx_op; abort2; accept; access; acct; adjtime; aio_cancel; aio_error; aio_fsync; aio_read; aio_return; aio_suspend; aio_waitcomplete; aio_write; audit; auditctl; auditon; bind; chdir; chflags; chmod; chown; chroot; clock_getres; clock_gettime; clock_settime; close; connect; dup; dup2; eaccess; execve; extattr_delete_fd; extattr_delete_file; extattr_delete_link; extattr_get_fd; extattr_get_file; extattr_get_link; extattr_list_fd; extattr_list_file; extattr_list_link; extattr_set_fd; extattr_set_file; extattr_set_link; extattrctl; fchdir; fchflags; fchmod; fchown; fcntl; fhopen; flock; fork; fpathconf; fsync; futimes; getaudit; getaudit_addr; getauid; getcontext; getdtablesize; getegid; geteuid; getfh; getgid; getgroups; getitimer; getpeername; getpgid; getpgrp; getpid; getppid; getpriority; getresgid; getresuid; getrlimit; getrusage; getsid; getsockname; getsockopt; gettimeofday; getuid; ioctl; issetugid; jail; jail_attach; kenv; kill; kldfind; kldfirstmod; kldload; kldnext; kldstat; kldsym; kldunload; kldunloadf; kqueue; kmq_notify; /* Do we want these to be public interfaces? */ kmq_open; /* librt uses them to provide mq_xxx. */ kmq_setattr; kmq_timedreceive; kmq_timedsend; kmq_unlink; ksem_close; ksem_destroy; ksem_getvalue; ksem_init; ksem_open; ksem_post; ksem_timedwait; ksem_trywait; ksem_unlink; ksem_wait; ktrace; lchflags; lchmod; lchown; lgetfh; link; lio_listio; listen; lutimes; mac_syscall; madvise; mincore; minherit; mkdir; mkfifo; mlock; mlockall; modfind; modfnext; modnext; modstat; mount; mprotect; msgget; msgrcv; msgsnd; msgsys; msync; munlock; munlockall; munmap; nanosleep; nfssvc; nmount; ntp_adjtime; ntp_gettime; open; pathconf; pipe; poll; posix_openpt; preadv; profil; pselect; ptrace; pwritev; quotactl; read; readlink; readv; reboot; recvfrom; recvmsg; rename; revoke; rfork; rmdir; rtprio; rtprio_thread; sched_get_priority_max; sched_get_priority_min; sched_getparam; sched_getscheduler; sched_rr_get_interval; sched_setparam; sched_setscheduler; sched_yield; select; semget; semop; semsys; sendfile; sendmsg; sendto; setaudit; setaudit_addr; setauid; setegid; seteuid; setgid; setgroups; setitimer; setlogin; setpgid; setpriority; setregid; setresgid; setresuid; setreuid; setrlimit; setsid; setsockopt; settimeofday; setuid; shm_open; shm_unlink; shmat; shmdt; shmget; shmsys; shutdown; sigaction; sigaltstack; sigpending; sigprocmask; sigqueue; sigreturn; sigsuspend; sigtimedwait; sigwait; sigwaitinfo; socket; socketpair; swapoff; swapon; symlink; sync; sysarch; syscall; thr_create; thr_exit; thr_kill; thr_kill2; thr_new; thr_self; thr_set_name; thr_suspend; thr_wake; ktimer_create; /* Do we want these to be public interfaces? */ ktimer_delete; /* librt uses them to provide timer_xxx. */ ktimer_getoverrun; ktimer_gettime; ktimer_settime; umask; undelete; unlink; unmount; utimes; utrace; uuidgen; vadvise; wait4; write; writev; __error; ftruncate; lseek; mmap; pread; pwrite; truncate; }; FBSD_1.1 { __semctl; closefrom; cpuset; cpuset_getid; cpuset_setid; cpuset_getaffinity; cpuset_setaffinity; faccessat; fchmodat; fchownat; fexecve; futimesat; jail_get; jail_set; jail_remove; linkat; lpathconf; mkdirat; mkfifoat; msgctl; readlinkat; renameat; setfib; shmctl; symlinkat; unlinkat; }; FBSD_1.2 { cap_enter; cap_getmode; getloginclass; pdfork; pdgetpid; pdkill; posix_fallocate; rctl_get_racct; rctl_get_rules; rctl_get_limits; rctl_add_rule; rctl_remove_rule; setloginclass; }; FBSD_1.3 { accept4; aio_mlock; bindat; cap_fcntls_get; cap_fcntls_limit; cap_ioctls_get; cap_ioctls_limit; __cap_rights_get; cap_rights_limit; cap_sandboxed; chflagsat; clock_getcpuclockid2; connectat; ffclock_getcounter; ffclock_getestimate; ffclock_setestimate; pipe2; posix_fadvise; procctl; wait6; }; FBSD_1.4 { futimens; ppoll; utimensat; numa_setaffinity; numa_getaffinity; sendmmsg; recvmmsg; }; FBSD_1.5 { clock_nanosleep; fdatasync; fhstat; fhstatfs; fstat; fstatat; fstatfs; getdents; getdirentries; getfsstat; getrandom; kevent; lstat; mknod; mknodat; stat; statfs; cpuset_getdomain; cpuset_setdomain; }; FBSD_1.6 { __sysctlbyname; close_range; copy_file_range; fhlink; fhlinkat; fhreadlink; getfhat; funlinkat; memfd_create; shm_rename; }; FBSDprivate_1.0 { ___acl_aclcheck_fd; __sys___acl_aclcheck_fd; ___acl_aclcheck_file; __sys___acl_aclcheck_file; ___acl_aclcheck_link; __sys___acl_aclcheck_link; ___acl_delete_fd; __sys___acl_delete_fd; ___acl_delete_file; __sys___acl_delete_file; ___acl_delete_link; __sys___acl_delete_link; ___acl_get_fd; __sys___acl_get_fd; ___acl_get_file; __sys___acl_get_file; ___acl_get_link; __sys___acl_get_link; ___acl_set_fd; __sys___acl_set_fd; ___acl_set_file; __sys___acl_set_file; ___acl_set_link; __sys___acl_set_link; ___getcwd; __sys___getcwd; ___mac_execve; __sys___mac_execve; ___mac_get_fd; __sys___mac_get_fd; ___mac_get_file; __sys___mac_get_file; ___mac_get_link; __sys___mac_get_link; ___mac_get_pid; __sys___mac_get_pid; ___mac_get_proc; __sys___mac_get_proc; ___mac_set_fd; __sys___mac_set_fd; ___mac_set_file; __sys___mac_set_file; ___mac_set_link; __sys___mac_set_link; ___mac_set_proc; __sys___mac_set_proc; ___semctl; __sys___semctl; ___setugid; __sys___setugid; ___syscall; __sys___syscall; ___sysctl; __sys___sysctl; __umtx_op; __sys__umtx_op; _abort2; __sys_abort2; _accept; __sys_accept; _accept4; __sys_accept4; _access; __sys_access; _acct; __sys_acct; _adjtime; __sys_adjtime; __sys_aio_cancel; __sys_aio_error; __sys_aio_fsync; __sys_aio_read; __sys_aio_return; __sys_aio_suspend; __sys_aio_waitcomplete; __sys_aio_write; _audit; __sys_audit; _auditctl; __sys_auditctl; _auditon; __sys_auditon; _bind; __sys_bind; _chdir; __sys_chdir; _chflags; __sys_chflags; _chmod; __sys_chmod; _chown; __sys_chown; _chroot; __sys_chroot; _clock_getcpuclockid2; __sys_clock_getcpuclockid2; _clock_getres; __sys_clock_getres; _clock_gettime; __sys_clock_gettime; __sys_clock_nanosleep; _clock_settime; __sys_clock_settime; _close; __sys_close; - _closefrom; - __sys_closefrom; _connect; __sys_connect; _cpuset; __sys_cpuset; _cpuset_getid; __sys_cpuset_getid; _cpuset_setid; __sys_cpuset_setid; _cpuset_getaffinity; __sys_cpuset_getaffinity; _cpuset_setaffinity; __sys_cpuset_setaffinity; _dup; __sys_dup; _dup2; __sys_dup2; _eaccess; __sys_eaccess; _execve; __sys_execve; _extattr_delete_fd; __sys_extattr_delete_fd; _extattr_delete_file; __sys_extattr_delete_file; _extattr_delete_link; __sys_extattr_delete_link; _extattr_get_fd; __sys_extattr_get_fd; _extattr_get_file; __sys_extattr_get_file; _extattr_get_link; __sys_extattr_get_link; _extattr_list_fd; __sys_extattr_list_fd; _extattr_list_file; __sys_extattr_list_file; _extattr_list_link; __sys_extattr_list_link; _extattr_set_fd; __sys_extattr_set_fd; _extattr_set_file; __sys_extattr_set_file; _extattr_set_link; __sys_extattr_set_link; _extattrctl; __sys_extattrctl; __sys_sigfastblock; _fchdir; __sys_fchdir; _fchflags; __sys_fchflags; _fchmod; __sys_fchmod; _fchown; __sys_fchown; _fcntl; __sys_fcntl; __fcntl_compat; _fhopen; __sys_fhopen; _fhstat; __sys_fhstat; _fhstatfs; __sys_fhstatfs; _flock; __sys_flock; _fork; __sys_fork; _fpathconf; __sys_fpathconf; _fstat; __sys_fstat; _fstatfs; __sys_fstatfs; _fsync; __sys_fsync; _fdatasync; __sys_fdatasync; _futimes; __sys_futimes; _getaudit; __sys_getaudit; _getaudit_addr; __sys_getaudit_addr; _getauid; __sys_getauid; _getcontext; __sys_getcontext; _getdirentries; __sys_getdirentries; _getdtablesize; __sys_getdtablesize; _getegid; __sys_getegid; _geteuid; __sys_geteuid; _getfh; __sys_getfh; _getfsstat; __sys_getfsstat; _getgid; __sys_getgid; _getgroups; __sys_getgroups; _getitimer; __sys_getitimer; _getpeername; __sys_getpeername; _getpgid; __sys_getpgid; _getpgrp; __sys_getpgrp; _getpid; __sys_getpid; _getppid; __sys_getppid; _getpriority; __sys_getpriority; _getresgid; __sys_getresgid; _getresuid; __sys_getresuid; _getrlimit; __sys_getrlimit; _getrusage; __sys_getrusage; _getsid; __sys_getsid; _getsockname; __sys_getsockname; _getsockopt; __sys_getsockopt; _gettimeofday; __sys_gettimeofday; _getuid; __sys_getuid; _ioctl; __sys_ioctl; _issetugid; __sys_issetugid; _jail; __sys_jail; _jail_attach; __sys_jail_attach; _kenv; __sys_kenv; _kevent; __sys_kevent; _kill; __sys_kill; _kldfind; __sys_kldfind; _kldfirstmod; __sys_kldfirstmod; _kldload; __sys_kldload; _kldnext; __sys_kldnext; _kldstat; __sys_kldstat; _kldsym; __sys_kldsym; _kldunload; __sys_kldunload; _kldunloadf; __sys_kldunloadf; _kmq_notify; __sys_kmq_notify; _kmq_open; __sys_kmq_open; _kmq_setattr; __sys_kmq_setattr; _kmq_timedreceive; __sys_kmq_timedreceive; _kmq_timedsend; __sys_kmq_timedsend; _kmq_unlink; __sys_kmq_unlink; _kqueue; __sys_kqueue; _ksem_close; __sys_ksem_close; _ksem_destroy; __sys_ksem_destroy; _ksem_getvalue; __sys_ksem_getvalue; _ksem_init; __sys_ksem_init; _ksem_open; __sys_ksem_open; _ksem_post; __sys_ksem_post; _ksem_timedwait; __sys_ksem_timedwait; _ksem_trywait; __sys_ksem_trywait; _ksem_unlink; __sys_ksem_unlink; _ksem_wait; __sys_ksem_wait; _ktrace; __sys_ktrace; _lchflags; __sys_lchflags; _lchmod; __sys_lchmod; _lchown; __sys_lchown; _lgetfh; __sys_lgetfh; _link; __sys_link; __sys_lio_listio; _listen; __sys_listen; _lutimes; __sys_lutimes; _mac_syscall; __sys_mac_syscall; _madvise; __sys_madvise; _mincore; __sys_mincore; _minherit; __sys_minherit; _mkdir; __sys_mkdir; _mkfifo; __sys_mkfifo; _mknod; __sys_mknod; _mlock; __sys_mlock; _mlockall; __sys_mlockall; _modfind; __sys_modfind; _modfnext; __sys_modfnext; _modnext; __sys_modnext; _modstat; __sys_modstat; _mount; __sys_mount; _mprotect; __sys_mprotect; _msgctl; __sys_msgctl; _msgget; __sys_msgget; _msgrcv; __sys_msgrcv; _msgsnd; __sys_msgsnd; _msgsys; __sys_msgsys; _msync; __sys_msync; _munlock; __sys_munlock; _munlockall; __sys_munlockall; _munmap; __sys_munmap; _nanosleep; __sys_nanosleep; _nfssvc; __sys_nfssvc; _nmount; __sys_nmount; _ntp_adjtime; __sys_ntp_adjtime; _ntp_gettime; __sys_ntp_gettime; _open; __sys_open; _openat; __sys_openat; _pathconf; __sys_pathconf; _pipe; __sys_pipe; _poll; __sys_poll; _ppoll; __sys_ppoll; _preadv; __sys_preadv; _procctl; __sys_procctl; _profil; __sys_profil; _pselect; __sys_pselect; _ptrace; __sys_ptrace; _pwritev; __sys_pwritev; _quotactl; __sys_quotactl; _read; __sys_read; _readlink; __sys_readlink; _readv; __sys_readv; _reboot; __sys_reboot; _recvfrom; __sys_recvfrom; _recvmsg; __sys_recvmsg; _rename; __sys_rename; _revoke; __sys_revoke; _rfork; __sys_rfork; _rmdir; __sys_rmdir; _rtprio; __sys_rtprio; _rtprio_thread; __sys_rtprio_thread; _sched_get_priority_max; __sys_sched_get_priority_max; _sched_get_priority_min; __sys_sched_get_priority_min; _sched_getparam; __sys_sched_getparam; _sched_getscheduler; __sys_sched_getscheduler; _sched_rr_get_interval; __sys_sched_rr_get_interval; _sched_setparam; __sys_sched_setparam; _sched_setscheduler; __sys_sched_setscheduler; _sched_yield; __sys_sched_yield; _select; __sys_select; _semget; __sys_semget; _semop; __sys_semop; _semsys; __sys_semsys; _sendfile; __sys_sendfile; _sendmsg; __sys_sendmsg; _sendto; __sys_sendto; _setaudit; __sys_setaudit; _setaudit_addr; __sys_setaudit_addr; _setauid; __sys_setauid; _setcontext; __sys_setcontext; _setegid; __sys_setegid; _seteuid; __sys_seteuid; _setgid; __sys_setgid; _setgroups; __sys_setgroups; _setitimer; __sys_setitimer; _setlogin; __sys_setlogin; _setpgid; __sys_setpgid; _setpriority; __sys_setpriority; _setregid; __sys_setregid; _setresgid; __sys_setresgid; _setresuid; __sys_setresuid; _setreuid; __sys_setreuid; _setrlimit; __sys_setrlimit; _setsid; __sys_setsid; _setsockopt; __sys_setsockopt; _settimeofday; __sys_settimeofday; _setuid; __sys_setuid; _shm_open; __sys_shm_open; _shm_unlink; __sys_shm_unlink; _shmat; __sys_shmat; _shmctl; __sys_shmctl; _shmdt; __sys_shmdt; _shmget; __sys_shmget; _shmsys; __sys_shmsys; _shutdown; __sys_shutdown; _sigaction; __sys_sigaction; _sigaltstack; __sys_sigaltstack; _sigpending; __sys_sigpending; _sigprocmask; __sys_sigprocmask; _sigqueue; __sys_sigqueue; _sigreturn; __sys_sigreturn; _sigsuspend; __sys_sigsuspend; _sigtimedwait; __sys_sigtimedwait; _sigwait; __sigwait; __sys_sigwait; _sigwaitinfo; __sys_sigwaitinfo; _socket; __sys_socket; _socketpair; __sys_socketpair; _statfs; __sys_statfs; _swapcontext; __sys_swapcontext; _swapoff; __sys_swapoff; _swapon; __sys_swapon; _symlink; __sys_symlink; _sync; __sys_sync; _sysarch; __sys_sysarch; _syscall; __sys_syscall; _thr_create; __sys_thr_create; _thr_exit; __sys_thr_exit; _thr_kill; __sys_thr_kill; _thr_kill2; __sys_thr_kill2; _thr_new; __sys_thr_new; _thr_self; __sys_thr_self; _thr_set_name; __sys_thr_set_name; _thr_suspend; __sys_thr_suspend; _thr_wake; __sys_thr_wake; _ktimer_create; __sys_ktimer_create; _ktimer_delete; __sys_ktimer_delete; _ktimer_getoverrun; __sys_ktimer_getoverrun; _ktimer_gettime; __sys_ktimer_gettime; _ktimer_settime; __sys_ktimer_settime; _umask; __sys_umask; _undelete; __sys_undelete; _unlink; __sys_unlink; _unmount; __sys_unmount; _utimes; __sys_utimes; _utrace; __sys_utrace; _uuidgen; __sys_uuidgen; _wait4; __sys_wait4; _wait6; __sys_wait6; _write; __sys_write; _writev; __sys_writev; __set_error_selector; nlm_syscall; gssd_syscall; __libc_interposing_slot; __libc_sigwait; _cpuset_getdomain; __sys_cpuset_getdomain; _cpuset_setdomain; __sys_cpuset_setdomain; }; Index: head/lib/libc/sys/closefrom.c =================================================================== --- head/lib/libc/sys/closefrom.c (nonexistent) +++ head/lib/libc/sys/closefrom.c (revision 359930) @@ -0,0 +1,47 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2020 Kyle Evans + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include + +#include "libc_private.h" + +#define CLOSE_RANGE_OSREL 1300091 + +void +closefrom(int lowfd) +{ + + if (__getosreldate() >= CLOSE_RANGE_OSREL) + __sys_close_range(lowfd, ~0U, 0); + else + /* Fallback to closefrom(2) on older kernels. */ + syscall(SYS_freebsd12_closefrom, lowfd); +} Property changes on: head/lib/libc/sys/closefrom.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property Index: head/sys/compat/freebsd32/syscalls.master =================================================================== --- head/sys/compat/freebsd32/syscalls.master (revision 359929) +++ head/sys/compat/freebsd32/syscalls.master (revision 359930) @@ -1,1168 +1,1168 @@ $FreeBSD$ ; from: @(#)syscalls.master 8.2 (Berkeley) 1/13/94 ; from: src/sys/kern/syscalls.master 1.107 ; ; System call name/number master file. ; Processed to created init_sysent.c, syscalls.c and syscall.h. ; Columns: number audit type name alt{name,tag,rtyp}/comments ; number system call number, must be in order ; audit the audit event associated with the system call ; A value of AUE_NULL means no auditing, but it also means that ; there is no audit event for the call at this time. For the ; case where the event exists, but we don't want auditing, the ; event should be #defined to AUE_NULL in audit_kevents.h. ; type one of STD, OBSOL, UNIMPL, COMPAT, COMPAT4, COMPAT6, ; COMPAT7, COMPAT11, COMPAT12, NODEF, NOARGS, NOPROTO, NOSTD ; The COMPAT* options may be combined with one or more NO* ; options separated by '|' with no spaces (e.g. COMPAT|NOARGS) ; name pseudo-prototype of syscall routine ; If one of the following alts is different, then all appear: ; altname name of system call if different ; alttag name of args struct tag if different from [o]`name'"_args" ; altrtyp return type if not int (bogus - syscalls always return int) ; for UNIMPL/OBSOL, name continues with comments ; types: ; STD always included ; COMPAT included on COMPAT #ifdef ; COMPAT4 included on COMPAT_FREEBSD4 #ifdef (FreeBSD 4 compat) ; COMPAT6 included on COMPAT_FREEBSD6 #ifdef (FreeBSD 6 compat) ; COMPAT7 included on COMPAT_FREEBSD7 #ifdef (FreeBSD 7 compat) ; COMPAT10 included on COMPAT_FREEBSD10 #ifdef (FreeBSD 10 compat) ; COMPAT11 included on COMPAT_FREEBSD11 #ifdef (FreeBSD 11 compat) ; COMPAT12 included on COMPAT_FREEBSD12 #ifdef (FreeBSD 12 compat) ; OBSOL obsolete, not included in system, only specifies name ; UNIMPL not implemented, placeholder only ; NOSTD implemented but as a lkm that can be statically ; compiled in; sysent entry will be filled with lkmressys ; so the SYSCALL_MODULE macro works ; NOARGS same as STD except do not create structure in sys/sysproto.h ; NODEF same as STD except only have the entry in the syscall table ; added. Meaning - do not create structure or function ; prototype in sys/sysproto.h ; NOPROTO same as STD except do not create structure or ; function prototype in sys/sysproto.h. Does add a ; definition to syscall.h besides adding a sysent. ; #ifdef's, etc. may be included, and are copied to the output files. #include #include #include #include #include #include #include #if !defined(PAD64_REQUIRED) && !defined(__amd64__) #define PAD64_REQUIRED #endif ; Reserved/unimplemented system calls in the range 0-150 inclusive ; are reserved for use in future Berkeley releases. ; Additional system calls implemented in vendor and other ; redistributions should be placed in the reserved range at the end ; of the current calls. 0 AUE_NULL NOPROTO { int nosys(void); } syscall nosys_args int 1 AUE_EXIT NOPROTO { void sys_exit(int rval); } exit \ sys_exit_args void 2 AUE_FORK NOPROTO { int fork(void); } 3 AUE_READ NOPROTO { ssize_t read(int fd, void *buf, \ size_t nbyte); } 4 AUE_WRITE NOPROTO { ssize_t write(int fd, const void *buf, \ size_t nbyte); } 5 AUE_OPEN_RWTC NOPROTO { int open(const char *path, int flags, \ mode_t mode); } 6 AUE_CLOSE NOPROTO { int close(int fd); } 7 AUE_WAIT4 STD { int freebsd32_wait4(int pid, int *status, \ int options, struct rusage32 *rusage); } 8 AUE_CREAT OBSOL old creat 9 AUE_LINK NOPROTO { int link(const char *path, \ const char *link); } 10 AUE_UNLINK NOPROTO { int unlink(const char *path); } 11 AUE_NULL OBSOL execv 12 AUE_CHDIR NOPROTO { int chdir(const char *path); } 13 AUE_FCHDIR NOPROTO { int fchdir(int fd); } 14 AUE_MKNOD COMPAT11|NOPROTO { int mknod(const char *path, \ int mode, uint32_t dev); } 15 AUE_CHMOD NOPROTO { int chmod(const char *path, mode_t mode); } 16 AUE_CHOWN NOPROTO { int chown(const char *path, int uid, int gid); } 17 AUE_NULL NOPROTO { void *break(char *nsize); } 18 AUE_GETFSSTAT COMPAT4 { int freebsd32_getfsstat( \ struct statfs32 *buf, long bufsize, \ int mode); } 19 AUE_LSEEK COMPAT { int freebsd32_lseek(int fd, int offset, \ int whence); } 20 AUE_GETPID NOPROTO { pid_t getpid(void); } 21 AUE_MOUNT NOPROTO { int mount(const char *type, \ const char *path, \ int flags, void *data); } 22 AUE_UMOUNT NOPROTO { int unmount(const char *path, int flags); } 23 AUE_SETUID NOPROTO { int setuid(uid_t uid); } 24 AUE_GETUID NOPROTO { uid_t getuid(void); } 25 AUE_GETEUID NOPROTO { uid_t geteuid(void); } 26 AUE_PTRACE NOPROTO { int ptrace(int req, pid_t pid, \ caddr_t addr, int data); } 27 AUE_RECVMSG STD { int freebsd32_recvmsg(int s, struct msghdr32 *msg, \ int flags); } 28 AUE_SENDMSG STD { int freebsd32_sendmsg(int s, struct msghdr32 *msg, \ int flags); } 29 AUE_RECVFROM STD { int freebsd32_recvfrom(int s, void *buf, \ uint32_t len, int flags, \ struct sockaddr *from, \ uint32_t fromlenaddr); } 30 AUE_ACCEPT NOPROTO { int accept(int s, struct sockaddr *name, \ int *anamelen); } 31 AUE_GETPEERNAME NOPROTO { int getpeername(int fdes, \ struct sockaddr *asa, \ int *alen); } 32 AUE_GETSOCKNAME NOPROTO { int getsockname(int fdes, \ struct sockaddr *asa, \ int *alen); } 33 AUE_ACCESS NOPROTO { int access(const char *path, int amode); } 34 AUE_CHFLAGS NOPROTO { int chflags(const char *path, u_long flags); } 35 AUE_FCHFLAGS NOPROTO { int fchflags(int fd, u_long flags); } 36 AUE_SYNC NOPROTO { int sync(void); } 37 AUE_KILL NOPROTO { int kill(int pid, int signum); } 38 AUE_STAT COMPAT { int freebsd32_stat(const char *path, \ struct ostat32 *ub); } 39 AUE_GETPPID NOPROTO { pid_t getppid(void); } 40 AUE_LSTAT COMPAT { int freebsd32_lstat(const char *path, \ struct ostat *ub); } 41 AUE_DUP NOPROTO { int dup(u_int fd); } 42 AUE_PIPE COMPAT10 { int freebsd32_pipe(void); } 43 AUE_GETEGID NOPROTO { gid_t getegid(void); } 44 AUE_PROFILE NOPROTO { int profil(char *samples, size_t size, \ size_t offset, u_int scale); } 45 AUE_KTRACE NOPROTO { int ktrace(const char *fname, int ops, \ int facs, int pid); } 46 AUE_SIGACTION COMPAT { int freebsd32_sigaction( int signum, \ struct osigaction32 *nsa, \ struct osigaction32 *osa); } 47 AUE_GETGID NOPROTO { gid_t getgid(void); } 48 AUE_SIGPROCMASK COMPAT { int freebsd32_sigprocmask(int how, \ osigset_t mask); } 49 AUE_GETLOGIN NOPROTO { int getlogin(char *namebuf, \ u_int namelen); } 50 AUE_SETLOGIN NOPROTO { int setlogin(const char *namebuf); } 51 AUE_ACCT NOPROTO { int acct(const char *path); } 52 AUE_SIGPENDING COMPAT { int freebsd32_sigpending(void); } 53 AUE_SIGALTSTACK STD { int freebsd32_sigaltstack( \ struct sigaltstack32 *ss, \ struct sigaltstack32 *oss); } 54 AUE_IOCTL STD { int freebsd32_ioctl(int fd, uint32_t com, \ struct md_ioctl32 *data); } 55 AUE_REBOOT NOPROTO { int reboot(int opt); } 56 AUE_REVOKE NOPROTO { int revoke(const char *path); } 57 AUE_SYMLINK NOPROTO { int symlink(const char *path, \ const char *link); } 58 AUE_READLINK NOPROTO { ssize_t readlink(const char *path, char *buf, \ size_t count); } 59 AUE_EXECVE STD { int freebsd32_execve(const char *fname, \ uint32_t *argv, uint32_t *envv); } 60 AUE_UMASK NOPROTO { int umask(mode_t newmask); } 61 AUE_CHROOT NOPROTO { int chroot(const char *path); } 62 AUE_FSTAT COMPAT { int freebsd32_fstat(int fd, \ struct ostat32 *ub); } 63 AUE_NULL OBSOL ogetkerninfo 64 AUE_NULL COMPAT { int freebsd32_getpagesize( \ int32_t dummy); } 65 AUE_MSYNC NOPROTO { int msync(void *addr, size_t len, \ int flags); } 66 AUE_VFORK NOPROTO { int vfork(void); } 67 AUE_NULL OBSOL vread 68 AUE_NULL OBSOL vwrite 69 AUE_SBRK NOPROTO { int sbrk(int incr); } 70 AUE_SSTK NOPROTO { int sstk(int incr); } 71 AUE_MMAP COMPAT|NOPROTO { void *mmap(void *addr, int len, \ int prot, int flags, int fd, int pos); } 72 AUE_O_VADVISE COMPAT11|NOPROTO { int vadvise(int anom); } 73 AUE_MUNMAP NOPROTO { int munmap(void *addr, size_t len); } 74 AUE_MPROTECT STD { int freebsd32_mprotect(void *addr, \ size_t len, int prot); } 75 AUE_MADVISE NOPROTO { int madvise(void *addr, size_t len, \ int behav); } 76 AUE_NULL OBSOL vhangup 77 AUE_NULL OBSOL vlimit 78 AUE_MINCORE NOPROTO { int mincore(const void *addr, size_t len, \ char *vec); } 79 AUE_GETGROUPS NOPROTO { int getgroups(u_int gidsetsize, \ gid_t *gidset); } 80 AUE_SETGROUPS NOPROTO { int setgroups(u_int gidsetsize, \ gid_t *gidset); } 81 AUE_GETPGRP NOPROTO { int getpgrp(void); } 82 AUE_SETPGRP NOPROTO { int setpgid(int pid, int pgid); } 83 AUE_SETITIMER STD { int freebsd32_setitimer(u_int which, \ struct itimerval32 *itv, \ struct itimerval32 *oitv); } 84 AUE_NULL OBSOL owait ; XXX implement 85 AUE_SWAPON NOPROTO { int swapon(const char *name); } 86 AUE_GETITIMER STD { int freebsd32_getitimer(u_int which, \ struct itimerval32 *itv); } 87 AUE_O_GETHOSTNAME OBSOL ogethostname 88 AUE_O_SETHOSTNAME OBSOL osethostname 89 AUE_GETDTABLESIZE NOPROTO { int getdtablesize(void); } 90 AUE_DUP2 NOPROTO { int dup2(u_int from, u_int to); } 91 AUE_NULL UNIMPL getdopt 92 AUE_FCNTL STD { int freebsd32_fcntl(int fd, int cmd, \ int arg); } 93 AUE_SELECT STD { int freebsd32_select(int nd, fd_set *in, \ fd_set *ou, fd_set *ex, \ struct timeval32 *tv); } 94 AUE_NULL UNIMPL setdopt 95 AUE_FSYNC NOPROTO { int fsync(int fd); } 96 AUE_SETPRIORITY NOPROTO { int setpriority(int which, int who, \ int prio); } 97 AUE_SOCKET NOPROTO { int socket(int domain, int type, \ int protocol); } 98 AUE_CONNECT NOPROTO { int connect(int s, \ const struct sockaddr *name, \ int namelen); } 99 AUE_NULL OBSOL oaccept 100 AUE_GETPRIORITY NOPROTO { int getpriority(int which, int who); } 101 AUE_NULL OBSOL osend 102 AUE_NULL OBSOL orecv 103 AUE_SIGRETURN COMPAT { int freebsd32_sigreturn( \ struct ia32_sigcontext3 *sigcntxp); } 104 AUE_BIND NOPROTO { int bind(int s, const struct sockaddr *name, \ int namelen); } 105 AUE_SETSOCKOPT NOPROTO { int setsockopt(int s, int level, \ int name, const void *val, int valsize); } 106 AUE_LISTEN NOPROTO { int listen(int s, int backlog); } 107 AUE_NULL OBSOL vtimes 108 AUE_O_SIGVEC COMPAT { int freebsd32_sigvec(int signum, \ struct sigvec32 *nsv, \ struct sigvec32 *osv); } 109 AUE_O_SIGBLOCK COMPAT { int freebsd32_sigblock(int mask); } 110 AUE_O_SIGSETMASK COMPAT { int freebsd32_sigsetmask( int mask); } 111 AUE_SIGSUSPEND COMPAT { int freebsd32_sigsuspend( int mask); } 112 AUE_O_SIGSTACK COMPAT { int freebsd32_sigstack( \ struct sigstack32 *nss, \ struct sigstack32 *oss); } 113 AUE_NULL OBSOL orecvmsg 114 AUE_NULL OBSOL osendmsg 115 AUE_NULL OBSOL vtrace 116 AUE_GETTIMEOFDAY STD { int freebsd32_gettimeofday( \ struct timeval32 *tp, \ struct timezone *tzp); } 117 AUE_GETRUSAGE STD { int freebsd32_getrusage(int who, \ struct rusage32 *rusage); } 118 AUE_GETSOCKOPT NOPROTO { int getsockopt(int s, int level, \ int name, void *val, int *avalsize); } 119 AUE_NULL UNIMPL resuba (BSD/OS 2.x) 120 AUE_READV STD { int freebsd32_readv(int fd, \ struct iovec32 *iovp, u_int iovcnt); } 121 AUE_WRITEV STD { int freebsd32_writev(int fd, \ struct iovec32 *iovp, u_int iovcnt); } 122 AUE_SETTIMEOFDAY STD { int freebsd32_settimeofday( \ struct timeval32 *tv, \ struct timezone *tzp); } 123 AUE_FCHOWN NOPROTO { int fchown(int fd, int uid, int gid); } 124 AUE_FCHMOD NOPROTO { int fchmod(int fd, mode_t mode); } 125 AUE_RECVFROM OBSOL orecvfrom 126 AUE_SETREUID NOPROTO { int setreuid(int ruid, int euid); } 127 AUE_SETREGID NOPROTO { int setregid(int rgid, int egid); } 128 AUE_RENAME NOPROTO { int rename(const char *from, \ const char *to); } 129 AUE_TRUNCATE COMPAT|NOPROTO { int truncate(const char *path, \ int length); } 130 AUE_FTRUNCATE COMPAT|NOPROTO { int ftruncate(int fd, int length); } 131 AUE_FLOCK NOPROTO { int flock(int fd, int how); } 132 AUE_MKFIFO NOPROTO { int mkfifo(const char *path, mode_t mode); } 133 AUE_SENDTO NOPROTO { int sendto(int s, const void *buf, \ size_t len, int flags, \ const struct sockaddr *to, \ int tolen); } 134 AUE_SHUTDOWN NOPROTO { int shutdown(int s, int how); } 135 AUE_SOCKETPAIR NOPROTO { int socketpair(int domain, int type, \ int protocol, int *rsv); } 136 AUE_MKDIR NOPROTO { int mkdir(const char *path, mode_t mode); } 137 AUE_RMDIR NOPROTO { int rmdir(const char *path); } 138 AUE_UTIMES STD { int freebsd32_utimes(const char *path, \ struct timeval32 *tptr); } 139 AUE_NULL OBSOL 4.2 sigreturn 140 AUE_ADJTIME STD { int freebsd32_adjtime( \ struct timeval32 *delta, \ struct timeval32 *olddelta); } 141 AUE_GETPEERNAME OBSOL ogetpeername 142 AUE_SYSCTL OBSOL ogethostid 143 AUE_SYSCTL OBSOL sethostid 144 AUE_GETRLIMIT OBSOL getrlimit 145 AUE_SETRLIMIT OBSOL setrlimit 146 AUE_KILLPG OBSOL killpg 147 AUE_SETSID NOPROTO { int setsid(void); } 148 AUE_QUOTACTL NOPROTO { int quotactl(const char *path, int cmd, \ int uid, void *arg); } 149 AUE_O_QUOTA OBSOL oquota 150 AUE_GETSOCKNAME OBSOL ogetsockname ; Syscalls 151-180 inclusive are reserved for vendor-specific ; system calls. (This includes various calls added for compatibity ; with other Unix variants.) ; Some of these calls are now supported by BSD... 151 AUE_NULL UNIMPL sem_lock (BSD/OS 2.x) 152 AUE_NULL UNIMPL sem_wakeup (BSD/OS 2.x) 153 AUE_NULL UNIMPL asyncdaemon (BSD/OS 2.x) ; 154 is initialised by the NLM code, if present. 154 AUE_NULL UNIMPL nlm_syscall ; 155 is initialized by the NFS code, if present. ; XXX this is a problem!!! 155 AUE_NFS_SVC UNIMPL nfssvc 156 AUE_GETDIRENTRIES COMPAT { int freebsd32_getdirentries(int fd, \ char *buf, u_int count, uint32_t *basep); } 157 AUE_STATFS COMPAT4 { int freebsd32_statfs(const char *path, \ struct statfs32 *buf); } 158 AUE_FSTATFS COMPAT4 { int freebsd32_fstatfs(int fd, \ struct statfs32 *buf); } 159 AUE_NULL UNIMPL nosys 160 AUE_LGETFH UNIMPL lgetfh 161 AUE_NFS_GETFH NOPROTO { int getfh(const char *fname, \ struct fhandle *fhp); } 162 AUE_SYSCTL OBSOL getdomainname 163 AUE_SYSCTL OBSOL setdomainname 164 AUE_NULL OBSOL uname 165 AUE_SYSARCH STD { int freebsd32_sysarch(int op, char *parms); } 166 AUE_RTPRIO NOPROTO { int rtprio(int function, pid_t pid, \ struct rtprio *rtp); } 167 AUE_NULL UNIMPL nosys 168 AUE_NULL UNIMPL nosys 169 AUE_SEMSYS NOSTD { int freebsd32_semsys(int which, int a2, \ int a3, int a4, int a5); } 170 AUE_MSGSYS NOSTD { int freebsd32_msgsys(int which, int a2, \ int a3, int a4, int a5, int a6); } 171 AUE_SHMSYS NOSTD { int freebsd32_shmsys(uint32_t which, uint32_t a2, \ uint32_t a3, uint32_t a4); } 172 AUE_NULL UNIMPL nosys 173 AUE_PREAD COMPAT6 { ssize_t freebsd32_pread(int fd, void *buf, \ size_t nbyte, int pad, \ uint32_t offset1, uint32_t offset2); } 174 AUE_PWRITE COMPAT6 { ssize_t freebsd32_pwrite(int fd, \ const void *buf, size_t nbyte, int pad, \ uint32_t offset1, uint32_t offset2); } 175 AUE_NULL UNIMPL nosys 176 AUE_NTP_ADJTIME NOPROTO { int ntp_adjtime(struct timex *tp); } 177 AUE_NULL UNIMPL sfork (BSD/OS 2.x) 178 AUE_NULL UNIMPL getdescriptor (BSD/OS 2.x) 179 AUE_NULL UNIMPL setdescriptor (BSD/OS 2.x) 180 AUE_NULL UNIMPL nosys ; Syscalls 181-199 are used by/reserved for BSD 181 AUE_SETGID NOPROTO { int setgid(gid_t gid); } 182 AUE_SETEGID NOPROTO { int setegid(gid_t egid); } 183 AUE_SETEUID NOPROTO { int seteuid(uid_t euid); } 184 AUE_NULL OBSOL lfs_bmapv 185 AUE_NULL OBSOL lfs_markv 186 AUE_NULL OBSOL lfs_segclean 187 AUE_NULL OBSOL lfs_segwait 188 AUE_STAT COMPAT11 { int freebsd32_stat(const char *path, \ struct freebsd11_stat32 *ub); } 189 AUE_FSTAT COMPAT11 { int freebsd32_fstat(int fd, \ struct freebsd11_stat32 *ub); } 190 AUE_LSTAT COMPAT11 { int freebsd32_lstat(const char *path, \ struct freebsd11_stat32 *ub); } 191 AUE_PATHCONF NOPROTO { int pathconf(const char *path, int name); } 192 AUE_FPATHCONF NOPROTO { int fpathconf(int fd, int name); } 193 AUE_NULL UNIMPL nosys 194 AUE_GETRLIMIT NOPROTO { int getrlimit(u_int which, \ struct rlimit *rlp); } getrlimit \ __getrlimit_args int 195 AUE_SETRLIMIT NOPROTO { int setrlimit(u_int which, \ struct rlimit *rlp); } setrlimit \ __setrlimit_args int 196 AUE_GETDIRENTRIES COMPAT11 { int freebsd32_getdirentries(int fd, \ char *buf, u_int count, int32_t *basep); } 197 AUE_MMAP COMPAT6 { void *freebsd32_mmap(void *addr, \ size_t len, int prot, int flags, int fd, \ int pad, uint32_t pos1, uint32_t pos2); } 198 AUE_NULL NOPROTO { int nosys(void); } __syscall \ __syscall_args int 199 AUE_LSEEK COMPAT6 { off_t freebsd32_lseek(int fd, int pad, \ uint32_t offset1, uint32_t offset2, \ int whence); } 200 AUE_TRUNCATE COMPAT6 { int freebsd32_truncate(const char *path, \ int pad, uint32_t length1, \ uint32_t length2); } 201 AUE_FTRUNCATE COMPAT6 { int freebsd32_ftruncate(int fd, int pad, \ uint32_t length1, uint32_t length2); } 202 AUE_SYSCTL STD { int freebsd32___sysctl(int *name, \ u_int namelen, void *old, \ uint32_t *oldlenp, const void *new, \ uint32_t newlen); } 203 AUE_MLOCK NOPROTO { int mlock(const void *addr, \ size_t len); } 204 AUE_MUNLOCK NOPROTO { int munlock(const void *addr, \ size_t len); } 205 AUE_UNDELETE NOPROTO { int undelete(const char *path); } 206 AUE_FUTIMES STD { int freebsd32_futimes(int fd, \ struct timeval32 *tptr); } 207 AUE_GETPGID NOPROTO { int getpgid(pid_t pid); } 208 AUE_NULL UNIMPL nosys 209 AUE_POLL NOPROTO { int poll(struct pollfd *fds, u_int nfds, \ int timeout); } ; ; The following are reserved for loadable syscalls ; 210 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 211 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 212 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 213 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 214 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 215 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 216 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 217 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 218 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 219 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 220 AUE_SEMCTL COMPAT7|NOSTD { int freebsd32_semctl( \ int semid, int semnum, \ int cmd, union semun32 *arg); } 221 AUE_SEMGET NOSTD|NOPROTO { int semget(key_t key, int nsems, \ int semflg); } 222 AUE_SEMOP NOSTD|NOPROTO { int semop(int semid, \ struct sembuf *sops, u_int nsops); } 223 AUE_NULL OBSOL semconfig 224 AUE_MSGCTL COMPAT7|NOSTD { int freebsd32_msgctl( \ int msqid, int cmd, \ struct msqid_ds32_old *buf); } 225 AUE_MSGGET NOSTD|NOPROTO { int msgget(key_t key, int msgflg); } 226 AUE_MSGSND NOSTD { int freebsd32_msgsnd(int msqid, void *msgp, \ size_t msgsz, int msgflg); } 227 AUE_MSGRCV NOSTD { int freebsd32_msgrcv(int msqid, void *msgp, \ size_t msgsz, long msgtyp, int msgflg); } 228 AUE_SHMAT NOSTD|NOPROTO { void *shmat(int shmid, void *shmaddr, \ int shmflg); } 229 AUE_SHMCTL COMPAT7|NOSTD { int freebsd32_shmctl( \ int shmid, int cmd, \ struct shmid_ds32_old *buf); } 230 AUE_SHMDT NOSTD|NOPROTO { int shmdt(void *shmaddr); } 231 AUE_SHMGET NOSTD|NOPROTO { int shmget(key_t key, int size, \ int shmflg); } ; 232 AUE_NULL STD { int freebsd32_clock_gettime(clockid_t clock_id, \ struct timespec32 *tp); } 233 AUE_CLOCK_SETTIME STD { int freebsd32_clock_settime(clockid_t clock_id, \ const struct timespec32 *tp); } 234 AUE_NULL STD { int freebsd32_clock_getres(clockid_t clock_id, \ struct timespec32 *tp); } 235 AUE_NULL STD { int freebsd32_ktimer_create(\ clockid_t clock_id, \ struct sigevent32 *evp, int *timerid); } 236 AUE_NULL NOPROTO { int ktimer_delete(int timerid); } 237 AUE_NULL STD { int freebsd32_ktimer_settime(int timerid,\ int flags, \ const struct itimerspec32 *value, \ struct itimerspec32 *ovalue); } 238 AUE_NULL STD { int freebsd32_ktimer_gettime(int timerid,\ struct itimerspec32 *value); } 239 AUE_NULL NOPROTO { int ktimer_getoverrun(int timerid); } 240 AUE_NULL STD { int freebsd32_nanosleep( \ const struct timespec32 *rqtp, \ struct timespec32 *rmtp); } 241 AUE_NULL NOPROTO { int ffclock_getcounter(ffcounter *ffcount); } 242 AUE_NULL NOPROTO { int ffclock_setestimate( \ struct ffclock_estimate *cest); } 243 AUE_NULL NOPROTO { int ffclock_getestimate( \ struct ffclock_estimate *cest); } 244 AUE_NULL STD { int freebsd32_clock_nanosleep( \ clockid_t clock_id, int flags, \ const struct timespec32 *rqtp, \ struct timespec32 *rmtp); } 245 AUE_NULL UNIMPL nosys 246 AUE_NULL UNIMPL nosys 247 AUE_NULL STD { int freebsd32_clock_getcpuclockid2(\ uint32_t id1, uint32_t id2,\ int which, clockid_t *clock_id); } 248 AUE_NULL UNIMPL ntp_gettime 249 AUE_NULL UNIMPL nosys 250 AUE_MINHERIT NOPROTO { int minherit(void *addr, size_t len, \ int inherit); } 251 AUE_RFORK NOPROTO { int rfork(int flags); } 252 AUE_POLL OBSOL openbsd_poll 253 AUE_ISSETUGID NOPROTO { int issetugid(void); } 254 AUE_LCHOWN NOPROTO { int lchown(const char *path, int uid, \ int gid); } 255 AUE_AIO_READ STD { int freebsd32_aio_read( \ struct aiocb32 *aiocbp); } 256 AUE_AIO_WRITE STD { int freebsd32_aio_write( \ struct aiocb32 *aiocbp); } 257 AUE_LIO_LISTIO STD { int freebsd32_lio_listio(int mode, \ struct aiocb32 * const *acb_list, \ int nent, struct sigevent32 *sig); } 258 AUE_NULL UNIMPL nosys 259 AUE_NULL UNIMPL nosys 260 AUE_NULL UNIMPL nosys 261 AUE_NULL UNIMPL nosys 262 AUE_NULL UNIMPL nosys 263 AUE_NULL UNIMPL nosys 264 AUE_NULL UNIMPL nosys 265 AUE_NULL UNIMPL nosys 266 AUE_NULL UNIMPL nosys 267 AUE_NULL UNIMPL nosys 268 AUE_NULL UNIMPL nosys 269 AUE_NULL UNIMPL nosys 270 AUE_NULL UNIMPL nosys 271 AUE_NULL UNIMPL nosys 272 AUE_O_GETDENTS COMPAT11 { int freebsd32_getdents(int fd, char *buf, \ int count); } 273 AUE_NULL UNIMPL nosys 274 AUE_LCHMOD NOPROTO { int lchmod(const char *path, mode_t mode); } 275 AUE_NULL OBSOL netbsd_lchown 276 AUE_LUTIMES STD { int freebsd32_lutimes(const char *path, \ struct timeval32 *tptr); } 277 AUE_NULL OBSOL netbsd_msync 278 AUE_STAT COMPAT11|NOPROTO { int nstat(const char *path, \ struct nstat *ub); } 279 AUE_FSTAT COMPAT11|NOPROTO { int nfstat(int fd, struct nstat *sb); } 280 AUE_LSTAT COMPAT11|NOPROTO { int nlstat(const char *path, \ struct nstat *ub); } 281 AUE_NULL UNIMPL nosys 282 AUE_NULL UNIMPL nosys 283 AUE_NULL UNIMPL nosys 284 AUE_NULL UNIMPL nosys 285 AUE_NULL UNIMPL nosys 286 AUE_NULL UNIMPL nosys 287 AUE_NULL UNIMPL nosys 288 AUE_NULL UNIMPL nosys 289 AUE_PREADV STD { ssize_t freebsd32_preadv(int fd, \ struct iovec32 *iovp, \ u_int iovcnt, \ uint32_t offset1, uint32_t offset2); } 290 AUE_PWRITEV STD { ssize_t freebsd32_pwritev(int fd, \ struct iovec32 *iovp, \ u_int iovcnt, \ uint32_t offset1, uint32_t offset2); } 291 AUE_NULL UNIMPL nosys 292 AUE_NULL UNIMPL nosys 293 AUE_NULL UNIMPL nosys 294 AUE_NULL UNIMPL nosys 295 AUE_NULL UNIMPL nosys 296 AUE_NULL UNIMPL nosys 297 AUE_FHSTATFS COMPAT4 { int freebsd32_fhstatfs( \ const struct fhandle *u_fhp, \ struct statfs32 *buf); } 298 AUE_FHOPEN NOPROTO { int fhopen(const struct fhandle *u_fhp, \ int flags); } 299 AUE_FHSTAT COMPAT11 { int freebsd32_fhstat( \ const struct fhandle *u_fhp, \ struct freebsd11_stat32 *sb); } ; syscall numbers for FreeBSD 300 AUE_NULL NOPROTO { int modnext(int modid); } 301 AUE_NULL STD { int freebsd32_modstat(int modid, \ struct module_stat32 *stat); } 302 AUE_NULL NOPROTO { int modfnext(int modid); } 303 AUE_NULL NOPROTO { int modfind(const char *name); } 304 AUE_MODLOAD NOPROTO { int kldload(const char *file); } 305 AUE_MODUNLOAD NOPROTO { int kldunload(int fileid); } 306 AUE_NULL NOPROTO { int kldfind(const char *file); } 307 AUE_NULL NOPROTO { int kldnext(int fileid); } 308 AUE_NULL STD { int freebsd32_kldstat(int fileid, \ struct kld32_file_stat *stat); } 309 AUE_NULL NOPROTO { int kldfirstmod(int fileid); } 310 AUE_GETSID NOPROTO { int getsid(pid_t pid); } 311 AUE_SETRESUID NOPROTO { int setresuid(uid_t ruid, uid_t euid, \ uid_t suid); } 312 AUE_SETRESGID NOPROTO { int setresgid(gid_t rgid, gid_t egid, \ gid_t sgid); } 313 AUE_NULL OBSOL signanosleep 314 AUE_AIO_RETURN STD { int freebsd32_aio_return( \ struct aiocb32 *aiocbp); } 315 AUE_AIO_SUSPEND STD { int freebsd32_aio_suspend( \ struct aiocb32 * const * aiocbp, int nent, \ const struct timespec32 *timeout); } 316 AUE_AIO_CANCEL NOPROTO { int aio_cancel(int fd, \ struct aiocb *aiocbp); } 317 AUE_AIO_ERROR STD { int freebsd32_aio_error( \ struct aiocb32 *aiocbp); } 318 AUE_AIO_READ COMPAT6 { int freebsd32_aio_read( \ struct oaiocb32 *aiocbp); } 319 AUE_AIO_WRITE COMPAT6 { int freebsd32_aio_write( \ struct oaiocb32 *aiocbp); } 320 AUE_LIO_LISTIO COMPAT6 { int freebsd32_lio_listio(int mode, \ struct oaiocb32 * const *acb_list, \ int nent, struct osigevent32 *sig); } 321 AUE_NULL NOPROTO { int yield(void); } 322 AUE_NULL OBSOL thr_sleep 323 AUE_NULL OBSOL thr_wakeup 324 AUE_MLOCKALL NOPROTO { int mlockall(int how); } 325 AUE_MUNLOCKALL NOPROTO { int munlockall(void); } 326 AUE_GETCWD NOPROTO { int __getcwd(char *buf, size_t buflen); } 327 AUE_NULL NOPROTO { int sched_setparam (pid_t pid, \ const struct sched_param *param); } 328 AUE_NULL NOPROTO { int sched_getparam (pid_t pid, \ struct sched_param *param); } 329 AUE_NULL NOPROTO { int sched_setscheduler (pid_t pid, \ int policy, \ const struct sched_param *param); } 330 AUE_NULL NOPROTO { int sched_getscheduler (pid_t pid); } 331 AUE_NULL NOPROTO { int sched_yield (void); } 332 AUE_NULL NOPROTO { int sched_get_priority_max (int policy); } 333 AUE_NULL NOPROTO { int sched_get_priority_min (int policy); } 334 AUE_NULL STD { int freebsd32_sched_rr_get_interval ( \ pid_t pid, \ struct timespec32 *interval); } 335 AUE_NULL NOPROTO { int utrace(const void *addr, size_t len); } 336 AUE_SENDFILE COMPAT4 { int freebsd32_sendfile(int fd, int s, \ uint32_t offset1, uint32_t offset2, \ size_t nbytes, struct sf_hdtr32 *hdtr, \ off_t *sbytes, int flags); } 337 AUE_NULL NOPROTO { int kldsym(int fileid, int cmd, \ void *data); } 338 AUE_JAIL STD { int freebsd32_jail(struct jail32 *jail); } 339 AUE_NULL UNIMPL pioctl 340 AUE_SIGPROCMASK NOPROTO { int sigprocmask(int how, \ const sigset_t *set, sigset_t *oset); } 341 AUE_SIGSUSPEND NOPROTO { int sigsuspend(const sigset_t *sigmask); } 342 AUE_SIGACTION COMPAT4 { int freebsd32_sigaction(int sig, \ struct sigaction32 *act, \ struct sigaction32 *oact); } 343 AUE_SIGPENDING NOPROTO { int sigpending(sigset_t *set); } 344 AUE_SIGRETURN COMPAT4 { int freebsd32_sigreturn( \ const struct freebsd4_freebsd32_ucontext *sigcntxp); } 345 AUE_SIGWAIT STD { int freebsd32_sigtimedwait(const sigset_t *set, \ siginfo_t *info, \ const struct timespec *timeout); } 346 AUE_NULL STD { int freebsd32_sigwaitinfo(const sigset_t *set, \ siginfo_t *info); } 347 AUE_ACL_GET_FILE NOPROTO { int __acl_get_file(const char *path, \ acl_type_t type, struct acl *aclp); } 348 AUE_ACL_SET_FILE NOPROTO { int __acl_set_file(const char *path, \ acl_type_t type, struct acl *aclp); } 349 AUE_ACL_GET_FD NOPROTO { int __acl_get_fd(int filedes, \ acl_type_t type, struct acl *aclp); } 350 AUE_ACL_SET_FD NOPROTO { int __acl_set_fd(int filedes, \ acl_type_t type, struct acl *aclp); } 351 AUE_ACL_DELETE_FILE NOPROTO { int __acl_delete_file(const char *path, \ acl_type_t type); } 352 AUE_ACL_DELETE_FD NOPROTO { int __acl_delete_fd(int filedes, \ acl_type_t type); } 353 AUE_ACL_CHECK_FILE NOPROTO { int __acl_aclcheck_file(const char *path, \ acl_type_t type, struct acl *aclp); } 354 AUE_ACL_CHECK_FD NOPROTO { int __acl_aclcheck_fd(int filedes, \ acl_type_t type, struct acl *aclp); } 355 AUE_EXTATTRCTL NOPROTO { int extattrctl(const char *path, int cmd, \ const char *filename, int attrnamespace, \ const char *attrname); } 356 AUE_EXTATTR_SET_FILE NOPROTO { ssize_t extattr_set_file( \ const char *path, int attrnamespace, \ const char *attrname, void *data, \ size_t nbytes); } 357 AUE_EXTATTR_GET_FILE NOPROTO { ssize_t extattr_get_file( \ const char *path, int attrnamespace, \ const char *attrname, void *data, \ size_t nbytes); } 358 AUE_EXTATTR_DELETE_FILE NOPROTO { int extattr_delete_file( \ const char *path, int attrnamespace, \ const char *attrname); } 359 AUE_AIO_WAITCOMPLETE STD { int freebsd32_aio_waitcomplete( \ struct aiocb32 **aiocbp, \ struct timespec32 *timeout); } 360 AUE_GETRESUID NOPROTO { int getresuid(uid_t *ruid, uid_t *euid, \ uid_t *suid); } 361 AUE_GETRESGID NOPROTO { int getresgid(gid_t *rgid, gid_t *egid, \ gid_t *sgid); } 362 AUE_KQUEUE NOPROTO { int kqueue(void); } 363 AUE_KEVENT COMPAT11 { int freebsd32_kevent(int fd, \ const struct kevent32_freebsd11 * \ changelist, \ int nchanges, \ struct kevent32_freebsd11 *eventlist, \ int nevents, \ const struct timespec32 *timeout); } 364 AUE_NULL OBSOL __cap_get_proc 365 AUE_NULL OBSOL __cap_set_proc 366 AUE_NULL OBSOL __cap_get_fd 367 AUE_NULL OBSOL __cap_get_file 368 AUE_NULL OBSOL __cap_set_fd 369 AUE_NULL OBSOL __cap_set_file 370 AUE_NULL UNIMPL nosys 371 AUE_EXTATTR_SET_FD NOPROTO { ssize_t extattr_set_fd(int fd, \ int attrnamespace, const char *attrname, \ void *data, size_t nbytes); } 372 AUE_EXTATTR_GET_FD NOPROTO { ssize_t extattr_get_fd(int fd, \ int attrnamespace, const char *attrname, \ void *data, size_t nbytes); } 373 AUE_EXTATTR_DELETE_FD NOPROTO { int extattr_delete_fd(int fd, \ int attrnamespace, \ const char *attrname); } 374 AUE_SETUGID NOPROTO { int __setugid(int flag); } 375 AUE_NULL OBSOL nfsclnt 376 AUE_EACCESS NOPROTO { int eaccess(const char *path, int amode); } 377 AUE_NULL UNIMPL afs_syscall 378 AUE_NMOUNT STD { int freebsd32_nmount(struct iovec32 *iovp, \ unsigned int iovcnt, int flags); } 379 AUE_NULL OBSOL kse_exit 380 AUE_NULL OBSOL kse_wakeup 381 AUE_NULL OBSOL kse_create 382 AUE_NULL OBSOL kse_thr_interrupt 383 AUE_NULL OBSOL kse_release 384 AUE_NULL UNIMPL __mac_get_proc 385 AUE_NULL UNIMPL __mac_set_proc 386 AUE_NULL UNIMPL __mac_get_fd 387 AUE_NULL UNIMPL __mac_get_file 388 AUE_NULL UNIMPL __mac_set_fd 389 AUE_NULL UNIMPL __mac_set_file 390 AUE_NULL NOPROTO { int kenv(int what, const char *name, \ char *value, int len); } 391 AUE_LCHFLAGS NOPROTO { int lchflags(const char *path, \ u_long flags); } 392 AUE_NULL NOPROTO { int uuidgen(struct uuid *store, \ int count); } 393 AUE_SENDFILE STD { int freebsd32_sendfile(int fd, int s, \ uint32_t offset1, uint32_t offset2, \ size_t nbytes, struct sf_hdtr32 *hdtr, \ off_t *sbytes, int flags); } 394 AUE_NULL UNIMPL mac_syscall 395 AUE_GETFSSTAT COMPAT11|NOPROTO { int getfsstat( \ struct freebsd11_statfs *buf, \ long bufsize, int mode); } 396 AUE_STATFS COMPAT11|NOPROTO { int statfs(const char *path, \ struct statfs *buf); } 397 AUE_FSTATFS COMPAT11|NOPROTO { int fstatfs(int fd, \ struct freebsd11_statfs *buf); } 398 AUE_FHSTATFS COMPAT11|NOPROTO { int fhstatfs( \ const struct fhandle *u_fhp, \ struct freebsd11_statfs *buf); } 399 AUE_NULL UNIMPL nosys 400 AUE_SEMCLOSE NOSTD|NOPROTO { int ksem_close(semid_t id); } 401 AUE_SEMPOST NOSTD|NOPROTO { int ksem_post(semid_t id); } 402 AUE_SEMWAIT NOSTD|NOPROTO { int ksem_wait(semid_t id); } 403 AUE_SEMTRYWAIT NOSTD|NOPROTO { int ksem_trywait(semid_t id); } 404 AUE_SEMINIT NOSTD { int freebsd32_ksem_init(semid_t *idp, \ unsigned int value); } 405 AUE_SEMOPEN NOSTD { int freebsd32_ksem_open(semid_t *idp, \ const char *name, int oflag, \ mode_t mode, unsigned int value); } 406 AUE_SEMUNLINK NOSTD|NOPROTO { int ksem_unlink(const char *name); } 407 AUE_SEMGETVALUE NOSTD|NOPROTO { int ksem_getvalue(semid_t id, \ int *val); } 408 AUE_SEMDESTROY NOSTD|NOPROTO { int ksem_destroy(semid_t id); } 409 AUE_NULL UNIMPL __mac_get_pid 410 AUE_NULL UNIMPL __mac_get_link 411 AUE_NULL UNIMPL __mac_set_link 412 AUE_EXTATTR_SET_LINK NOPROTO { ssize_t extattr_set_link( \ const char *path, int attrnamespace, \ const char *attrname, void *data, \ size_t nbytes); } 413 AUE_EXTATTR_GET_LINK NOPROTO { ssize_t extattr_get_link( \ const char *path, int attrnamespace, \ const char *attrname, void *data, \ size_t nbytes); } 414 AUE_EXTATTR_DELETE_LINK NOPROTO { int extattr_delete_link( \ const char *path, int attrnamespace, \ const char *attrname); } 415 AUE_NULL UNIMPL __mac_execve 416 AUE_SIGACTION STD { int freebsd32_sigaction(int sig, \ struct sigaction32 *act, \ struct sigaction32 *oact); } 417 AUE_SIGRETURN STD { int freebsd32_sigreturn( \ const struct freebsd32_ucontext *sigcntxp); } 418 AUE_NULL UNIMPL __xstat 419 AUE_NULL UNIMPL __xfstat 420 AUE_NULL UNIMPL __xlstat 421 AUE_NULL STD { int freebsd32_getcontext( \ struct freebsd32_ucontext *ucp); } 422 AUE_NULL STD { int freebsd32_setcontext( \ const struct freebsd32_ucontext *ucp); } 423 AUE_NULL STD { int freebsd32_swapcontext( \ struct freebsd32_ucontext *oucp, \ const struct freebsd32_ucontext *ucp); } 424 AUE_SWAPOFF UNIMPL swapoff 425 AUE_ACL_GET_LINK NOPROTO { int __acl_get_link(const char *path, \ acl_type_t type, struct acl *aclp); } 426 AUE_ACL_SET_LINK NOPROTO { int __acl_set_link(const char *path, \ acl_type_t type, struct acl *aclp); } 427 AUE_ACL_DELETE_LINK NOPROTO { int __acl_delete_link(const char *path, \ acl_type_t type); } 428 AUE_ACL_CHECK_LINK NOPROTO { int __acl_aclcheck_link(const char *path, \ acl_type_t type, struct acl *aclp); } 429 AUE_SIGWAIT NOPROTO { int sigwait(const sigset_t *set, \ int *sig); } 430 AUE_THR_CREATE UNIMPL thr_create; 431 AUE_THR_EXIT NOPROTO { void thr_exit(long *state); } 432 AUE_NULL NOPROTO { int thr_self(long *id); } 433 AUE_THR_KILL NOPROTO { int thr_kill(long id, int sig); } 434 AUE_NULL UNIMPL nosys 435 AUE_NULL UNIMPL nosys 436 AUE_JAIL_ATTACH NOPROTO { int jail_attach(int jid); } 437 AUE_EXTATTR_LIST_FD NOPROTO { ssize_t extattr_list_fd(int fd, \ int attrnamespace, void *data, \ size_t nbytes); } 438 AUE_EXTATTR_LIST_FILE NOPROTO { ssize_t extattr_list_file( \ const char *path, int attrnamespace, \ void *data, size_t nbytes); } 439 AUE_EXTATTR_LIST_LINK NOPROTO { ssize_t extattr_list_link( \ const char *path, int attrnamespace, \ void *data, size_t nbytes); } 440 AUE_NULL OBSOL kse_switchin 441 AUE_SEMWAIT NOSTD { int freebsd32_ksem_timedwait(semid_t id, \ const struct timespec32 *abstime); } 442 AUE_NULL STD { int freebsd32_thr_suspend( \ const struct timespec32 *timeout); } 443 AUE_NULL NOPROTO { int thr_wake(long id); } 444 AUE_MODUNLOAD NOPROTO { int kldunloadf(int fileid, int flags); } 445 AUE_AUDIT NOPROTO { int audit(const void *record, \ u_int length); } 446 AUE_AUDITON NOPROTO { int auditon(int cmd, void *data, \ u_int length); } 447 AUE_GETAUID NOPROTO { int getauid(uid_t *auid); } 448 AUE_SETAUID NOPROTO { int setauid(uid_t *auid); } 449 AUE_GETAUDIT NOPROTO { int getaudit(struct auditinfo *auditinfo); } 450 AUE_SETAUDIT NOPROTO { int setaudit(struct auditinfo *auditinfo); } 451 AUE_GETAUDIT_ADDR NOPROTO { int getaudit_addr( \ struct auditinfo_addr *auditinfo_addr, \ u_int length); } 452 AUE_SETAUDIT_ADDR NOPROTO { int setaudit_addr( \ struct auditinfo_addr *auditinfo_addr, \ u_int length); } 453 AUE_AUDITCTL NOPROTO { int auditctl(const char *path); } 454 AUE_NULL STD { int freebsd32__umtx_op(void *obj, int op,\ u_long val, void *uaddr, \ void *uaddr2); } 455 AUE_THR_NEW STD { int freebsd32_thr_new( \ struct thr_param32 *param, \ int param_size); } 456 AUE_NULL STD { int freebsd32_sigqueue(pid_t pid, \ int signum, int value); } 457 AUE_MQ_OPEN NOSTD { int freebsd32_kmq_open( \ const char *path, int flags, mode_t mode, \ const struct mq_attr32 *attr); } 458 AUE_MQ_SETATTR NOSTD { int freebsd32_kmq_setattr(int mqd, \ const struct mq_attr32 *attr, \ struct mq_attr32 *oattr); } 459 AUE_MQ_TIMEDRECEIVE NOSTD { int freebsd32_kmq_timedreceive(int mqd, \ char *msg_ptr, size_t msg_len, \ unsigned *msg_prio, \ const struct timespec32 *abs_timeout); } 460 AUE_MQ_TIMEDSEND NOSTD { int freebsd32_kmq_timedsend(int mqd, \ const char *msg_ptr, size_t msg_len,\ unsigned msg_prio, \ const struct timespec32 *abs_timeout);} 461 AUE_MQ_NOTIFY NOSTD { int freebsd32_kmq_notify(int mqd, \ const struct sigevent32 *sigev); } 462 AUE_MQ_UNLINK NOPROTO|NOSTD { int kmq_unlink(const char *path); } 463 AUE_NULL NOPROTO { int abort2(const char *why, int nargs, void **args); } 464 AUE_NULL NOPROTO { int thr_set_name(long id, const char *name); } 465 AUE_AIO_FSYNC STD { int freebsd32_aio_fsync(int op, \ struct aiocb32 *aiocbp); } 466 AUE_RTPRIO NOPROTO { int rtprio_thread(int function, \ lwpid_t lwpid, struct rtprio *rtp); } 467 AUE_NULL UNIMPL nosys 468 AUE_NULL UNIMPL nosys 469 AUE_NULL UNIMPL __getpath_fromfd 470 AUE_NULL UNIMPL __getpath_fromaddr 471 AUE_SCTP_PEELOFF NOPROTO|NOSTD { int sctp_peeloff(int sd, uint32_t name); } 472 AUE_SCTP_GENERIC_SENDMSG NOPROTO|NOSTD { int sctp_generic_sendmsg( \ int sd, void *msg, int mlen, \ struct sockaddr *to, __socklen_t tolen, \ struct sctp_sndrcvinfo *sinfo, int flags); } 473 AUE_SCTP_GENERIC_SENDMSG_IOV NOPROTO|NOSTD { int sctp_generic_sendmsg_iov(int sd, struct iovec *iov, int iovlen, \ struct sockaddr *to, __socklen_t tolen, \ struct sctp_sndrcvinfo *sinfo, int flags); } 474 AUE_SCTP_GENERIC_RECVMSG NOPROTO|NOSTD { int sctp_generic_recvmsg(int sd, struct iovec *iov, int iovlen, \ struct sockaddr * from, __socklen_t *fromlenaddr, \ struct sctp_sndrcvinfo *sinfo, int *msg_flags); } #ifdef PAD64_REQUIRED 475 AUE_PREAD STD { ssize_t freebsd32_pread(int fd, \ void *buf,size_t nbyte, \ int pad, \ uint32_t offset1, uint32_t offset2); } 476 AUE_PWRITE STD { ssize_t freebsd32_pwrite(int fd, \ const void *buf, size_t nbyte, \ int pad, \ uint32_t offset1, uint32_t offset2); } 477 AUE_MMAP STD { void *freebsd32_mmap(void *addr, \ size_t len, int prot, int flags, int fd, \ int pad, \ uint32_t pos1, uint32_t pos2); } 478 AUE_LSEEK STD { off_t freebsd32_lseek(int fd, \ int pad, \ uint32_t offset1, uint32_t offset2, \ int whence); } 479 AUE_TRUNCATE STD { int freebsd32_truncate(const char *path, \ int pad, \ uint32_t length1, uint32_t length2); } 480 AUE_FTRUNCATE STD { int freebsd32_ftruncate(int fd, \ int pad, \ uint32_t length1, uint32_t length2); } #else 475 AUE_PREAD STD { ssize_t freebsd32_pread(int fd, \ void *buf,size_t nbyte, \ uint32_t offset1, uint32_t offset2); } 476 AUE_PWRITE STD { ssize_t freebsd32_pwrite(int fd, \ const void *buf, size_t nbyte, \ uint32_t offset1, uint32_t offset2); } 477 AUE_MMAP STD { void *freebsd32_mmap(void *addr, \ size_t len, int prot, int flags, int fd, \ uint32_t pos1, uint32_t pos2); } 478 AUE_LSEEK STD { off_t freebsd32_lseek(int fd, \ uint32_t offset1, uint32_t offset2, \ int whence); } 479 AUE_TRUNCATE STD { int freebsd32_truncate(const char *path, \ uint32_t length1, uint32_t length2); } 480 AUE_FTRUNCATE STD { int freebsd32_ftruncate(int fd, \ uint32_t length1, uint32_t length2); } #endif 481 AUE_THR_KILL2 NOPROTO { int thr_kill2(pid_t pid, long id, int sig); } 482 AUE_SHMOPEN COMPAT12|NOPROTO { int shm_open( \ const char *path, int flags, mode_t mode); } 483 AUE_SHMUNLINK NOPROTO { int shm_unlink(const char *path); } 484 AUE_NULL NOPROTO { int cpuset(cpusetid_t *setid); } #ifdef PAD64_REQUIRED 485 AUE_NULL STD { int freebsd32_cpuset_setid(cpuwhich_t which, \ int pad, \ uint32_t id1, uint32_t id2, \ cpusetid_t setid); } #else 485 AUE_NULL STD { int freebsd32_cpuset_setid(cpuwhich_t which, \ uint32_t id1, uint32_t id2, \ cpusetid_t setid); } #endif 486 AUE_NULL STD { int freebsd32_cpuset_getid(cpulevel_t level, \ cpuwhich_t which, \ uint32_t id1, uint32_t id2, \ cpusetid_t *setid); } 487 AUE_NULL STD { int freebsd32_cpuset_getaffinity( \ cpulevel_t level, cpuwhich_t which, \ uint32_t id1, uint32_t id2, \ size_t cpusetsize, \ cpuset_t *mask); } 488 AUE_NULL STD { int freebsd32_cpuset_setaffinity( \ cpulevel_t level, cpuwhich_t which, \ uint32_t id1, uint32_t id2, \ size_t cpusetsize, \ const cpuset_t *mask); } 489 AUE_FACCESSAT NOPROTO { int faccessat(int fd, const char *path, \ int amode, int flag); } 490 AUE_FCHMODAT NOPROTO { int fchmodat(int fd, const char *path, \ mode_t mode, int flag); } 491 AUE_FCHOWNAT NOPROTO { int fchownat(int fd, const char *path, \ uid_t uid, gid_t gid, int flag); } 492 AUE_FEXECVE STD { int freebsd32_fexecve(int fd, \ uint32_t *argv, uint32_t *envv); } 493 AUE_FSTATAT COMPAT11 { int freebsd32_fstatat(int fd, \ const char *path, \ struct freebsd11_stat32 *buf, \ int flag); } 494 AUE_FUTIMESAT STD { int freebsd32_futimesat(int fd, \ const char *path, \ struct timeval *times); } 495 AUE_LINKAT NOPROTO { int linkat(int fd1, const char *path1, \ int fd2, const char *path2, int flag); } 496 AUE_MKDIRAT NOPROTO { int mkdirat(int fd, const char *path, \ mode_t mode); } 497 AUE_MKFIFOAT NOPROTO { int mkfifoat(int fd, const char *path, \ mode_t mode); } 498 AUE_MKNODAT COMPAT11|NOPROTO { int mknodat(int fd, \ const char *path, mode_t mode, \ uint32_t dev); } 499 AUE_OPENAT_RWTC NOPROTO { int openat(int fd, const char *path, \ int flag, mode_t mode); } 500 AUE_READLINKAT NOPROTO { ssize_t readlinkat(int fd, const char *path, \ char *buf, size_t bufsize); } 501 AUE_RENAMEAT NOPROTO { int renameat(int oldfd, const char *old, \ int newfd, const char *new); } 502 AUE_SYMLINKAT NOPROTO { int symlinkat(const char *path1, int fd, \ const char *path2); } 503 AUE_UNLINKAT NOPROTO { int unlinkat(int fd, const char *path, \ int flag); } 504 AUE_POSIX_OPENPT NOPROTO { int posix_openpt(int flags); } ; 505 is initialised by the kgssapi code, if present. 505 AUE_NULL UNIMPL gssd_syscall 506 AUE_JAIL_GET STD { int freebsd32_jail_get(struct iovec32 *iovp, \ unsigned int iovcnt, int flags); } 507 AUE_JAIL_SET STD { int freebsd32_jail_set(struct iovec32 *iovp, \ unsigned int iovcnt, int flags); } 508 AUE_JAIL_REMOVE NOPROTO { int jail_remove(int jid); } -509 AUE_CLOSEFROM NOPROTO { int closefrom(int lowfd); } +509 AUE_CLOSEFROM COMPAT12|NOPROTO { int closefrom(int lowfd); } 510 AUE_SEMCTL NOSTD { int freebsd32_semctl(int semid, int semnum, \ int cmd, union semun32 *arg); } 511 AUE_MSGCTL NOSTD { int freebsd32_msgctl(int msqid, int cmd, \ struct msqid_ds32 *buf); } 512 AUE_SHMCTL NOSTD { int freebsd32_shmctl(int shmid, int cmd, \ struct shmid_ds32 *buf); } 513 AUE_LPATHCONF NOPROTO { int lpathconf(const char *path, int name); } 514 AUE_NULL OBSOL cap_new 515 AUE_CAP_RIGHTS_GET NOPROTO { int __cap_rights_get(int version, \ int fd, cap_rights_t *rightsp); } 516 AUE_CAP_ENTER NOPROTO { int cap_enter(void); } 517 AUE_CAP_GETMODE NOPROTO { int cap_getmode(u_int *modep); } 518 AUE_PDFORK NOPROTO { int pdfork(int *fdp, int flags); } 519 AUE_PDKILL NOPROTO { int pdkill(int fd, int signum); } 520 AUE_PDGETPID NOPROTO { int pdgetpid(int fd, pid_t *pidp); } 521 AUE_PDWAIT UNIMPL pdwait4 522 AUE_SELECT STD { int freebsd32_pselect(int nd, fd_set *in, \ fd_set *ou, fd_set *ex, \ const struct timespec32 *ts, \ const sigset_t *sm); } 523 AUE_GETLOGINCLASS NOPROTO { int getloginclass(char *namebuf, \ size_t namelen); } 524 AUE_SETLOGINCLASS NOPROTO { int setloginclass(const char *namebuf); } 525 AUE_NULL NOPROTO { int rctl_get_racct(const void *inbufp, \ size_t inbuflen, void *outbufp, \ size_t outbuflen); } 526 AUE_NULL NOPROTO { int rctl_get_rules(const void *inbufp, \ size_t inbuflen, void *outbufp, \ size_t outbuflen); } 527 AUE_NULL NOPROTO { int rctl_get_limits(const void *inbufp, \ size_t inbuflen, void *outbufp, \ size_t outbuflen); } 528 AUE_NULL NOPROTO { int rctl_add_rule(const void *inbufp, \ size_t inbuflen, void *outbufp, \ size_t outbuflen); } 529 AUE_NULL NOPROTO { int rctl_remove_rule(const void *inbufp, \ size_t inbuflen, void *outbufp, \ size_t outbuflen); } #ifdef PAD64_REQUIRED 530 AUE_POSIX_FALLOCATE STD { int freebsd32_posix_fallocate(int fd, \ int pad, \ uint32_t offset1, uint32_t offset2,\ uint32_t len1, uint32_t len2); } 531 AUE_POSIX_FADVISE STD { int freebsd32_posix_fadvise(int fd, \ int pad, \ uint32_t offset1, uint32_t offset2,\ uint32_t len1, uint32_t len2, \ int advice); } 532 AUE_WAIT6 STD { int freebsd32_wait6(int idtype, int pad, \ uint32_t id1, uint32_t id2, \ int *status, int options, \ struct wrusage32 *wrusage, \ siginfo_t *info); } #else 530 AUE_POSIX_FALLOCATE STD { int freebsd32_posix_fallocate(int fd,\ uint32_t offset1, uint32_t offset2,\ uint32_t len1, uint32_t len2); } 531 AUE_POSIX_FADVISE STD { int freebsd32_posix_fadvise(int fd, \ uint32_t offset1, uint32_t offset2,\ uint32_t len1, uint32_t len2, \ int advice); } 532 AUE_WAIT6 STD { int freebsd32_wait6(int idtype, \ uint32_t id1, uint32_t id2, \ int *status, int options, \ struct wrusage32 *wrusage, \ siginfo_t *info); } #endif 533 AUE_CAP_RIGHTS_LIMIT NOPROTO { \ int cap_rights_limit(int fd, \ cap_rights_t *rightsp); } 534 AUE_CAP_IOCTLS_LIMIT STD { \ int freebsd32_cap_ioctls_limit(int fd, \ const uint32_t *cmds, size_t ncmds); } 535 AUE_CAP_IOCTLS_GET STD { \ ssize_t freebsd32_cap_ioctls_get(int fd, \ uint32_t *cmds, size_t maxcmds); } 536 AUE_CAP_FCNTLS_LIMIT NOPROTO { int cap_fcntls_limit(int fd, \ uint32_t fcntlrights); } 537 AUE_CAP_FCNTLS_GET NOPROTO { int cap_fcntls_get(int fd, \ uint32_t *fcntlrightsp); } 538 AUE_BINDAT NOPROTO { int bindat(int fd, int s, \ const struct sockaddr *name, \ int namelen); } 539 AUE_CONNECTAT NOPROTO { int connectat(int fd, int s, \ const struct sockaddr *name, \ int namelen); } 540 AUE_CHFLAGSAT NOPROTO { int chflagsat(int fd, const char *path, \ u_long flags, int atflag); } 541 AUE_ACCEPT NOPROTO { int accept4(int s, \ struct sockaddr *name, \ __socklen_t *anamelen, \ int flags); } 542 AUE_PIPE NOPROTO { int pipe2(int *fildes, int flags); } 543 AUE_AIO_MLOCK STD { int freebsd32_aio_mlock( \ struct aiocb32 *aiocbp); } #ifdef PAD64_REQUIRED 544 AUE_PROCCTL STD { int freebsd32_procctl(int idtype, int pad, \ uint32_t id1, uint32_t id2, int com, \ void *data); } #else 544 AUE_PROCCTL STD { int freebsd32_procctl(int idtype, \ uint32_t id1, uint32_t id2, int com, \ void *data); } #endif 545 AUE_POLL STD { int freebsd32_ppoll(struct pollfd *fds, \ u_int nfds, const struct timespec32 *ts, \ const sigset_t *set); } 546 AUE_FUTIMES STD { int freebsd32_futimens(int fd, \ struct timespec *times); } 547 AUE_FUTIMESAT STD { int freebsd32_utimensat(int fd, \ const char *path, \ struct timespec *times, int flag); } 548 AUE_NULL OBSOL numa_getaffinity 549 AUE_NULL OBSOL numa_setaffinity 550 AUE_FSYNC NOPROTO { int fdatasync(int fd); } 551 AUE_FSTAT STD { int freebsd32_fstat(int fd, \ struct stat32 *ub); } 552 AUE_FSTATAT STD { int freebsd32_fstatat(int fd, \ const char *path, struct stat32 *buf, \ int flag); } 553 AUE_FHSTAT STD { int freebsd32_fhstat( \ const struct fhandle *u_fhp, \ struct stat32 *sb); } 554 AUE_GETDIRENTRIES NOPROTO { ssize_t getdirentries( \ int fd, char *buf, size_t count, \ off_t *basep); } 555 AUE_STATFS NOPROTO { int statfs(const char *path, \ struct statfs32 *buf); } 556 AUE_FSTATFS NOPROTO { int fstatfs(int fd, struct statfs32 *buf); } 557 AUE_GETFSSTAT NOPROTO { int getfsstat(struct statfs32 *buf, \ long bufsize, int mode); } 558 AUE_FHSTATFS NOPROTO { int fhstatfs(const struct fhandle *u_fhp, \ struct statfs32 *buf); } #ifdef PAD64_REQUIRED 559 AUE_MKNODAT STD { int freebsd32_mknodat(int fd, \ const char *path, mode_t mode, \ int pad, uint32_t dev1, uint32_t dev2); } #else 559 AUE_MKNODAT STD { int freebsd32_mknodat(int fd, \ const char *path, mode_t mode, \ uint32_t dev1, uint32_t dev2); } #endif 560 AUE_KEVENT STD { int freebsd32_kevent(int fd, \ const struct kevent32 *changelist, \ int nchanges, \ struct kevent32 *eventlist, \ int nevents, \ const struct timespec32 *timeout); } 561 AUE_NULL STD { int freebsd32_cpuset_getdomain(cpulevel_t level, \ cpuwhich_t which, uint32_t id1, uint32_t id2, \ size_t domainsetsize, domainset_t *mask, \ int *policy); } 562 AUE_NULL STD { int freebsd32_cpuset_setdomain(cpulevel_t level, \ cpuwhich_t which, uint32_t id1, uint32_t id2, \ size_t domainsetsize, domainset_t *mask, \ int policy); } 563 AUE_NULL NOPROTO { int getrandom(void *buf, size_t buflen, \ unsigned int flags); } 564 AUE_NULL NOPROTO { int getfhat( int fd, char *path, \ struct fhandle *fhp, int flags); } 565 AUE_NULL NOPROTO { int fhlink( struct fhandle *fhp, const char *to ); } 566 AUE_NULL NOPROTO { int fhlinkat( struct fhandle *fhp, int tofd, \ const char *to); } 567 AUE_NULL NOPROTO { int fhreadlink( struct fhandle *fhp, char *buf, \ size_t bufsize); } 568 AUE_UNLINKAT NOPROTO { int funlinkat(int dfd, const char *path, int fd, \ int flag); } 569 AUE_NULL NOPROTO { ssize_t copy_file_range(int infd, \ off_t *inoffp, int outfd, off_t *outoffp, \ size_t len, unsigned int flags); } 570 AUE_SYSCTL STD { int freebsd32___sysctlbyname(const char *name, \ size_t namelen, void *old, uint32_t *oldlenp, \ void *new, size_t newlen); } 571 AUE_SHMOPEN NOPROTO { int shm_open2( \ const char *path, int flags, mode_t mode, \ int shmflags, const char *name); } 572 AUE_SHMRENAME NOPROTO { int shm_rename(const char *path_from, \ const char *path_to, int flags); } 573 AUE_NULL NOPROTO { int sigfastblock(int cmd, uint32_t *ptr); } 574 AUE_REALPATHAT NOPROTO { int __realpathat(int fd, const char *path, \ char *buf, size_t size, int flags); } 575 AUE_NULL NOPROTO { int close_range(u_int lowfd, u_int highfd, \ int flags); } ; vim: syntax=off Index: head/sys/kern/kern_descrip.c =================================================================== --- head/sys/kern/kern_descrip.c (revision 359929) +++ head/sys/kern/kern_descrip.c (revision 359930) @@ -1,4567 +1,4569 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1982, 1986, 1989, 1991, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)kern_descrip.c 8.6 (Berkeley) 4/19/94 */ #include __FBSDID("$FreeBSD$"); #include "opt_capsicum.h" #include "opt_ddb.h" #include "opt_ktrace.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef KTRACE #include #endif #include #include #include #include #include static MALLOC_DEFINE(M_FILEDESC, "filedesc", "Open file descriptor table"); static MALLOC_DEFINE(M_PWD, "pwd", "Descriptor table vnodes"); static MALLOC_DEFINE(M_FILEDESC_TO_LEADER, "filedesc_to_leader", "file desc to leader structures"); static MALLOC_DEFINE(M_SIGIO, "sigio", "sigio structures"); MALLOC_DEFINE(M_FILECAPS, "filecaps", "descriptor capabilities"); MALLOC_DECLARE(M_FADVISE); static __read_mostly uma_zone_t file_zone; static __read_mostly uma_zone_t filedesc0_zone; static __read_mostly uma_zone_t pwd_zone; static __read_mostly smr_t pwd_smr; static int closefp(struct filedesc *fdp, int fd, struct file *fp, struct thread *td, int holdleaders); static int fd_first_free(struct filedesc *fdp, int low, int size); static int fd_last_used(struct filedesc *fdp, int size); static void fdgrowtable(struct filedesc *fdp, int nfd); static void fdgrowtable_exp(struct filedesc *fdp, int nfd); static void fdunused(struct filedesc *fdp, int fd); static void fdused(struct filedesc *fdp, int fd); static int getmaxfd(struct thread *td); static u_long *filecaps_copy_prep(const struct filecaps *src); static void filecaps_copy_finish(const struct filecaps *src, struct filecaps *dst, u_long *ioctls); static u_long *filecaps_free_prep(struct filecaps *fcaps); static void filecaps_free_finish(u_long *ioctls); static struct pwd *pwd_alloc(void); /* * Each process has: * * - An array of open file descriptors (fd_ofiles) * - An array of file flags (fd_ofileflags) * - A bitmap recording which descriptors are in use (fd_map) * * A process starts out with NDFILE descriptors. The value of NDFILE has * been selected based the historical limit of 20 open files, and an * assumption that the majority of processes, especially short-lived * processes like shells, will never need more. * * If this initial allocation is exhausted, a larger descriptor table and * map are allocated dynamically, and the pointers in the process's struct * filedesc are updated to point to those. This is repeated every time * the process runs out of file descriptors (provided it hasn't hit its * resource limit). * * Since threads may hold references to individual descriptor table * entries, the tables are never freed. Instead, they are placed on a * linked list and freed only when the struct filedesc is released. */ #define NDFILE 20 #define NDSLOTSIZE sizeof(NDSLOTTYPE) #define NDENTRIES (NDSLOTSIZE * __CHAR_BIT) #define NDSLOT(x) ((x) / NDENTRIES) #define NDBIT(x) ((NDSLOTTYPE)1 << ((x) % NDENTRIES)) #define NDSLOTS(x) (((x) + NDENTRIES - 1) / NDENTRIES) /* * SLIST entry used to keep track of ofiles which must be reclaimed when * the process exits. */ struct freetable { struct fdescenttbl *ft_table; SLIST_ENTRY(freetable) ft_next; }; /* * Initial allocation: a filedesc structure + the head of SLIST used to * keep track of old ofiles + enough space for NDFILE descriptors. */ struct fdescenttbl0 { int fdt_nfiles; struct filedescent fdt_ofiles[NDFILE]; }; struct filedesc0 { struct filedesc fd_fd; SLIST_HEAD(, freetable) fd_free; struct fdescenttbl0 fd_dfiles; NDSLOTTYPE fd_dmap[NDSLOTS(NDFILE)]; }; /* * Descriptor management. */ static int __exclusive_cache_line openfiles; /* actual number of open files */ struct mtx sigio_lock; /* mtx to protect pointers to sigio */ void __read_mostly (*mq_fdclose)(struct thread *td, int fd, struct file *fp); /* * If low >= size, just return low. Otherwise find the first zero bit in the * given bitmap, starting at low and not exceeding size - 1. Return size if * not found. */ static int fd_first_free(struct filedesc *fdp, int low, int size) { NDSLOTTYPE *map = fdp->fd_map; NDSLOTTYPE mask; int off, maxoff; if (low >= size) return (low); off = NDSLOT(low); if (low % NDENTRIES) { mask = ~(~(NDSLOTTYPE)0 >> (NDENTRIES - (low % NDENTRIES))); if ((mask &= ~map[off]) != 0UL) return (off * NDENTRIES + ffsl(mask) - 1); ++off; } for (maxoff = NDSLOTS(size); off < maxoff; ++off) if (map[off] != ~0UL) return (off * NDENTRIES + ffsl(~map[off]) - 1); return (size); } /* * Find the highest non-zero bit in the given bitmap, starting at 0 and * not exceeding size - 1. Return -1 if not found. */ static int fd_last_used(struct filedesc *fdp, int size) { NDSLOTTYPE *map = fdp->fd_map; NDSLOTTYPE mask; int off, minoff; off = NDSLOT(size); if (size % NDENTRIES) { mask = ~(~(NDSLOTTYPE)0 << (size % NDENTRIES)); if ((mask &= map[off]) != 0) return (off * NDENTRIES + flsl(mask) - 1); --off; } for (minoff = NDSLOT(0); off >= minoff; --off) if (map[off] != 0) return (off * NDENTRIES + flsl(map[off]) - 1); return (-1); } static int fdisused(struct filedesc *fdp, int fd) { KASSERT(fd >= 0 && fd < fdp->fd_nfiles, ("file descriptor %d out of range (0, %d)", fd, fdp->fd_nfiles)); return ((fdp->fd_map[NDSLOT(fd)] & NDBIT(fd)) != 0); } /* * Mark a file descriptor as used. */ static void fdused_init(struct filedesc *fdp, int fd) { KASSERT(!fdisused(fdp, fd), ("fd=%d is already used", fd)); fdp->fd_map[NDSLOT(fd)] |= NDBIT(fd); } static void fdused(struct filedesc *fdp, int fd) { FILEDESC_XLOCK_ASSERT(fdp); fdused_init(fdp, fd); if (fd > fdp->fd_lastfile) fdp->fd_lastfile = fd; if (fd == fdp->fd_freefile) fdp->fd_freefile++; } /* * Mark a file descriptor as unused. */ static void fdunused(struct filedesc *fdp, int fd) { FILEDESC_XLOCK_ASSERT(fdp); KASSERT(fdisused(fdp, fd), ("fd=%d is already unused", fd)); KASSERT(fdp->fd_ofiles[fd].fde_file == NULL, ("fd=%d is still in use", fd)); fdp->fd_map[NDSLOT(fd)] &= ~NDBIT(fd); if (fd < fdp->fd_freefile) fdp->fd_freefile = fd; if (fd == fdp->fd_lastfile) fdp->fd_lastfile = fd_last_used(fdp, fd); } /* * Free a file descriptor. * * Avoid some work if fdp is about to be destroyed. */ static inline void fdefree_last(struct filedescent *fde) { filecaps_free(&fde->fde_caps); } static inline void fdfree(struct filedesc *fdp, int fd) { struct filedescent *fde; fde = &fdp->fd_ofiles[fd]; #ifdef CAPABILITIES seqc_write_begin(&fde->fde_seqc); #endif fde->fde_file = NULL; #ifdef CAPABILITIES seqc_write_end(&fde->fde_seqc); #endif fdefree_last(fde); fdunused(fdp, fd); } /* * System calls on descriptors. */ #ifndef _SYS_SYSPROTO_H_ struct getdtablesize_args { int dummy; }; #endif /* ARGSUSED */ int sys_getdtablesize(struct thread *td, struct getdtablesize_args *uap) { #ifdef RACCT uint64_t lim; #endif td->td_retval[0] = getmaxfd(td); #ifdef RACCT PROC_LOCK(td->td_proc); lim = racct_get_limit(td->td_proc, RACCT_NOFILE); PROC_UNLOCK(td->td_proc); if (lim < td->td_retval[0]) td->td_retval[0] = lim; #endif return (0); } /* * Duplicate a file descriptor to a particular value. * * Note: keep in mind that a potential race condition exists when closing * descriptors from a shared descriptor table (via rfork). */ #ifndef _SYS_SYSPROTO_H_ struct dup2_args { u_int from; u_int to; }; #endif /* ARGSUSED */ int sys_dup2(struct thread *td, struct dup2_args *uap) { return (kern_dup(td, FDDUP_FIXED, 0, (int)uap->from, (int)uap->to)); } /* * Duplicate a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct dup_args { u_int fd; }; #endif /* ARGSUSED */ int sys_dup(struct thread *td, struct dup_args *uap) { return (kern_dup(td, FDDUP_NORMAL, 0, (int)uap->fd, 0)); } /* * The file control system call. */ #ifndef _SYS_SYSPROTO_H_ struct fcntl_args { int fd; int cmd; long arg; }; #endif /* ARGSUSED */ int sys_fcntl(struct thread *td, struct fcntl_args *uap) { return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, uap->arg)); } int kern_fcntl_freebsd(struct thread *td, int fd, int cmd, long arg) { struct flock fl; struct __oflock ofl; intptr_t arg1; int error, newcmd; error = 0; newcmd = cmd; switch (cmd) { case F_OGETLK: case F_OSETLK: case F_OSETLKW: /* * Convert old flock structure to new. */ error = copyin((void *)(intptr_t)arg, &ofl, sizeof(ofl)); fl.l_start = ofl.l_start; fl.l_len = ofl.l_len; fl.l_pid = ofl.l_pid; fl.l_type = ofl.l_type; fl.l_whence = ofl.l_whence; fl.l_sysid = 0; switch (cmd) { case F_OGETLK: newcmd = F_GETLK; break; case F_OSETLK: newcmd = F_SETLK; break; case F_OSETLKW: newcmd = F_SETLKW; break; } arg1 = (intptr_t)&fl; break; case F_GETLK: case F_SETLK: case F_SETLKW: case F_SETLK_REMOTE: error = copyin((void *)(intptr_t)arg, &fl, sizeof(fl)); arg1 = (intptr_t)&fl; break; default: arg1 = arg; break; } if (error) return (error); error = kern_fcntl(td, fd, newcmd, arg1); if (error) return (error); if (cmd == F_OGETLK) { ofl.l_start = fl.l_start; ofl.l_len = fl.l_len; ofl.l_pid = fl.l_pid; ofl.l_type = fl.l_type; ofl.l_whence = fl.l_whence; error = copyout(&ofl, (void *)(intptr_t)arg, sizeof(ofl)); } else if (cmd == F_GETLK) { error = copyout(&fl, (void *)(intptr_t)arg, sizeof(fl)); } return (error); } int kern_fcntl(struct thread *td, int fd, int cmd, intptr_t arg) { struct filedesc *fdp; struct flock *flp; struct file *fp, *fp2; struct filedescent *fde; struct proc *p; struct vnode *vp; struct mount *mp; int error, flg, seals, tmp; uint64_t bsize; off_t foffset; error = 0; flg = F_POSIX; p = td->td_proc; fdp = p->p_fd; AUDIT_ARG_FD(cmd); AUDIT_ARG_CMD(cmd); switch (cmd) { case F_DUPFD: tmp = arg; error = kern_dup(td, FDDUP_FCNTL, 0, fd, tmp); break; case F_DUPFD_CLOEXEC: tmp = arg; error = kern_dup(td, FDDUP_FCNTL, FDDUP_FLAG_CLOEXEC, fd, tmp); break; case F_DUP2FD: tmp = arg; error = kern_dup(td, FDDUP_FIXED, 0, fd, tmp); break; case F_DUP2FD_CLOEXEC: tmp = arg; error = kern_dup(td, FDDUP_FIXED, FDDUP_FLAG_CLOEXEC, fd, tmp); break; case F_GETFD: error = EBADF; FILEDESC_SLOCK(fdp); fde = fdeget_locked(fdp, fd); if (fde != NULL) { td->td_retval[0] = (fde->fde_flags & UF_EXCLOSE) ? FD_CLOEXEC : 0; error = 0; } FILEDESC_SUNLOCK(fdp); break; case F_SETFD: error = EBADF; FILEDESC_XLOCK(fdp); fde = fdeget_locked(fdp, fd); if (fde != NULL) { fde->fde_flags = (fde->fde_flags & ~UF_EXCLOSE) | (arg & FD_CLOEXEC ? UF_EXCLOSE : 0); error = 0; } FILEDESC_XUNLOCK(fdp); break; case F_GETFL: error = fget_fcntl(td, fd, &cap_fcntl_rights, F_GETFL, &fp); if (error != 0) break; td->td_retval[0] = OFLAGS(fp->f_flag); fdrop(fp, td); break; case F_SETFL: error = fget_fcntl(td, fd, &cap_fcntl_rights, F_SETFL, &fp); if (error != 0) break; do { tmp = flg = fp->f_flag; tmp &= ~FCNTLFLAGS; tmp |= FFLAGS(arg & ~O_ACCMODE) & FCNTLFLAGS; } while(atomic_cmpset_int(&fp->f_flag, flg, tmp) == 0); tmp = fp->f_flag & FNONBLOCK; error = fo_ioctl(fp, FIONBIO, &tmp, td->td_ucred, td); if (error != 0) { fdrop(fp, td); break; } tmp = fp->f_flag & FASYNC; error = fo_ioctl(fp, FIOASYNC, &tmp, td->td_ucred, td); if (error == 0) { fdrop(fp, td); break; } atomic_clear_int(&fp->f_flag, FNONBLOCK); tmp = 0; (void)fo_ioctl(fp, FIONBIO, &tmp, td->td_ucred, td); fdrop(fp, td); break; case F_GETOWN: error = fget_fcntl(td, fd, &cap_fcntl_rights, F_GETOWN, &fp); if (error != 0) break; error = fo_ioctl(fp, FIOGETOWN, &tmp, td->td_ucred, td); if (error == 0) td->td_retval[0] = tmp; fdrop(fp, td); break; case F_SETOWN: error = fget_fcntl(td, fd, &cap_fcntl_rights, F_SETOWN, &fp); if (error != 0) break; tmp = arg; error = fo_ioctl(fp, FIOSETOWN, &tmp, td->td_ucred, td); fdrop(fp, td); break; case F_SETLK_REMOTE: error = priv_check(td, PRIV_NFS_LOCKD); if (error != 0) return (error); flg = F_REMOTE; goto do_setlk; case F_SETLKW: flg |= F_WAIT; /* FALLTHROUGH F_SETLK */ case F_SETLK: do_setlk: flp = (struct flock *)arg; if ((flg & F_REMOTE) != 0 && flp->l_sysid == 0) { error = EINVAL; break; } error = fget_unlocked(fdp, fd, &cap_flock_rights, &fp); if (error != 0) break; if (fp->f_type != DTYPE_VNODE) { error = EBADF; fdrop(fp, td); break; } if (flp->l_whence == SEEK_CUR) { foffset = foffset_get(fp); if (foffset < 0 || (flp->l_start > 0 && foffset > OFF_MAX - flp->l_start)) { error = EOVERFLOW; fdrop(fp, td); break; } flp->l_start += foffset; } vp = fp->f_vnode; switch (flp->l_type) { case F_RDLCK: if ((fp->f_flag & FREAD) == 0) { error = EBADF; break; } if ((p->p_leader->p_flag & P_ADVLOCK) == 0) { PROC_LOCK(p->p_leader); p->p_leader->p_flag |= P_ADVLOCK; PROC_UNLOCK(p->p_leader); } error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_SETLK, flp, flg); break; case F_WRLCK: if ((fp->f_flag & FWRITE) == 0) { error = EBADF; break; } if ((p->p_leader->p_flag & P_ADVLOCK) == 0) { PROC_LOCK(p->p_leader); p->p_leader->p_flag |= P_ADVLOCK; PROC_UNLOCK(p->p_leader); } error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_SETLK, flp, flg); break; case F_UNLCK: error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCK, flp, flg); break; case F_UNLCKSYS: if (flg != F_REMOTE) { error = EINVAL; break; } error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCKSYS, flp, flg); break; default: error = EINVAL; break; } if (error != 0 || flp->l_type == F_UNLCK || flp->l_type == F_UNLCKSYS) { fdrop(fp, td); break; } /* * Check for a race with close. * * The vnode is now advisory locked (or unlocked, but this case * is not really important) as the caller requested. * We had to drop the filedesc lock, so we need to recheck if * the descriptor is still valid, because if it was closed * in the meantime we need to remove advisory lock from the * vnode - close on any descriptor leading to an advisory * locked vnode, removes that lock. * We will return 0 on purpose in that case, as the result of * successful advisory lock might have been externally visible * already. This is fine - effectively we pretend to the caller * that the closing thread was a bit slower and that the * advisory lock succeeded before the close. */ error = fget_unlocked(fdp, fd, &cap_no_rights, &fp2); if (error != 0) { fdrop(fp, td); break; } if (fp != fp2) { flp->l_whence = SEEK_SET; flp->l_start = 0; flp->l_len = 0; flp->l_type = F_UNLCK; (void) VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCK, flp, F_POSIX); } fdrop(fp, td); fdrop(fp2, td); break; case F_GETLK: error = fget_unlocked(fdp, fd, &cap_flock_rights, &fp); if (error != 0) break; if (fp->f_type != DTYPE_VNODE) { error = EBADF; fdrop(fp, td); break; } flp = (struct flock *)arg; if (flp->l_type != F_RDLCK && flp->l_type != F_WRLCK && flp->l_type != F_UNLCK) { error = EINVAL; fdrop(fp, td); break; } if (flp->l_whence == SEEK_CUR) { foffset = foffset_get(fp); if ((flp->l_start > 0 && foffset > OFF_MAX - flp->l_start) || (flp->l_start < 0 && foffset < OFF_MIN - flp->l_start)) { error = EOVERFLOW; fdrop(fp, td); break; } flp->l_start += foffset; } vp = fp->f_vnode; error = VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_GETLK, flp, F_POSIX); fdrop(fp, td); break; case F_ADD_SEALS: error = fget_unlocked(fdp, fd, &cap_no_rights, &fp); if (error != 0) break; error = fo_add_seals(fp, arg); fdrop(fp, td); break; case F_GET_SEALS: error = fget_unlocked(fdp, fd, &cap_no_rights, &fp); if (error != 0) break; if (fo_get_seals(fp, &seals) == 0) td->td_retval[0] = seals; else error = EINVAL; fdrop(fp, td); break; case F_RDAHEAD: arg = arg ? 128 * 1024: 0; /* FALLTHROUGH */ case F_READAHEAD: error = fget_unlocked(fdp, fd, &cap_no_rights, &fp); if (error != 0) break; if (fp->f_type != DTYPE_VNODE) { fdrop(fp, td); error = EBADF; break; } vp = fp->f_vnode; if (vp->v_type != VREG) { fdrop(fp, td); error = ENOTTY; break; } /* * Exclusive lock synchronizes against f_seqcount reads and * writes in sequential_heuristic(). */ error = vn_lock(vp, LK_EXCLUSIVE); if (error != 0) { fdrop(fp, td); break; } if (arg >= 0) { bsize = fp->f_vnode->v_mount->mnt_stat.f_iosize; arg = MIN(arg, INT_MAX - bsize + 1); fp->f_seqcount = MIN(IO_SEQMAX, (arg + bsize - 1) / bsize); atomic_set_int(&fp->f_flag, FRDAHEAD); } else { atomic_clear_int(&fp->f_flag, FRDAHEAD); } VOP_UNLOCK(vp); fdrop(fp, td); break; case F_ISUNIONSTACK: /* * Check if the vnode is part of a union stack (either the * "union" flag from mount(2) or unionfs). * * Prior to introduction of this op libc's readdir would call * fstatfs(2), in effect unnecessarily copying kilobytes of * data just to check fs name and a mount flag. * * Fixing the code to handle everything in the kernel instead * is a non-trivial endeavor and has low priority, thus this * horrible kludge facilitates the current behavior in a much * cheaper manner until someone(tm) sorts this out. */ error = fget_unlocked(fdp, fd, &cap_no_rights, &fp); if (error != 0) break; if (fp->f_type != DTYPE_VNODE) { fdrop(fp, td); error = EBADF; break; } vp = fp->f_vnode; /* * Since we don't prevent dooming the vnode even non-null mp * found can become immediately stale. This is tolerable since * mount points are type-stable (providing safe memory access) * and any vfs op on this vnode going forward will return an * error (meaning return value in this case is meaningless). */ mp = atomic_load_ptr(&vp->v_mount); if (__predict_false(mp == NULL)) { fdrop(fp, td); error = EBADF; break; } td->td_retval[0] = 0; if (mp->mnt_kern_flag & MNTK_UNIONFS || mp->mnt_flag & MNT_UNION) td->td_retval[0] = 1; fdrop(fp, td); break; default: error = EINVAL; break; } return (error); } static int getmaxfd(struct thread *td) { return (min((int)lim_cur(td, RLIMIT_NOFILE), maxfilesperproc)); } /* * Common code for dup, dup2, fcntl(F_DUPFD) and fcntl(F_DUP2FD). */ int kern_dup(struct thread *td, u_int mode, int flags, int old, int new) { struct filedesc *fdp; struct filedescent *oldfde, *newfde; struct proc *p; struct file *delfp; u_long *oioctls, *nioctls; int error, maxfd; p = td->td_proc; fdp = p->p_fd; oioctls = NULL; MPASS((flags & ~(FDDUP_FLAG_CLOEXEC)) == 0); MPASS(mode < FDDUP_LASTMODE); AUDIT_ARG_FD(old); /* XXXRW: if (flags & FDDUP_FIXED) AUDIT_ARG_FD2(new); */ /* * Verify we have a valid descriptor to dup from and possibly to * dup to. Unlike dup() and dup2(), fcntl()'s F_DUPFD should * return EINVAL when the new descriptor is out of bounds. */ if (old < 0) return (EBADF); if (new < 0) return (mode == FDDUP_FCNTL ? EINVAL : EBADF); maxfd = getmaxfd(td); if (new >= maxfd) return (mode == FDDUP_FCNTL ? EINVAL : EBADF); error = EBADF; FILEDESC_XLOCK(fdp); if (fget_locked(fdp, old) == NULL) goto unlock; if ((mode == FDDUP_FIXED || mode == FDDUP_MUSTREPLACE) && old == new) { td->td_retval[0] = new; if (flags & FDDUP_FLAG_CLOEXEC) fdp->fd_ofiles[new].fde_flags |= UF_EXCLOSE; error = 0; goto unlock; } oldfde = &fdp->fd_ofiles[old]; if (!fhold(oldfde->fde_file)) goto unlock; /* * If the caller specified a file descriptor, make sure the file * table is large enough to hold it, and grab it. Otherwise, just * allocate a new descriptor the usual way. */ switch (mode) { case FDDUP_NORMAL: case FDDUP_FCNTL: if ((error = fdalloc(td, new, &new)) != 0) { fdrop(oldfde->fde_file, td); goto unlock; } break; case FDDUP_MUSTREPLACE: /* Target file descriptor must exist. */ if (fget_locked(fdp, new) == NULL) { fdrop(oldfde->fde_file, td); goto unlock; } break; case FDDUP_FIXED: if (new >= fdp->fd_nfiles) { /* * The resource limits are here instead of e.g. * fdalloc(), because the file descriptor table may be * shared between processes, so we can't really use * racct_add()/racct_sub(). Instead of counting the * number of actually allocated descriptors, just put * the limit on the size of the file descriptor table. */ #ifdef RACCT if (RACCT_ENABLED()) { error = racct_set_unlocked(p, RACCT_NOFILE, new + 1); if (error != 0) { error = EMFILE; fdrop(oldfde->fde_file, td); goto unlock; } } #endif fdgrowtable_exp(fdp, new + 1); } if (!fdisused(fdp, new)) fdused(fdp, new); break; default: KASSERT(0, ("%s unsupported mode %d", __func__, mode)); } KASSERT(old != new, ("new fd is same as old")); newfde = &fdp->fd_ofiles[new]; delfp = newfde->fde_file; nioctls = filecaps_copy_prep(&oldfde->fde_caps); /* * Duplicate the source descriptor. */ #ifdef CAPABILITIES seqc_write_begin(&newfde->fde_seqc); #endif oioctls = filecaps_free_prep(&newfde->fde_caps); memcpy(newfde, oldfde, fde_change_size); filecaps_copy_finish(&oldfde->fde_caps, &newfde->fde_caps, nioctls); if ((flags & FDDUP_FLAG_CLOEXEC) != 0) newfde->fde_flags = oldfde->fde_flags | UF_EXCLOSE; else newfde->fde_flags = oldfde->fde_flags & ~UF_EXCLOSE; #ifdef CAPABILITIES seqc_write_end(&newfde->fde_seqc); #endif td->td_retval[0] = new; error = 0; if (delfp != NULL) { (void) closefp(fdp, new, delfp, td, 1); FILEDESC_UNLOCK_ASSERT(fdp); } else { unlock: FILEDESC_XUNLOCK(fdp); } filecaps_free_finish(oioctls); return (error); } /* * If sigio is on the list associated with a process or process group, * disable signalling from the device, remove sigio from the list and * free sigio. */ void funsetown(struct sigio **sigiop) { struct sigio *sigio; if (*sigiop == NULL) return; SIGIO_LOCK(); sigio = *sigiop; if (sigio == NULL) { SIGIO_UNLOCK(); return; } *(sigio->sio_myref) = NULL; if ((sigio)->sio_pgid < 0) { struct pgrp *pg = (sigio)->sio_pgrp; PGRP_LOCK(pg); SLIST_REMOVE(&sigio->sio_pgrp->pg_sigiolst, sigio, sigio, sio_pgsigio); PGRP_UNLOCK(pg); } else { struct proc *p = (sigio)->sio_proc; PROC_LOCK(p); SLIST_REMOVE(&sigio->sio_proc->p_sigiolst, sigio, sigio, sio_pgsigio); PROC_UNLOCK(p); } SIGIO_UNLOCK(); crfree(sigio->sio_ucred); free(sigio, M_SIGIO); } /* * Free a list of sigio structures. * We only need to lock the SIGIO_LOCK because we have made ourselves * inaccessible to callers of fsetown and therefore do not need to lock * the proc or pgrp struct for the list manipulation. */ void funsetownlst(struct sigiolst *sigiolst) { struct proc *p; struct pgrp *pg; struct sigio *sigio; sigio = SLIST_FIRST(sigiolst); if (sigio == NULL) return; p = NULL; pg = NULL; /* * Every entry of the list should belong * to a single proc or pgrp. */ if (sigio->sio_pgid < 0) { pg = sigio->sio_pgrp; PGRP_LOCK_ASSERT(pg, MA_NOTOWNED); } else /* if (sigio->sio_pgid > 0) */ { p = sigio->sio_proc; PROC_LOCK_ASSERT(p, MA_NOTOWNED); } SIGIO_LOCK(); while ((sigio = SLIST_FIRST(sigiolst)) != NULL) { *(sigio->sio_myref) = NULL; if (pg != NULL) { KASSERT(sigio->sio_pgid < 0, ("Proc sigio in pgrp sigio list")); KASSERT(sigio->sio_pgrp == pg, ("Bogus pgrp in sigio list")); PGRP_LOCK(pg); SLIST_REMOVE(&pg->pg_sigiolst, sigio, sigio, sio_pgsigio); PGRP_UNLOCK(pg); } else /* if (p != NULL) */ { KASSERT(sigio->sio_pgid > 0, ("Pgrp sigio in proc sigio list")); KASSERT(sigio->sio_proc == p, ("Bogus proc in sigio list")); PROC_LOCK(p); SLIST_REMOVE(&p->p_sigiolst, sigio, sigio, sio_pgsigio); PROC_UNLOCK(p); } SIGIO_UNLOCK(); crfree(sigio->sio_ucred); free(sigio, M_SIGIO); SIGIO_LOCK(); } SIGIO_UNLOCK(); } /* * This is common code for FIOSETOWN ioctl called by fcntl(fd, F_SETOWN, arg). * * After permission checking, add a sigio structure to the sigio list for * the process or process group. */ int fsetown(pid_t pgid, struct sigio **sigiop) { struct proc *proc; struct pgrp *pgrp; struct sigio *sigio; int ret; if (pgid == 0) { funsetown(sigiop); return (0); } ret = 0; /* Allocate and fill in the new sigio out of locks. */ sigio = malloc(sizeof(struct sigio), M_SIGIO, M_WAITOK); sigio->sio_pgid = pgid; sigio->sio_ucred = crhold(curthread->td_ucred); sigio->sio_myref = sigiop; sx_slock(&proctree_lock); if (pgid > 0) { proc = pfind(pgid); if (proc == NULL) { ret = ESRCH; goto fail; } /* * Policy - Don't allow a process to FSETOWN a process * in another session. * * Remove this test to allow maximum flexibility or * restrict FSETOWN to the current process or process * group for maximum safety. */ PROC_UNLOCK(proc); if (proc->p_session != curthread->td_proc->p_session) { ret = EPERM; goto fail; } pgrp = NULL; } else /* if (pgid < 0) */ { pgrp = pgfind(-pgid); if (pgrp == NULL) { ret = ESRCH; goto fail; } PGRP_UNLOCK(pgrp); /* * Policy - Don't allow a process to FSETOWN a process * in another session. * * Remove this test to allow maximum flexibility or * restrict FSETOWN to the current process or process * group for maximum safety. */ if (pgrp->pg_session != curthread->td_proc->p_session) { ret = EPERM; goto fail; } proc = NULL; } funsetown(sigiop); if (pgid > 0) { PROC_LOCK(proc); /* * Since funsetownlst() is called without the proctree * locked, we need to check for P_WEXIT. * XXX: is ESRCH correct? */ if ((proc->p_flag & P_WEXIT) != 0) { PROC_UNLOCK(proc); ret = ESRCH; goto fail; } SLIST_INSERT_HEAD(&proc->p_sigiolst, sigio, sio_pgsigio); sigio->sio_proc = proc; PROC_UNLOCK(proc); } else { PGRP_LOCK(pgrp); SLIST_INSERT_HEAD(&pgrp->pg_sigiolst, sigio, sio_pgsigio); sigio->sio_pgrp = pgrp; PGRP_UNLOCK(pgrp); } sx_sunlock(&proctree_lock); SIGIO_LOCK(); *sigiop = sigio; SIGIO_UNLOCK(); return (0); fail: sx_sunlock(&proctree_lock); crfree(sigio->sio_ucred); free(sigio, M_SIGIO); return (ret); } /* * This is common code for FIOGETOWN ioctl called by fcntl(fd, F_GETOWN, arg). */ pid_t fgetown(struct sigio **sigiop) { pid_t pgid; SIGIO_LOCK(); pgid = (*sigiop != NULL) ? (*sigiop)->sio_pgid : 0; SIGIO_UNLOCK(); return (pgid); } /* * Function drops the filedesc lock on return. */ static int closefp(struct filedesc *fdp, int fd, struct file *fp, struct thread *td, int holdleaders) { int error; FILEDESC_XLOCK_ASSERT(fdp); if (holdleaders) { if (td->td_proc->p_fdtol != NULL) { /* * Ask fdfree() to sleep to ensure that all relevant * process leaders can be traversed in closef(). */ fdp->fd_holdleaderscount++; } else { holdleaders = 0; } } /* * We now hold the fp reference that used to be owned by the * descriptor array. We have to unlock the FILEDESC *AFTER* * knote_fdclose to prevent a race of the fd getting opened, a knote * added, and deleteing a knote for the new fd. */ if (__predict_false(!TAILQ_EMPTY(&fdp->fd_kqlist))) knote_fdclose(td, fd); /* * We need to notify mqueue if the object is of type mqueue. */ if (__predict_false(fp->f_type == DTYPE_MQUEUE)) mq_fdclose(td, fd, fp); FILEDESC_XUNLOCK(fdp); error = closef(fp, td); if (holdleaders) { FILEDESC_XLOCK(fdp); fdp->fd_holdleaderscount--; if (fdp->fd_holdleaderscount == 0 && fdp->fd_holdleaderswakeup != 0) { fdp->fd_holdleaderswakeup = 0; wakeup(&fdp->fd_holdleaderscount); } FILEDESC_XUNLOCK(fdp); } return (error); } /* * Close a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct close_args { int fd; }; #endif /* ARGSUSED */ int sys_close(struct thread *td, struct close_args *uap) { return (kern_close(td, uap->fd)); } int kern_close(struct thread *td, int fd) { struct filedesc *fdp; struct file *fp; fdp = td->td_proc->p_fd; AUDIT_SYSCLOSE(td, fd); FILEDESC_XLOCK(fdp); if ((fp = fget_locked(fdp, fd)) == NULL) { FILEDESC_XUNLOCK(fdp); return (EBADF); } fdfree(fdp, fd); /* closefp() drops the FILEDESC lock for us. */ return (closefp(fdp, fd, fp, td, 1)); } int kern_close_range(struct thread *td, u_int lowfd, u_int highfd) { struct filedesc *fdp; int fd, ret; ret = 0; fdp = td->td_proc->p_fd; FILEDESC_SLOCK(fdp); /* * Check this prior to clamping; closefrom(3) with only fd 0, 1, and 2 * open should not be a usage error. From a close_range() perspective, * close_range(3, ~0U, 0) in the same scenario should also likely not * be a usage error as all fd above 3 are in-fact already closed. */ if (highfd < lowfd) { ret = EINVAL; goto out; } /* * If fdp->fd_lastfile == -1, we're dealing with either a fresh file * table or one in which every fd has been closed. Just return * successful; there's nothing left to do. */ if (fdp->fd_lastfile == -1) goto out; /* Clamped to [lowfd, fd_lastfile] */ highfd = MIN(highfd, fdp->fd_lastfile); for (fd = lowfd; fd <= highfd; fd++) { if (fdp->fd_ofiles[fd].fde_file != NULL) { FILEDESC_SUNLOCK(fdp); (void)kern_close(td, fd); FILEDESC_SLOCK(fdp); } } out: FILEDESC_SUNLOCK(fdp); return (ret); } #ifndef _SYS_SYSPROTO_H_ struct close_range_args { u_int lowfd; u_int highfd; int flags; }; #endif int sys_close_range(struct thread *td, struct close_range_args *uap) { /* No flags currently defined */ if (uap->flags != 0) return (EINVAL); return (kern_close_range(td, uap->lowfd, uap->highfd)); } +#ifdef COMPAT_FREEBSD12 /* * Close open file descriptors. */ #ifndef _SYS_SYSPROTO_H_ -struct closefrom_args { +struct freebsd12_closefrom_args { int lowfd; }; #endif /* ARGSUSED */ int -sys_closefrom(struct thread *td, struct closefrom_args *uap) +freebsd12_closefrom(struct thread *td, struct freebsd12_closefrom_args *uap) { u_int lowfd; AUDIT_ARG_FD(uap->lowfd); /* * Treat negative starting file descriptor values identical to * closefrom(0) which closes all files. */ lowfd = MAX(0, uap->lowfd); return (kern_close_range(td, lowfd, ~0U)); } +#endif /* COMPAT_FREEBSD12 */ #if defined(COMPAT_43) /* * Return status information about a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct ofstat_args { int fd; struct ostat *sb; }; #endif /* ARGSUSED */ int ofstat(struct thread *td, struct ofstat_args *uap) { struct ostat oub; struct stat ub; int error; error = kern_fstat(td, uap->fd, &ub); if (error == 0) { cvtstat(&ub, &oub); error = copyout(&oub, uap->sb, sizeof(oub)); } return (error); } #endif /* COMPAT_43 */ #if defined(COMPAT_FREEBSD11) int freebsd11_fstat(struct thread *td, struct freebsd11_fstat_args *uap) { struct stat sb; struct freebsd11_stat osb; int error; error = kern_fstat(td, uap->fd, &sb); if (error != 0) return (error); error = freebsd11_cvtstat(&sb, &osb); if (error == 0) error = copyout(&osb, uap->sb, sizeof(osb)); return (error); } #endif /* COMPAT_FREEBSD11 */ /* * Return status information about a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct fstat_args { int fd; struct stat *sb; }; #endif /* ARGSUSED */ int sys_fstat(struct thread *td, struct fstat_args *uap) { struct stat ub; int error; error = kern_fstat(td, uap->fd, &ub); if (error == 0) error = copyout(&ub, uap->sb, sizeof(ub)); return (error); } int kern_fstat(struct thread *td, int fd, struct stat *sbp) { struct file *fp; int error; AUDIT_ARG_FD(fd); error = fget(td, fd, &cap_fstat_rights, &fp); if (__predict_false(error != 0)) return (error); AUDIT_ARG_FILE(td->td_proc, fp); error = fo_stat(fp, sbp, td->td_ucred, td); fdrop(fp, td); #ifdef __STAT_TIME_T_EXT sbp->st_atim_ext = 0; sbp->st_mtim_ext = 0; sbp->st_ctim_ext = 0; sbp->st_btim_ext = 0; #endif #ifdef KTRACE if (KTRPOINT(td, KTR_STRUCT)) ktrstat_error(sbp, error); #endif return (error); } #if defined(COMPAT_FREEBSD11) /* * Return status information about a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct freebsd11_nfstat_args { int fd; struct nstat *sb; }; #endif /* ARGSUSED */ int freebsd11_nfstat(struct thread *td, struct freebsd11_nfstat_args *uap) { struct nstat nub; struct stat ub; int error; error = kern_fstat(td, uap->fd, &ub); if (error == 0) { freebsd11_cvtnstat(&ub, &nub); error = copyout(&nub, uap->sb, sizeof(nub)); } return (error); } #endif /* COMPAT_FREEBSD11 */ /* * Return pathconf information about a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ struct fpathconf_args { int fd; int name; }; #endif /* ARGSUSED */ int sys_fpathconf(struct thread *td, struct fpathconf_args *uap) { long value; int error; error = kern_fpathconf(td, uap->fd, uap->name, &value); if (error == 0) td->td_retval[0] = value; return (error); } int kern_fpathconf(struct thread *td, int fd, int name, long *valuep) { struct file *fp; struct vnode *vp; int error; error = fget(td, fd, &cap_fpathconf_rights, &fp); if (error != 0) return (error); if (name == _PC_ASYNC_IO) { *valuep = _POSIX_ASYNCHRONOUS_IO; goto out; } vp = fp->f_vnode; if (vp != NULL) { vn_lock(vp, LK_SHARED | LK_RETRY); error = VOP_PATHCONF(vp, name, valuep); VOP_UNLOCK(vp); } else if (fp->f_type == DTYPE_PIPE || fp->f_type == DTYPE_SOCKET) { if (name != _PC_PIPE_BUF) { error = EINVAL; } else { *valuep = PIPE_BUF; error = 0; } } else { error = EOPNOTSUPP; } out: fdrop(fp, td); return (error); } /* * Copy filecaps structure allocating memory for ioctls array if needed. * * The last parameter indicates whether the fdtable is locked. If it is not and * ioctls are encountered, copying fails and the caller must lock the table. * * Note that if the table was not locked, the caller has to check the relevant * sequence counter to determine whether the operation was successful. */ bool filecaps_copy(const struct filecaps *src, struct filecaps *dst, bool locked) { size_t size; if (src->fc_ioctls != NULL && !locked) return (false); memcpy(dst, src, sizeof(*src)); if (src->fc_ioctls == NULL) return (true); KASSERT(src->fc_nioctls > 0, ("fc_ioctls != NULL, but fc_nioctls=%hd", src->fc_nioctls)); size = sizeof(src->fc_ioctls[0]) * src->fc_nioctls; dst->fc_ioctls = malloc(size, M_FILECAPS, M_WAITOK); memcpy(dst->fc_ioctls, src->fc_ioctls, size); return (true); } static u_long * filecaps_copy_prep(const struct filecaps *src) { u_long *ioctls; size_t size; if (__predict_true(src->fc_ioctls == NULL)) return (NULL); KASSERT(src->fc_nioctls > 0, ("fc_ioctls != NULL, but fc_nioctls=%hd", src->fc_nioctls)); size = sizeof(src->fc_ioctls[0]) * src->fc_nioctls; ioctls = malloc(size, M_FILECAPS, M_WAITOK); return (ioctls); } static void filecaps_copy_finish(const struct filecaps *src, struct filecaps *dst, u_long *ioctls) { size_t size; *dst = *src; if (__predict_true(src->fc_ioctls == NULL)) { MPASS(ioctls == NULL); return; } size = sizeof(src->fc_ioctls[0]) * src->fc_nioctls; dst->fc_ioctls = ioctls; bcopy(src->fc_ioctls, dst->fc_ioctls, size); } /* * Move filecaps structure to the new place and clear the old place. */ void filecaps_move(struct filecaps *src, struct filecaps *dst) { *dst = *src; bzero(src, sizeof(*src)); } /* * Fill the given filecaps structure with full rights. */ static void filecaps_fill(struct filecaps *fcaps) { CAP_ALL(&fcaps->fc_rights); fcaps->fc_ioctls = NULL; fcaps->fc_nioctls = -1; fcaps->fc_fcntls = CAP_FCNTL_ALL; } /* * Free memory allocated within filecaps structure. */ void filecaps_free(struct filecaps *fcaps) { free(fcaps->fc_ioctls, M_FILECAPS); bzero(fcaps, sizeof(*fcaps)); } static u_long * filecaps_free_prep(struct filecaps *fcaps) { u_long *ioctls; ioctls = fcaps->fc_ioctls; bzero(fcaps, sizeof(*fcaps)); return (ioctls); } static void filecaps_free_finish(u_long *ioctls) { free(ioctls, M_FILECAPS); } /* * Validate the given filecaps structure. */ static void filecaps_validate(const struct filecaps *fcaps, const char *func) { KASSERT(cap_rights_is_valid(&fcaps->fc_rights), ("%s: invalid rights", func)); KASSERT((fcaps->fc_fcntls & ~CAP_FCNTL_ALL) == 0, ("%s: invalid fcntls", func)); KASSERT(fcaps->fc_fcntls == 0 || cap_rights_is_set(&fcaps->fc_rights, CAP_FCNTL), ("%s: fcntls without CAP_FCNTL", func)); KASSERT(fcaps->fc_ioctls != NULL ? fcaps->fc_nioctls > 0 : (fcaps->fc_nioctls == -1 || fcaps->fc_nioctls == 0), ("%s: invalid ioctls", func)); KASSERT(fcaps->fc_nioctls == 0 || cap_rights_is_set(&fcaps->fc_rights, CAP_IOCTL), ("%s: ioctls without CAP_IOCTL", func)); } static void fdgrowtable_exp(struct filedesc *fdp, int nfd) { int nfd1; FILEDESC_XLOCK_ASSERT(fdp); nfd1 = fdp->fd_nfiles * 2; if (nfd1 < nfd) nfd1 = nfd; fdgrowtable(fdp, nfd1); } /* * Grow the file table to accommodate (at least) nfd descriptors. */ static void fdgrowtable(struct filedesc *fdp, int nfd) { struct filedesc0 *fdp0; struct freetable *ft; struct fdescenttbl *ntable; struct fdescenttbl *otable; int nnfiles, onfiles; NDSLOTTYPE *nmap, *omap; /* * If lastfile is -1 this struct filedesc was just allocated and we are * growing it to accommodate for the one we are going to copy from. There * is no need to have a lock on this one as it's not visible to anyone. */ if (fdp->fd_lastfile != -1) FILEDESC_XLOCK_ASSERT(fdp); KASSERT(fdp->fd_nfiles > 0, ("zero-length file table")); /* save old values */ onfiles = fdp->fd_nfiles; otable = fdp->fd_files; omap = fdp->fd_map; /* compute the size of the new table */ nnfiles = NDSLOTS(nfd) * NDENTRIES; /* round up */ if (nnfiles <= onfiles) /* the table is already large enough */ return; /* * Allocate a new table. We need enough space for the number of * entries, file entries themselves and the struct freetable we will use * when we decommission the table and place it on the freelist. * We place the struct freetable in the middle so we don't have * to worry about padding. */ ntable = malloc(offsetof(struct fdescenttbl, fdt_ofiles) + nnfiles * sizeof(ntable->fdt_ofiles[0]) + sizeof(struct freetable), M_FILEDESC, M_ZERO | M_WAITOK); /* copy the old data */ ntable->fdt_nfiles = nnfiles; memcpy(ntable->fdt_ofiles, otable->fdt_ofiles, onfiles * sizeof(ntable->fdt_ofiles[0])); /* * Allocate a new map only if the old is not large enough. It will * grow at a slower rate than the table as it can map more * entries than the table can hold. */ if (NDSLOTS(nnfiles) > NDSLOTS(onfiles)) { nmap = malloc(NDSLOTS(nnfiles) * NDSLOTSIZE, M_FILEDESC, M_ZERO | M_WAITOK); /* copy over the old data and update the pointer */ memcpy(nmap, omap, NDSLOTS(onfiles) * sizeof(*omap)); fdp->fd_map = nmap; } /* * Make sure that ntable is correctly initialized before we replace * fd_files poiner. Otherwise fget_unlocked() may see inconsistent * data. */ atomic_store_rel_ptr((volatile void *)&fdp->fd_files, (uintptr_t)ntable); /* * Do not free the old file table, as some threads may still * reference entries within it. Instead, place it on a freelist * which will be processed when the struct filedesc is released. * * Note that if onfiles == NDFILE, we're dealing with the original * static allocation contained within (struct filedesc0 *)fdp, * which must not be freed. */ if (onfiles > NDFILE) { ft = (struct freetable *)&otable->fdt_ofiles[onfiles]; fdp0 = (struct filedesc0 *)fdp; ft->ft_table = otable; SLIST_INSERT_HEAD(&fdp0->fd_free, ft, ft_next); } /* * The map does not have the same possibility of threads still * holding references to it. So always free it as long as it * does not reference the original static allocation. */ if (NDSLOTS(onfiles) > NDSLOTS(NDFILE)) free(omap, M_FILEDESC); } /* * Allocate a file descriptor for the process. */ int fdalloc(struct thread *td, int minfd, int *result) { struct proc *p = td->td_proc; struct filedesc *fdp = p->p_fd; int fd, maxfd, allocfd; #ifdef RACCT int error; #endif FILEDESC_XLOCK_ASSERT(fdp); if (fdp->fd_freefile > minfd) minfd = fdp->fd_freefile; maxfd = getmaxfd(td); /* * Search the bitmap for a free descriptor starting at minfd. * If none is found, grow the file table. */ fd = fd_first_free(fdp, minfd, fdp->fd_nfiles); if (fd >= maxfd) return (EMFILE); if (fd >= fdp->fd_nfiles) { allocfd = min(fd * 2, maxfd); #ifdef RACCT if (RACCT_ENABLED()) { error = racct_set_unlocked(p, RACCT_NOFILE, allocfd); if (error != 0) return (EMFILE); } #endif /* * fd is already equal to first free descriptor >= minfd, so * we only need to grow the table and we are done. */ fdgrowtable_exp(fdp, allocfd); } /* * Perform some sanity checks, then mark the file descriptor as * used and return it to the caller. */ KASSERT(fd >= 0 && fd < min(maxfd, fdp->fd_nfiles), ("invalid descriptor %d", fd)); KASSERT(!fdisused(fdp, fd), ("fd_first_free() returned non-free descriptor")); KASSERT(fdp->fd_ofiles[fd].fde_file == NULL, ("file descriptor isn't free")); fdused(fdp, fd); *result = fd; return (0); } /* * Allocate n file descriptors for the process. */ int fdallocn(struct thread *td, int minfd, int *fds, int n) { struct proc *p = td->td_proc; struct filedesc *fdp = p->p_fd; int i; FILEDESC_XLOCK_ASSERT(fdp); for (i = 0; i < n; i++) if (fdalloc(td, 0, &fds[i]) != 0) break; if (i < n) { for (i--; i >= 0; i--) fdunused(fdp, fds[i]); return (EMFILE); } return (0); } /* * Create a new open file structure and allocate a file descriptor for the * process that refers to it. We add one reference to the file for the * descriptor table and one reference for resultfp. This is to prevent us * being preempted and the entry in the descriptor table closed after we * release the FILEDESC lock. */ int falloc_caps(struct thread *td, struct file **resultfp, int *resultfd, int flags, struct filecaps *fcaps) { struct file *fp; int error, fd; error = falloc_noinstall(td, &fp); if (error) return (error); /* no reference held on error */ error = finstall(td, fp, &fd, flags, fcaps); if (error) { fdrop(fp, td); /* one reference (fp only) */ return (error); } if (resultfp != NULL) *resultfp = fp; /* copy out result */ else fdrop(fp, td); /* release local reference */ if (resultfd != NULL) *resultfd = fd; return (0); } /* * Create a new open file structure without allocating a file descriptor. */ int falloc_noinstall(struct thread *td, struct file **resultfp) { struct file *fp; int maxuserfiles = maxfiles - (maxfiles / 20); int openfiles_new; static struct timeval lastfail; static int curfail; KASSERT(resultfp != NULL, ("%s: resultfp == NULL", __func__)); openfiles_new = atomic_fetchadd_int(&openfiles, 1) + 1; if ((openfiles_new >= maxuserfiles && priv_check(td, PRIV_MAXFILES) != 0) || openfiles_new >= maxfiles) { atomic_subtract_int(&openfiles, 1); if (ppsratecheck(&lastfail, &curfail, 1)) { printf("kern.maxfiles limit exceeded by uid %i, (%s) " "please see tuning(7).\n", td->td_ucred->cr_ruid, td->td_proc->p_comm); } return (ENFILE); } fp = uma_zalloc(file_zone, M_WAITOK); bzero(fp, sizeof(*fp)); refcount_init(&fp->f_count, 1); fp->f_cred = crhold(td->td_ucred); fp->f_ops = &badfileops; *resultfp = fp; return (0); } /* * Install a file in a file descriptor table. */ void _finstall(struct filedesc *fdp, struct file *fp, int fd, int flags, struct filecaps *fcaps) { struct filedescent *fde; MPASS(fp != NULL); if (fcaps != NULL) filecaps_validate(fcaps, __func__); FILEDESC_XLOCK_ASSERT(fdp); fde = &fdp->fd_ofiles[fd]; #ifdef CAPABILITIES seqc_write_begin(&fde->fde_seqc); #endif fde->fde_file = fp; fde->fde_flags = (flags & O_CLOEXEC) != 0 ? UF_EXCLOSE : 0; if (fcaps != NULL) filecaps_move(fcaps, &fde->fde_caps); else filecaps_fill(&fde->fde_caps); #ifdef CAPABILITIES seqc_write_end(&fde->fde_seqc); #endif } int finstall(struct thread *td, struct file *fp, int *fd, int flags, struct filecaps *fcaps) { struct filedesc *fdp = td->td_proc->p_fd; int error; MPASS(fd != NULL); if (!fhold(fp)) return (EBADF); FILEDESC_XLOCK(fdp); error = fdalloc(td, 0, fd); if (__predict_false(error != 0)) { FILEDESC_XUNLOCK(fdp); fdrop(fp, td); return (error); } _finstall(fdp, fp, *fd, flags, fcaps); FILEDESC_XUNLOCK(fdp); return (0); } /* * Build a new filedesc structure from another. * Copy the current, root, and jail root vnode references. * * If fdp is not NULL, return with it shared locked. */ struct filedesc * fdinit(struct filedesc *fdp, bool prepfiles) { struct filedesc0 *newfdp0; struct filedesc *newfdp; struct pwd *newpwd; newfdp0 = uma_zalloc(filedesc0_zone, M_WAITOK | M_ZERO); newfdp = &newfdp0->fd_fd; /* Create the file descriptor table. */ FILEDESC_LOCK_INIT(newfdp); refcount_init(&newfdp->fd_refcnt, 1); refcount_init(&newfdp->fd_holdcnt, 1); newfdp->fd_cmask = CMASK; newfdp->fd_map = newfdp0->fd_dmap; newfdp->fd_lastfile = -1; newfdp->fd_files = (struct fdescenttbl *)&newfdp0->fd_dfiles; newfdp->fd_files->fdt_nfiles = NDFILE; if (fdp == NULL) { newpwd = pwd_alloc(); smr_serialized_store(&newfdp->fd_pwd, newpwd, true); return (newfdp); } if (prepfiles && fdp->fd_lastfile >= newfdp->fd_nfiles) fdgrowtable(newfdp, fdp->fd_lastfile + 1); FILEDESC_SLOCK(fdp); newpwd = pwd_hold_filedesc(fdp); smr_serialized_store(&newfdp->fd_pwd, newpwd, true); if (!prepfiles) { FILEDESC_SUNLOCK(fdp); } else { while (fdp->fd_lastfile >= newfdp->fd_nfiles) { FILEDESC_SUNLOCK(fdp); fdgrowtable(newfdp, fdp->fd_lastfile + 1); FILEDESC_SLOCK(fdp); } } return (newfdp); } static struct filedesc * fdhold(struct proc *p) { struct filedesc *fdp; PROC_LOCK_ASSERT(p, MA_OWNED); fdp = p->p_fd; if (fdp != NULL) refcount_acquire(&fdp->fd_holdcnt); return (fdp); } static void fddrop(struct filedesc *fdp) { if (fdp->fd_holdcnt > 1) { if (refcount_release(&fdp->fd_holdcnt) == 0) return; } FILEDESC_LOCK_DESTROY(fdp); uma_zfree(filedesc0_zone, fdp); } /* * Share a filedesc structure. */ struct filedesc * fdshare(struct filedesc *fdp) { refcount_acquire(&fdp->fd_refcnt); return (fdp); } /* * Unshare a filedesc structure, if necessary by making a copy */ void fdunshare(struct thread *td) { struct filedesc *tmp; struct proc *p = td->td_proc; if (p->p_fd->fd_refcnt == 1) return; tmp = fdcopy(p->p_fd); fdescfree(td); p->p_fd = tmp; } void fdinstall_remapped(struct thread *td, struct filedesc *fdp) { fdescfree(td); td->td_proc->p_fd = fdp; } /* * Copy a filedesc structure. A NULL pointer in returns a NULL reference, * this is to ease callers, not catch errors. */ struct filedesc * fdcopy(struct filedesc *fdp) { struct filedesc *newfdp; struct filedescent *nfde, *ofde; int i; MPASS(fdp != NULL); newfdp = fdinit(fdp, true); /* copy all passable descriptors (i.e. not kqueue) */ newfdp->fd_freefile = -1; for (i = 0; i <= fdp->fd_lastfile; ++i) { ofde = &fdp->fd_ofiles[i]; if (ofde->fde_file == NULL || (ofde->fde_file->f_ops->fo_flags & DFLAG_PASSABLE) == 0 || !fhold(ofde->fde_file)) { if (newfdp->fd_freefile == -1) newfdp->fd_freefile = i; continue; } nfde = &newfdp->fd_ofiles[i]; *nfde = *ofde; filecaps_copy(&ofde->fde_caps, &nfde->fde_caps, true); fdused_init(newfdp, i); newfdp->fd_lastfile = i; } if (newfdp->fd_freefile == -1) newfdp->fd_freefile = i; newfdp->fd_cmask = fdp->fd_cmask; FILEDESC_SUNLOCK(fdp); return (newfdp); } /* * Copies a filedesc structure, while remapping all file descriptors * stored inside using a translation table. * * File descriptors are copied over to the new file descriptor table, * regardless of whether the close-on-exec flag is set. */ int fdcopy_remapped(struct filedesc *fdp, const int *fds, size_t nfds, struct filedesc **ret) { struct filedesc *newfdp; struct filedescent *nfde, *ofde; int error, i; MPASS(fdp != NULL); newfdp = fdinit(fdp, true); if (nfds > fdp->fd_lastfile + 1) { /* New table cannot be larger than the old one. */ error = E2BIG; goto bad; } /* Copy all passable descriptors (i.e. not kqueue). */ newfdp->fd_freefile = nfds; for (i = 0; i < nfds; ++i) { if (fds[i] < 0 || fds[i] > fdp->fd_lastfile) { /* File descriptor out of bounds. */ error = EBADF; goto bad; } ofde = &fdp->fd_ofiles[fds[i]]; if (ofde->fde_file == NULL) { /* Unused file descriptor. */ error = EBADF; goto bad; } if ((ofde->fde_file->f_ops->fo_flags & DFLAG_PASSABLE) == 0) { /* File descriptor cannot be passed. */ error = EINVAL; goto bad; } if (!fhold(nfde->fde_file)) { error = EBADF; goto bad; } nfde = &newfdp->fd_ofiles[i]; *nfde = *ofde; filecaps_copy(&ofde->fde_caps, &nfde->fde_caps, true); fdused_init(newfdp, i); newfdp->fd_lastfile = i; } newfdp->fd_cmask = fdp->fd_cmask; FILEDESC_SUNLOCK(fdp); *ret = newfdp; return (0); bad: FILEDESC_SUNLOCK(fdp); fdescfree_remapped(newfdp); return (error); } /* * Clear POSIX style locks. This is only used when fdp looses a reference (i.e. * one of processes using it exits) and the table used to be shared. */ static void fdclearlocks(struct thread *td) { struct filedesc *fdp; struct filedesc_to_leader *fdtol; struct flock lf; struct file *fp; struct proc *p; struct vnode *vp; int i; p = td->td_proc; fdp = p->p_fd; fdtol = p->p_fdtol; MPASS(fdtol != NULL); FILEDESC_XLOCK(fdp); KASSERT(fdtol->fdl_refcount > 0, ("filedesc_to_refcount botch: fdl_refcount=%d", fdtol->fdl_refcount)); if (fdtol->fdl_refcount == 1 && (p->p_leader->p_flag & P_ADVLOCK) != 0) { for (i = 0; i <= fdp->fd_lastfile; i++) { fp = fdp->fd_ofiles[i].fde_file; if (fp == NULL || fp->f_type != DTYPE_VNODE || !fhold(fp)) continue; FILEDESC_XUNLOCK(fdp); lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; lf.l_type = F_UNLCK; vp = fp->f_vnode; (void) VOP_ADVLOCK(vp, (caddr_t)p->p_leader, F_UNLCK, &lf, F_POSIX); FILEDESC_XLOCK(fdp); fdrop(fp, td); } } retry: if (fdtol->fdl_refcount == 1) { if (fdp->fd_holdleaderscount > 0 && (p->p_leader->p_flag & P_ADVLOCK) != 0) { /* * close() or kern_dup() has cleared a reference * in a shared file descriptor table. */ fdp->fd_holdleaderswakeup = 1; sx_sleep(&fdp->fd_holdleaderscount, FILEDESC_LOCK(fdp), PLOCK, "fdlhold", 0); goto retry; } if (fdtol->fdl_holdcount > 0) { /* * Ensure that fdtol->fdl_leader remains * valid in closef(). */ fdtol->fdl_wakeup = 1; sx_sleep(fdtol, FILEDESC_LOCK(fdp), PLOCK, "fdlhold", 0); goto retry; } } fdtol->fdl_refcount--; if (fdtol->fdl_refcount == 0 && fdtol->fdl_holdcount == 0) { fdtol->fdl_next->fdl_prev = fdtol->fdl_prev; fdtol->fdl_prev->fdl_next = fdtol->fdl_next; } else fdtol = NULL; p->p_fdtol = NULL; FILEDESC_XUNLOCK(fdp); if (fdtol != NULL) free(fdtol, M_FILEDESC_TO_LEADER); } /* * Release a filedesc structure. */ static void fdescfree_fds(struct thread *td, struct filedesc *fdp, bool needclose) { struct filedesc0 *fdp0; struct freetable *ft, *tft; struct filedescent *fde; struct file *fp; int i; for (i = 0; i <= fdp->fd_lastfile; i++) { fde = &fdp->fd_ofiles[i]; fp = fde->fde_file; if (fp != NULL) { fdefree_last(fde); if (needclose) (void) closef(fp, td); else fdrop(fp, td); } } if (NDSLOTS(fdp->fd_nfiles) > NDSLOTS(NDFILE)) free(fdp->fd_map, M_FILEDESC); if (fdp->fd_nfiles > NDFILE) free(fdp->fd_files, M_FILEDESC); fdp0 = (struct filedesc0 *)fdp; SLIST_FOREACH_SAFE(ft, &fdp0->fd_free, ft_next, tft) free(ft->ft_table, M_FILEDESC); fddrop(fdp); } void fdescfree(struct thread *td) { struct proc *p; struct filedesc *fdp; struct pwd *pwd; p = td->td_proc; fdp = p->p_fd; MPASS(fdp != NULL); #ifdef RACCT if (RACCT_ENABLED()) racct_set_unlocked(p, RACCT_NOFILE, 0); #endif if (p->p_fdtol != NULL) fdclearlocks(td); PROC_LOCK(p); p->p_fd = NULL; PROC_UNLOCK(p); if (refcount_release(&fdp->fd_refcnt) == 0) return; FILEDESC_XLOCK(fdp); pwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); pwd_set(fdp, NULL); FILEDESC_XUNLOCK(fdp); pwd_drop(pwd); fdescfree_fds(td, fdp, 1); } void fdescfree_remapped(struct filedesc *fdp) { pwd_drop(smr_serialized_load(&fdp->fd_pwd, true)); fdescfree_fds(curthread, fdp, 0); } /* * For setugid programs, we don't want to people to use that setugidness * to generate error messages which write to a file which otherwise would * otherwise be off-limits to the process. We check for filesystems where * the vnode can change out from under us after execve (like [lin]procfs). * * Since fdsetugidsafety calls this only for fd 0, 1 and 2, this check is * sufficient. We also don't check for setugidness since we know we are. */ static bool is_unsafe(struct file *fp) { struct vnode *vp; if (fp->f_type != DTYPE_VNODE) return (false); vp = fp->f_vnode; return ((vp->v_vflag & VV_PROCDEP) != 0); } /* * Make this setguid thing safe, if at all possible. */ void fdsetugidsafety(struct thread *td) { struct filedesc *fdp; struct file *fp; int i; fdp = td->td_proc->p_fd; KASSERT(fdp->fd_refcnt == 1, ("the fdtable should not be shared")); MPASS(fdp->fd_nfiles >= 3); for (i = 0; i <= 2; i++) { fp = fdp->fd_ofiles[i].fde_file; if (fp != NULL && is_unsafe(fp)) { FILEDESC_XLOCK(fdp); knote_fdclose(td, i); /* * NULL-out descriptor prior to close to avoid * a race while close blocks. */ fdfree(fdp, i); FILEDESC_XUNLOCK(fdp); (void) closef(fp, td); } } } /* * If a specific file object occupies a specific file descriptor, close the * file descriptor entry and drop a reference on the file object. This is a * convenience function to handle a subsequent error in a function that calls * falloc() that handles the race that another thread might have closed the * file descriptor out from under the thread creating the file object. */ void fdclose(struct thread *td, struct file *fp, int idx) { struct filedesc *fdp = td->td_proc->p_fd; FILEDESC_XLOCK(fdp); if (fdp->fd_ofiles[idx].fde_file == fp) { fdfree(fdp, idx); FILEDESC_XUNLOCK(fdp); fdrop(fp, td); } else FILEDESC_XUNLOCK(fdp); } /* * Close any files on exec? */ void fdcloseexec(struct thread *td) { struct filedesc *fdp; struct filedescent *fde; struct file *fp; int i; fdp = td->td_proc->p_fd; KASSERT(fdp->fd_refcnt == 1, ("the fdtable should not be shared")); for (i = 0; i <= fdp->fd_lastfile; i++) { fde = &fdp->fd_ofiles[i]; fp = fde->fde_file; if (fp != NULL && (fp->f_type == DTYPE_MQUEUE || (fde->fde_flags & UF_EXCLOSE))) { FILEDESC_XLOCK(fdp); fdfree(fdp, i); (void) closefp(fdp, i, fp, td, 0); FILEDESC_UNLOCK_ASSERT(fdp); } } } /* * It is unsafe for set[ug]id processes to be started with file * descriptors 0..2 closed, as these descriptors are given implicit * significance in the Standard C library. fdcheckstd() will create a * descriptor referencing /dev/null for each of stdin, stdout, and * stderr that is not already open. */ int fdcheckstd(struct thread *td) { struct filedesc *fdp; register_t save; int i, error, devnull; fdp = td->td_proc->p_fd; KASSERT(fdp->fd_refcnt == 1, ("the fdtable should not be shared")); MPASS(fdp->fd_nfiles >= 3); devnull = -1; for (i = 0; i <= 2; i++) { if (fdp->fd_ofiles[i].fde_file != NULL) continue; save = td->td_retval[0]; if (devnull != -1) { error = kern_dup(td, FDDUP_FIXED, 0, devnull, i); } else { error = kern_openat(td, AT_FDCWD, "/dev/null", UIO_SYSSPACE, O_RDWR, 0); if (error == 0) { devnull = td->td_retval[0]; KASSERT(devnull == i, ("we didn't get our fd")); } } td->td_retval[0] = save; if (error != 0) return (error); } return (0); } /* * Internal form of close. Decrement reference count on file structure. * Note: td may be NULL when closing a file that was being passed in a * message. */ int closef(struct file *fp, struct thread *td) { struct vnode *vp; struct flock lf; struct filedesc_to_leader *fdtol; struct filedesc *fdp; /* * POSIX record locking dictates that any close releases ALL * locks owned by this process. This is handled by setting * a flag in the unlock to free ONLY locks obeying POSIX * semantics, and not to free BSD-style file locks. * If the descriptor was in a message, POSIX-style locks * aren't passed with the descriptor, and the thread pointer * will be NULL. Callers should be careful only to pass a * NULL thread pointer when there really is no owning * context that might have locks, or the locks will be * leaked. */ if (fp->f_type == DTYPE_VNODE && td != NULL) { vp = fp->f_vnode; if ((td->td_proc->p_leader->p_flag & P_ADVLOCK) != 0) { lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; lf.l_type = F_UNLCK; (void) VOP_ADVLOCK(vp, (caddr_t)td->td_proc->p_leader, F_UNLCK, &lf, F_POSIX); } fdtol = td->td_proc->p_fdtol; if (fdtol != NULL) { /* * Handle special case where file descriptor table is * shared between multiple process leaders. */ fdp = td->td_proc->p_fd; FILEDESC_XLOCK(fdp); for (fdtol = fdtol->fdl_next; fdtol != td->td_proc->p_fdtol; fdtol = fdtol->fdl_next) { if ((fdtol->fdl_leader->p_flag & P_ADVLOCK) == 0) continue; fdtol->fdl_holdcount++; FILEDESC_XUNLOCK(fdp); lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; lf.l_type = F_UNLCK; vp = fp->f_vnode; (void) VOP_ADVLOCK(vp, (caddr_t)fdtol->fdl_leader, F_UNLCK, &lf, F_POSIX); FILEDESC_XLOCK(fdp); fdtol->fdl_holdcount--; if (fdtol->fdl_holdcount == 0 && fdtol->fdl_wakeup != 0) { fdtol->fdl_wakeup = 0; wakeup(fdtol); } } FILEDESC_XUNLOCK(fdp); } } return (fdrop(fp, td)); } /* * Initialize the file pointer with the specified properties. * * The ops are set with release semantics to be certain that the flags, type, * and data are visible when ops is. This is to prevent ops methods from being * called with bad data. */ void finit(struct file *fp, u_int flag, short type, void *data, struct fileops *ops) { fp->f_data = data; fp->f_flag = flag; fp->f_type = type; atomic_store_rel_ptr((volatile uintptr_t *)&fp->f_ops, (uintptr_t)ops); } int fget_cap_locked(struct filedesc *fdp, int fd, cap_rights_t *needrightsp, struct file **fpp, struct filecaps *havecapsp) { struct filedescent *fde; int error; FILEDESC_LOCK_ASSERT(fdp); fde = fdeget_locked(fdp, fd); if (fde == NULL) { error = EBADF; goto out; } #ifdef CAPABILITIES error = cap_check(cap_rights_fde_inline(fde), needrightsp); if (error != 0) goto out; #endif if (havecapsp != NULL) filecaps_copy(&fde->fde_caps, havecapsp, true); *fpp = fde->fde_file; error = 0; out: return (error); } int fget_cap(struct thread *td, int fd, cap_rights_t *needrightsp, struct file **fpp, struct filecaps *havecapsp) { struct filedesc *fdp = td->td_proc->p_fd; int error; #ifndef CAPABILITIES error = fget_unlocked(fdp, fd, needrightsp, fpp); if (havecapsp != NULL && error == 0) filecaps_fill(havecapsp); #else struct file *fp; seqc_t seq; *fpp = NULL; for (;;) { error = fget_unlocked_seq(fdp, fd, needrightsp, &fp, &seq); if (error != 0) return (error); if (havecapsp != NULL) { if (!filecaps_copy(&fdp->fd_ofiles[fd].fde_caps, havecapsp, false)) { fdrop(fp, td); goto get_locked; } } if (!fd_modified(fdp, fd, seq)) break; fdrop(fp, td); } *fpp = fp; return (0); get_locked: FILEDESC_SLOCK(fdp); error = fget_cap_locked(fdp, fd, needrightsp, fpp, havecapsp); if (error == 0 && !fhold(*fpp)) error = EBADF; FILEDESC_SUNLOCK(fdp); #endif return (error); } int fget_unlocked_seq(struct filedesc *fdp, int fd, cap_rights_t *needrightsp, struct file **fpp, seqc_t *seqp) { #ifdef CAPABILITIES const struct filedescent *fde; #endif const struct fdescenttbl *fdt; struct file *fp; #ifdef CAPABILITIES seqc_t seq; cap_rights_t haverights; int error; #endif fdt = fdp->fd_files; if (__predict_false((u_int)fd >= fdt->fdt_nfiles)) return (EBADF); /* * Fetch the descriptor locklessly. We avoid fdrop() races by * never raising a refcount above 0. To accomplish this we have * to use a cmpset loop rather than an atomic_add. The descriptor * must be re-verified once we acquire a reference to be certain * that the identity is still correct and we did not lose a race * due to preemption. */ for (;;) { #ifdef CAPABILITIES seq = seqc_read(fd_seqc(fdt, fd)); fde = &fdt->fdt_ofiles[fd]; haverights = *cap_rights_fde_inline(fde); fp = fde->fde_file; if (!seqc_consistent(fd_seqc(fdt, fd), seq)) continue; #else fp = fdt->fdt_ofiles[fd].fde_file; #endif if (fp == NULL) return (EBADF); #ifdef CAPABILITIES error = cap_check_inline(&haverights, needrightsp); if (error != 0) return (error); #endif if (__predict_false(!refcount_acquire_if_not_zero(&fp->f_count))) { /* * The count was found either saturated or zero. * This re-read is not any more racy than using the * return value from fcmpset. */ if (fp->f_count != 0) return (EBADF); /* * Force a reload. Other thread could reallocate the * table before this fd was closed, so it is possible * that there is a stale fp pointer in cached version. */ fdt = atomic_load_ptr(&fdp->fd_files); continue; } /* * Use an acquire barrier to force re-reading of fdt so it is * refreshed for verification. */ atomic_thread_fence_acq(); fdt = fdp->fd_files; #ifdef CAPABILITIES if (seqc_consistent_nomb(fd_seqc(fdt, fd), seq)) #else if (fp == fdt->fdt_ofiles[fd].fde_file) #endif break; fdrop(fp, curthread); } *fpp = fp; if (seqp != NULL) { #ifdef CAPABILITIES *seqp = seq; #endif } return (0); } /* * See the comments in fget_unlocked_seq for an explanation of how this works. * * This is a simplified variant which bails out to the aforementioned routine * if anything goes wrong. In practice this only happens when userspace is * racing with itself. */ int fget_unlocked(struct filedesc *fdp, int fd, cap_rights_t *needrightsp, struct file **fpp) { #ifdef CAPABILITIES const struct filedescent *fde; #endif const struct fdescenttbl *fdt; struct file *fp; #ifdef CAPABILITIES seqc_t seq; const cap_rights_t *haverights; #endif fdt = fdp->fd_files; if (__predict_false((u_int)fd >= fdt->fdt_nfiles)) return (EBADF); #ifdef CAPABILITIES seq = seqc_read_any(fd_seqc(fdt, fd)); if (__predict_false(seqc_in_modify(seq))) goto out_fallback; fde = &fdt->fdt_ofiles[fd]; haverights = cap_rights_fde_inline(fde); fp = fde->fde_file; #else fp = fdt->fdt_ofiles[fd].fde_file; #endif if (__predict_false(fp == NULL)) goto out_fallback; #ifdef CAPABILITIES if (__predict_false(cap_check_inline_transient(haverights, needrightsp))) goto out_fallback; #endif if (__predict_false(!refcount_acquire_if_not_zero(&fp->f_count))) goto out_fallback; /* * Use an acquire barrier to force re-reading of fdt so it is * refreshed for verification. */ atomic_thread_fence_acq(); fdt = fdp->fd_files; #ifdef CAPABILITIES if (__predict_false(!seqc_consistent_nomb(fd_seqc(fdt, fd), seq))) #else if (__predict_false(fp != fdt->fdt_ofiles[fd].fde_file)) #endif goto out_fdrop; *fpp = fp; return (0); out_fdrop: fdrop(fp, curthread); out_fallback: return (fget_unlocked_seq(fdp, fd, needrightsp, fpp, NULL)); } /* * Extract the file pointer associated with the specified descriptor for the * current user process. * * If the descriptor doesn't exist or doesn't match 'flags', EBADF is * returned. * * File's rights will be checked against the capability rights mask. * * If an error occurred the non-zero error is returned and *fpp is set to * NULL. Otherwise *fpp is held and set and zero is returned. Caller is * responsible for fdrop(). */ static __inline int _fget(struct thread *td, int fd, struct file **fpp, int flags, cap_rights_t *needrightsp) { struct filedesc *fdp; struct file *fp; int error; *fpp = NULL; fdp = td->td_proc->p_fd; error = fget_unlocked(fdp, fd, needrightsp, &fp); if (__predict_false(error != 0)) return (error); if (__predict_false(fp->f_ops == &badfileops)) { fdrop(fp, td); return (EBADF); } /* * FREAD and FWRITE failure return EBADF as per POSIX. */ error = 0; switch (flags) { case FREAD: case FWRITE: if ((fp->f_flag & flags) == 0) error = EBADF; break; case FEXEC: if ((fp->f_flag & (FREAD | FEXEC)) == 0 || ((fp->f_flag & FWRITE) != 0)) error = EBADF; break; case 0: break; default: KASSERT(0, ("wrong flags")); } if (error != 0) { fdrop(fp, td); return (error); } *fpp = fp; return (0); } int fget(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp) { return (_fget(td, fd, fpp, 0, rightsp)); } int fget_mmap(struct thread *td, int fd, cap_rights_t *rightsp, vm_prot_t *maxprotp, struct file **fpp) { int error; #ifndef CAPABILITIES error = _fget(td, fd, fpp, 0, rightsp); if (maxprotp != NULL) *maxprotp = VM_PROT_ALL; return (error); #else cap_rights_t fdrights; struct filedesc *fdp; struct file *fp; seqc_t seq; *fpp = NULL; fdp = td->td_proc->p_fd; MPASS(cap_rights_is_set(rightsp, CAP_MMAP)); for (;;) { error = fget_unlocked_seq(fdp, fd, rightsp, &fp, &seq); if (__predict_false(error != 0)) return (error); if (__predict_false(fp->f_ops == &badfileops)) { fdrop(fp, td); return (EBADF); } if (maxprotp != NULL) fdrights = *cap_rights(fdp, fd); if (!fd_modified(fdp, fd, seq)) break; fdrop(fp, td); } /* * If requested, convert capability rights to access flags. */ if (maxprotp != NULL) *maxprotp = cap_rights_to_vmprot(&fdrights); *fpp = fp; return (0); #endif } int fget_read(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp) { return (_fget(td, fd, fpp, FREAD, rightsp)); } int fget_write(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp) { return (_fget(td, fd, fpp, FWRITE, rightsp)); } int fget_fcntl(struct thread *td, int fd, cap_rights_t *rightsp, int needfcntl, struct file **fpp) { struct filedesc *fdp = td->td_proc->p_fd; #ifndef CAPABILITIES return (fget_unlocked(fdp, fd, rightsp, fpp)); #else struct file *fp; int error; seqc_t seq; *fpp = NULL; MPASS(cap_rights_is_set(rightsp, CAP_FCNTL)); for (;;) { error = fget_unlocked_seq(fdp, fd, rightsp, &fp, &seq); if (error != 0) return (error); error = cap_fcntl_check(fdp, fd, needfcntl); if (!fd_modified(fdp, fd, seq)) break; fdrop(fp, td); } if (error != 0) { fdrop(fp, td); return (error); } *fpp = fp; return (0); #endif } /* * Like fget() but loads the underlying vnode, or returns an error if the * descriptor does not represent a vnode. Note that pipes use vnodes but * never have VM objects. The returned vnode will be vref()'d. * * XXX: what about the unused flags ? */ static __inline int _fgetvp(struct thread *td, int fd, int flags, cap_rights_t *needrightsp, struct vnode **vpp) { struct file *fp; int error; *vpp = NULL; error = _fget(td, fd, &fp, flags, needrightsp); if (error != 0) return (error); if (fp->f_vnode == NULL) { error = EINVAL; } else { *vpp = fp->f_vnode; vrefact(*vpp); } fdrop(fp, td); return (error); } int fgetvp(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp) { return (_fgetvp(td, fd, 0, rightsp, vpp)); } int fgetvp_rights(struct thread *td, int fd, cap_rights_t *needrightsp, struct filecaps *havecaps, struct vnode **vpp) { struct filecaps caps; struct file *fp; int error; error = fget_cap(td, fd, needrightsp, &fp, &caps); if (error != 0) return (error); if (fp->f_ops == &badfileops) { error = EBADF; goto out; } if (fp->f_vnode == NULL) { error = EINVAL; goto out; } *havecaps = caps; *vpp = fp->f_vnode; vrefact(*vpp); fdrop(fp, td); return (0); out: filecaps_free(&caps); fdrop(fp, td); return (error); } int fgetvp_read(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp) { return (_fgetvp(td, fd, FREAD, rightsp, vpp)); } int fgetvp_exec(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp) { return (_fgetvp(td, fd, FEXEC, rightsp, vpp)); } #ifdef notyet int fgetvp_write(struct thread *td, int fd, cap_rights_t *rightsp, struct vnode **vpp) { return (_fgetvp(td, fd, FWRITE, rightsp, vpp)); } #endif /* * Handle the last reference to a file being closed. * * Without the noinline attribute clang keeps inlining the func thorough this * file when fdrop is used. */ int __noinline _fdrop(struct file *fp, struct thread *td) { int error; if (fp->f_count != 0) panic("fdrop: count %d", fp->f_count); error = fo_close(fp, td); atomic_subtract_int(&openfiles, 1); crfree(fp->f_cred); free(fp->f_advice, M_FADVISE); uma_zfree(file_zone, fp); return (error); } /* * Apply an advisory lock on a file descriptor. * * Just attempt to get a record lock of the requested type on the entire file * (l_whence = SEEK_SET, l_start = 0, l_len = 0). */ #ifndef _SYS_SYSPROTO_H_ struct flock_args { int fd; int how; }; #endif /* ARGSUSED */ int sys_flock(struct thread *td, struct flock_args *uap) { struct file *fp; struct vnode *vp; struct flock lf; int error; error = fget(td, uap->fd, &cap_flock_rights, &fp); if (error != 0) return (error); if (fp->f_type != DTYPE_VNODE) { fdrop(fp, td); return (EOPNOTSUPP); } vp = fp->f_vnode; lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; if (uap->how & LOCK_UN) { lf.l_type = F_UNLCK; atomic_clear_int(&fp->f_flag, FHASLOCK); error = VOP_ADVLOCK(vp, (caddr_t)fp, F_UNLCK, &lf, F_FLOCK); goto done2; } if (uap->how & LOCK_EX) lf.l_type = F_WRLCK; else if (uap->how & LOCK_SH) lf.l_type = F_RDLCK; else { error = EBADF; goto done2; } atomic_set_int(&fp->f_flag, FHASLOCK); error = VOP_ADVLOCK(vp, (caddr_t)fp, F_SETLK, &lf, (uap->how & LOCK_NB) ? F_FLOCK : F_FLOCK | F_WAIT); done2: fdrop(fp, td); return (error); } /* * Duplicate the specified descriptor to a free descriptor. */ int dupfdopen(struct thread *td, struct filedesc *fdp, int dfd, int mode, int openerror, int *indxp) { struct filedescent *newfde, *oldfde; struct file *fp; u_long *ioctls; int error, indx; KASSERT(openerror == ENODEV || openerror == ENXIO, ("unexpected error %d in %s", openerror, __func__)); /* * If the to-be-dup'd fd number is greater than the allowed number * of file descriptors, or the fd to be dup'd has already been * closed, then reject. */ FILEDESC_XLOCK(fdp); if ((fp = fget_locked(fdp, dfd)) == NULL) { FILEDESC_XUNLOCK(fdp); return (EBADF); } error = fdalloc(td, 0, &indx); if (error != 0) { FILEDESC_XUNLOCK(fdp); return (error); } /* * There are two cases of interest here. * * For ENODEV simply dup (dfd) to file descriptor (indx) and return. * * For ENXIO steal away the file structure from (dfd) and store it in * (indx). (dfd) is effectively closed by this operation. */ switch (openerror) { case ENODEV: /* * Check that the mode the file is being opened for is a * subset of the mode of the existing descriptor. */ if (((mode & (FREAD|FWRITE)) | fp->f_flag) != fp->f_flag) { fdunused(fdp, indx); FILEDESC_XUNLOCK(fdp); return (EACCES); } if (!fhold(fp)) { fdunused(fdp, indx); FILEDESC_XUNLOCK(fdp); return (EBADF); } newfde = &fdp->fd_ofiles[indx]; oldfde = &fdp->fd_ofiles[dfd]; ioctls = filecaps_copy_prep(&oldfde->fde_caps); #ifdef CAPABILITIES seqc_write_begin(&newfde->fde_seqc); #endif memcpy(newfde, oldfde, fde_change_size); filecaps_copy_finish(&oldfde->fde_caps, &newfde->fde_caps, ioctls); #ifdef CAPABILITIES seqc_write_end(&newfde->fde_seqc); #endif break; case ENXIO: /* * Steal away the file pointer from dfd and stuff it into indx. */ newfde = &fdp->fd_ofiles[indx]; oldfde = &fdp->fd_ofiles[dfd]; #ifdef CAPABILITIES seqc_write_begin(&newfde->fde_seqc); #endif memcpy(newfde, oldfde, fde_change_size); oldfde->fde_file = NULL; fdunused(fdp, dfd); #ifdef CAPABILITIES seqc_write_end(&newfde->fde_seqc); #endif break; } FILEDESC_XUNLOCK(fdp); *indxp = indx; return (0); } /* * This sysctl determines if we will allow a process to chroot(2) if it * has a directory open: * 0: disallowed for all processes. * 1: allowed for processes that were not already chroot(2)'ed. * 2: allowed for all processes. */ static int chroot_allow_open_directories = 1; SYSCTL_INT(_kern, OID_AUTO, chroot_allow_open_directories, CTLFLAG_RW, &chroot_allow_open_directories, 0, "Allow a process to chroot(2) if it has a directory open"); /* * Helper function for raised chroot(2) security function: Refuse if * any filedescriptors are open directories. */ static int chroot_refuse_vdir_fds(struct filedesc *fdp) { struct vnode *vp; struct file *fp; int fd; FILEDESC_LOCK_ASSERT(fdp); for (fd = 0; fd <= fdp->fd_lastfile; fd++) { fp = fget_locked(fdp, fd); if (fp == NULL) continue; if (fp->f_type == DTYPE_VNODE) { vp = fp->f_vnode; if (vp->v_type == VDIR) return (EPERM); } } return (0); } static void pwd_fill(struct pwd *oldpwd, struct pwd *newpwd) { if (newpwd->pwd_cdir == NULL && oldpwd->pwd_cdir != NULL) { vrefact(oldpwd->pwd_cdir); newpwd->pwd_cdir = oldpwd->pwd_cdir; } if (newpwd->pwd_rdir == NULL && oldpwd->pwd_rdir != NULL) { vrefact(oldpwd->pwd_rdir); newpwd->pwd_rdir = oldpwd->pwd_rdir; } if (newpwd->pwd_jdir == NULL && oldpwd->pwd_jdir != NULL) { vrefact(oldpwd->pwd_jdir); newpwd->pwd_jdir = oldpwd->pwd_jdir; } } struct pwd * pwd_hold_filedesc(struct filedesc *fdp) { struct pwd *pwd; FILEDESC_LOCK_ASSERT(fdp); pwd = FILEDESC_LOCKED_LOAD_PWD(fdp); if (pwd != NULL) refcount_acquire(&pwd->pwd_refcount); return (pwd); } struct pwd * pwd_hold(struct thread *td) { struct filedesc *fdp; struct pwd *pwd; fdp = td->td_proc->p_fd; smr_enter(pwd_smr); for (;;) { pwd = smr_entered_load(&fdp->fd_pwd, pwd_smr); MPASS(pwd != NULL); if (refcount_acquire_if_not_zero(&pwd->pwd_refcount)) break; } smr_exit(pwd_smr); return (pwd); } static struct pwd * pwd_alloc(void) { struct pwd *pwd; pwd = uma_zalloc_smr(pwd_zone, M_WAITOK); bzero(pwd, sizeof(*pwd)); refcount_init(&pwd->pwd_refcount, 1); return (pwd); } void pwd_drop(struct pwd *pwd) { if (!refcount_release(&pwd->pwd_refcount)) return; if (pwd->pwd_cdir != NULL) vrele(pwd->pwd_cdir); if (pwd->pwd_rdir != NULL) vrele(pwd->pwd_rdir); if (pwd->pwd_jdir != NULL) vrele(pwd->pwd_jdir); uma_zfree_smr(pwd_zone, pwd); } /* * Common routine for kern_chroot() and jail_attach(). The caller is * responsible for invoking priv_check() and mac_vnode_check_chroot() to * authorize this operation. */ int pwd_chroot(struct thread *td, struct vnode *vp) { struct filedesc *fdp; struct pwd *newpwd, *oldpwd; int error; fdp = td->td_proc->p_fd; newpwd = pwd_alloc(); FILEDESC_XLOCK(fdp); oldpwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); if (chroot_allow_open_directories == 0 || (chroot_allow_open_directories == 1 && oldpwd->pwd_rdir != rootvnode)) { error = chroot_refuse_vdir_fds(fdp); if (error != 0) { FILEDESC_XUNLOCK(fdp); pwd_drop(newpwd); return (error); } } vrefact(vp); newpwd->pwd_rdir = vp; if (oldpwd->pwd_jdir == NULL) { vrefact(vp); newpwd->pwd_jdir = vp; } pwd_fill(oldpwd, newpwd); pwd_set(fdp, newpwd); FILEDESC_XUNLOCK(fdp); pwd_drop(oldpwd); return (0); } void pwd_chdir(struct thread *td, struct vnode *vp) { struct filedesc *fdp; struct pwd *newpwd, *oldpwd; VNPASS(vp->v_usecount > 0, vp); newpwd = pwd_alloc(); fdp = td->td_proc->p_fd; FILEDESC_XLOCK(fdp); oldpwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); newpwd->pwd_cdir = vp; pwd_fill(oldpwd, newpwd); pwd_set(fdp, newpwd); FILEDESC_XUNLOCK(fdp); pwd_drop(oldpwd); } void pwd_ensure_dirs(void) { struct filedesc *fdp; struct pwd *oldpwd, *newpwd; fdp = curproc->p_fd; FILEDESC_XLOCK(fdp); oldpwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); if (oldpwd->pwd_cdir != NULL && oldpwd->pwd_rdir != NULL) { FILEDESC_XUNLOCK(fdp); return; } FILEDESC_XUNLOCK(fdp); newpwd = pwd_alloc(); FILEDESC_XLOCK(fdp); oldpwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); pwd_fill(oldpwd, newpwd); if (newpwd->pwd_cdir == NULL) { vrefact(rootvnode); newpwd->pwd_cdir = rootvnode; } if (newpwd->pwd_rdir == NULL) { vrefact(rootvnode); newpwd->pwd_rdir = rootvnode; } pwd_set(fdp, newpwd); FILEDESC_XUNLOCK(fdp); pwd_drop(oldpwd); } /* * Scan all active processes and prisons to see if any of them have a current * or root directory of `olddp'. If so, replace them with the new mount point. */ void mountcheckdirs(struct vnode *olddp, struct vnode *newdp) { struct filedesc *fdp; struct pwd *newpwd, *oldpwd; struct prison *pr; struct proc *p; int nrele; if (vrefcnt(olddp) == 1) return; nrele = 0; newpwd = pwd_alloc(); sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { PROC_LOCK(p); fdp = fdhold(p); PROC_UNLOCK(p); if (fdp == NULL) continue; FILEDESC_XLOCK(fdp); oldpwd = FILEDESC_XLOCKED_LOAD_PWD(fdp); if (oldpwd == NULL || (oldpwd->pwd_cdir != olddp && oldpwd->pwd_rdir != olddp && oldpwd->pwd_jdir != olddp)) { FILEDESC_XUNLOCK(fdp); fddrop(fdp); continue; } if (oldpwd->pwd_cdir == olddp) { vrefact(newdp); newpwd->pwd_cdir = newdp; } if (oldpwd->pwd_rdir == olddp) { vrefact(newdp); newpwd->pwd_rdir = newdp; } if (oldpwd->pwd_jdir == olddp) { vrefact(newdp); newpwd->pwd_jdir = newdp; } pwd_fill(oldpwd, newpwd); pwd_set(fdp, newpwd); FILEDESC_XUNLOCK(fdp); pwd_drop(oldpwd); fddrop(fdp); newpwd = pwd_alloc(); } sx_sunlock(&allproc_lock); pwd_drop(newpwd); if (rootvnode == olddp) { vrefact(newdp); rootvnode = newdp; nrele++; } mtx_lock(&prison0.pr_mtx); if (prison0.pr_root == olddp) { vrefact(newdp); prison0.pr_root = newdp; nrele++; } mtx_unlock(&prison0.pr_mtx); sx_slock(&allprison_lock); TAILQ_FOREACH(pr, &allprison, pr_list) { mtx_lock(&pr->pr_mtx); if (pr->pr_root == olddp) { vrefact(newdp); pr->pr_root = newdp; nrele++; } mtx_unlock(&pr->pr_mtx); } sx_sunlock(&allprison_lock); while (nrele--) vrele(olddp); } struct filedesc_to_leader * filedesc_to_leader_alloc(struct filedesc_to_leader *old, struct filedesc *fdp, struct proc *leader) { struct filedesc_to_leader *fdtol; fdtol = malloc(sizeof(struct filedesc_to_leader), M_FILEDESC_TO_LEADER, M_WAITOK); fdtol->fdl_refcount = 1; fdtol->fdl_holdcount = 0; fdtol->fdl_wakeup = 0; fdtol->fdl_leader = leader; if (old != NULL) { FILEDESC_XLOCK(fdp); fdtol->fdl_next = old->fdl_next; fdtol->fdl_prev = old; old->fdl_next = fdtol; fdtol->fdl_next->fdl_prev = fdtol; FILEDESC_XUNLOCK(fdp); } else { fdtol->fdl_next = fdtol; fdtol->fdl_prev = fdtol; } return (fdtol); } static int sysctl_kern_proc_nfds(SYSCTL_HANDLER_ARGS) { struct filedesc *fdp; int i, count, slots; if (*(int *)arg1 != 0) return (EINVAL); fdp = curproc->p_fd; count = 0; FILEDESC_SLOCK(fdp); slots = NDSLOTS(fdp->fd_lastfile + 1); for (i = 0; i < slots; i++) count += bitcountl(fdp->fd_map[i]); FILEDESC_SUNLOCK(fdp); return (SYSCTL_OUT(req, &count, sizeof(count))); } static SYSCTL_NODE(_kern_proc, KERN_PROC_NFDS, nfds, CTLFLAG_RD|CTLFLAG_CAPRD|CTLFLAG_MPSAFE, sysctl_kern_proc_nfds, "Number of open file descriptors"); /* * Get file structures globally. */ static int sysctl_kern_file(SYSCTL_HANDLER_ARGS) { struct xfile xf; struct filedesc *fdp; struct file *fp; struct proc *p; int error, n; error = sysctl_wire_old_buffer(req, 0); if (error != 0) return (error); if (req->oldptr == NULL) { n = 0; sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { PROC_LOCK(p); if (p->p_state == PRS_NEW) { PROC_UNLOCK(p); continue; } fdp = fdhold(p); PROC_UNLOCK(p); if (fdp == NULL) continue; /* overestimates sparse tables. */ if (fdp->fd_lastfile > 0) n += fdp->fd_lastfile; fddrop(fdp); } sx_sunlock(&allproc_lock); return (SYSCTL_OUT(req, 0, n * sizeof(xf))); } error = 0; bzero(&xf, sizeof(xf)); xf.xf_size = sizeof(xf); sx_slock(&allproc_lock); FOREACH_PROC_IN_SYSTEM(p) { PROC_LOCK(p); if (p->p_state == PRS_NEW) { PROC_UNLOCK(p); continue; } if (p_cansee(req->td, p) != 0) { PROC_UNLOCK(p); continue; } xf.xf_pid = p->p_pid; xf.xf_uid = p->p_ucred->cr_uid; fdp = fdhold(p); PROC_UNLOCK(p); if (fdp == NULL) continue; FILEDESC_SLOCK(fdp); for (n = 0; fdp->fd_refcnt > 0 && n <= fdp->fd_lastfile; ++n) { if ((fp = fdp->fd_ofiles[n].fde_file) == NULL) continue; xf.xf_fd = n; xf.xf_file = (uintptr_t)fp; xf.xf_data = (uintptr_t)fp->f_data; xf.xf_vnode = (uintptr_t)fp->f_vnode; xf.xf_type = (uintptr_t)fp->f_type; xf.xf_count = fp->f_count; xf.xf_msgcount = 0; xf.xf_offset = foffset_get(fp); xf.xf_flag = fp->f_flag; error = SYSCTL_OUT(req, &xf, sizeof(xf)); if (error) break; } FILEDESC_SUNLOCK(fdp); fddrop(fdp); if (error) break; } sx_sunlock(&allproc_lock); return (error); } SYSCTL_PROC(_kern, KERN_FILE, file, CTLTYPE_OPAQUE|CTLFLAG_RD|CTLFLAG_MPSAFE, 0, 0, sysctl_kern_file, "S,xfile", "Entire file table"); #ifdef KINFO_FILE_SIZE CTASSERT(sizeof(struct kinfo_file) == KINFO_FILE_SIZE); #endif static int xlate_fflags(int fflags) { static const struct { int fflag; int kf_fflag; } fflags_table[] = { { FAPPEND, KF_FLAG_APPEND }, { FASYNC, KF_FLAG_ASYNC }, { FFSYNC, KF_FLAG_FSYNC }, { FHASLOCK, KF_FLAG_HASLOCK }, { FNONBLOCK, KF_FLAG_NONBLOCK }, { FREAD, KF_FLAG_READ }, { FWRITE, KF_FLAG_WRITE }, { O_CREAT, KF_FLAG_CREAT }, { O_DIRECT, KF_FLAG_DIRECT }, { O_EXCL, KF_FLAG_EXCL }, { O_EXEC, KF_FLAG_EXEC }, { O_EXLOCK, KF_FLAG_EXLOCK }, { O_NOFOLLOW, KF_FLAG_NOFOLLOW }, { O_SHLOCK, KF_FLAG_SHLOCK }, { O_TRUNC, KF_FLAG_TRUNC } }; unsigned int i; int kflags; kflags = 0; for (i = 0; i < nitems(fflags_table); i++) if (fflags & fflags_table[i].fflag) kflags |= fflags_table[i].kf_fflag; return (kflags); } /* Trim unused data from kf_path by truncating the structure size. */ void pack_kinfo(struct kinfo_file *kif) { kif->kf_structsize = offsetof(struct kinfo_file, kf_path) + strlen(kif->kf_path) + 1; kif->kf_structsize = roundup(kif->kf_structsize, sizeof(uint64_t)); } static void export_file_to_kinfo(struct file *fp, int fd, cap_rights_t *rightsp, struct kinfo_file *kif, struct filedesc *fdp, int flags) { int error; bzero(kif, sizeof(*kif)); /* Set a default type to allow for empty fill_kinfo() methods. */ kif->kf_type = KF_TYPE_UNKNOWN; kif->kf_flags = xlate_fflags(fp->f_flag); if (rightsp != NULL) kif->kf_cap_rights = *rightsp; else cap_rights_init_zero(&kif->kf_cap_rights); kif->kf_fd = fd; kif->kf_ref_count = fp->f_count; kif->kf_offset = foffset_get(fp); /* * This may drop the filedesc lock, so the 'fp' cannot be * accessed after this call. */ error = fo_fill_kinfo(fp, kif, fdp); if (error == 0) kif->kf_status |= KF_ATTR_VALID; if ((flags & KERN_FILEDESC_PACK_KINFO) != 0) pack_kinfo(kif); else kif->kf_structsize = roundup2(sizeof(*kif), sizeof(uint64_t)); } static void export_vnode_to_kinfo(struct vnode *vp, int fd, int fflags, struct kinfo_file *kif, int flags) { int error; bzero(kif, sizeof(*kif)); kif->kf_type = KF_TYPE_VNODE; error = vn_fill_kinfo_vnode(vp, kif); if (error == 0) kif->kf_status |= KF_ATTR_VALID; kif->kf_flags = xlate_fflags(fflags); cap_rights_init_zero(&kif->kf_cap_rights); kif->kf_fd = fd; kif->kf_ref_count = -1; kif->kf_offset = -1; if ((flags & KERN_FILEDESC_PACK_KINFO) != 0) pack_kinfo(kif); else kif->kf_structsize = roundup2(sizeof(*kif), sizeof(uint64_t)); vrele(vp); } struct export_fd_buf { struct filedesc *fdp; struct sbuf *sb; ssize_t remainder; struct kinfo_file kif; int flags; }; static int export_kinfo_to_sb(struct export_fd_buf *efbuf) { struct kinfo_file *kif; kif = &efbuf->kif; if (efbuf->remainder != -1) { if (efbuf->remainder < kif->kf_structsize) { /* Terminate export. */ efbuf->remainder = 0; return (0); } efbuf->remainder -= kif->kf_structsize; } return (sbuf_bcat(efbuf->sb, kif, kif->kf_structsize) == 0 ? 0 : ENOMEM); } static int export_file_to_sb(struct file *fp, int fd, cap_rights_t *rightsp, struct export_fd_buf *efbuf) { int error; if (efbuf->remainder == 0) return (0); export_file_to_kinfo(fp, fd, rightsp, &efbuf->kif, efbuf->fdp, efbuf->flags); FILEDESC_SUNLOCK(efbuf->fdp); error = export_kinfo_to_sb(efbuf); FILEDESC_SLOCK(efbuf->fdp); return (error); } static int export_vnode_to_sb(struct vnode *vp, int fd, int fflags, struct export_fd_buf *efbuf) { int error; if (efbuf->remainder == 0) return (0); if (efbuf->fdp != NULL) FILEDESC_SUNLOCK(efbuf->fdp); export_vnode_to_kinfo(vp, fd, fflags, &efbuf->kif, efbuf->flags); error = export_kinfo_to_sb(efbuf); if (efbuf->fdp != NULL) FILEDESC_SLOCK(efbuf->fdp); return (error); } /* * Store a process file descriptor information to sbuf. * * Takes a locked proc as argument, and returns with the proc unlocked. */ int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, int flags) { struct file *fp; struct filedesc *fdp; struct export_fd_buf *efbuf; struct vnode *cttyvp, *textvp, *tracevp; struct pwd *pwd; int error, i; cap_rights_t rights; PROC_LOCK_ASSERT(p, MA_OWNED); /* ktrace vnode */ tracevp = p->p_tracevp; if (tracevp != NULL) vrefact(tracevp); /* text vnode */ textvp = p->p_textvp; if (textvp != NULL) vrefact(textvp); /* Controlling tty. */ cttyvp = NULL; if (p->p_pgrp != NULL && p->p_pgrp->pg_session != NULL) { cttyvp = p->p_pgrp->pg_session->s_ttyvp; if (cttyvp != NULL) vrefact(cttyvp); } fdp = fdhold(p); PROC_UNLOCK(p); efbuf = malloc(sizeof(*efbuf), M_TEMP, M_WAITOK); efbuf->fdp = NULL; efbuf->sb = sb; efbuf->remainder = maxlen; efbuf->flags = flags; if (tracevp != NULL) export_vnode_to_sb(tracevp, KF_FD_TYPE_TRACE, FREAD | FWRITE, efbuf); if (textvp != NULL) export_vnode_to_sb(textvp, KF_FD_TYPE_TEXT, FREAD, efbuf); if (cttyvp != NULL) export_vnode_to_sb(cttyvp, KF_FD_TYPE_CTTY, FREAD | FWRITE, efbuf); error = 0; if (fdp == NULL) goto fail; efbuf->fdp = fdp; FILEDESC_SLOCK(fdp); pwd = pwd_hold_filedesc(fdp); if (pwd != NULL) { /* working directory */ if (pwd->pwd_cdir != NULL) { vrefact(pwd->pwd_cdir); export_vnode_to_sb(pwd->pwd_cdir, KF_FD_TYPE_CWD, FREAD, efbuf); } /* root directory */ if (pwd->pwd_rdir != NULL) { vrefact(pwd->pwd_rdir); export_vnode_to_sb(pwd->pwd_rdir, KF_FD_TYPE_ROOT, FREAD, efbuf); } /* jail directory */ if (pwd->pwd_jdir != NULL) { vrefact(pwd->pwd_jdir); export_vnode_to_sb(pwd->pwd_jdir, KF_FD_TYPE_JAIL, FREAD, efbuf); } pwd_drop(pwd); } for (i = 0; fdp->fd_refcnt > 0 && i <= fdp->fd_lastfile; i++) { if ((fp = fdp->fd_ofiles[i].fde_file) == NULL) continue; #ifdef CAPABILITIES rights = *cap_rights(fdp, i); #else /* !CAPABILITIES */ rights = cap_no_rights; #endif /* * Create sysctl entry. It is OK to drop the filedesc * lock inside of export_file_to_sb() as we will * re-validate and re-evaluate its properties when the * loop continues. */ error = export_file_to_sb(fp, i, &rights, efbuf); if (error != 0 || efbuf->remainder == 0) break; } FILEDESC_SUNLOCK(fdp); fddrop(fdp); fail: free(efbuf, M_TEMP); return (error); } #define FILEDESC_SBUF_SIZE (sizeof(struct kinfo_file) * 5) /* * Get per-process file descriptors for use by procstat(1), et al. */ static int sysctl_kern_proc_filedesc(SYSCTL_HANDLER_ARGS) { struct sbuf sb; struct proc *p; ssize_t maxlen; int error, error2, *name; name = (int *)arg1; sbuf_new_for_sysctl(&sb, NULL, FILEDESC_SBUF_SIZE, req); sbuf_clear_flags(&sb, SBUF_INCLUDENUL); error = pget((pid_t)name[0], PGET_CANDEBUG | PGET_NOTWEXIT, &p); if (error != 0) { sbuf_delete(&sb); return (error); } maxlen = req->oldptr != NULL ? req->oldlen : -1; error = kern_proc_filedesc_out(p, &sb, maxlen, KERN_FILEDESC_PACK_KINFO); error2 = sbuf_finish(&sb); sbuf_delete(&sb); return (error != 0 ? error : error2); } #ifdef COMPAT_FREEBSD7 #ifdef KINFO_OFILE_SIZE CTASSERT(sizeof(struct kinfo_ofile) == KINFO_OFILE_SIZE); #endif static void kinfo_to_okinfo(struct kinfo_file *kif, struct kinfo_ofile *okif) { okif->kf_structsize = sizeof(*okif); okif->kf_type = kif->kf_type; okif->kf_fd = kif->kf_fd; okif->kf_ref_count = kif->kf_ref_count; okif->kf_flags = kif->kf_flags & (KF_FLAG_READ | KF_FLAG_WRITE | KF_FLAG_APPEND | KF_FLAG_ASYNC | KF_FLAG_FSYNC | KF_FLAG_NONBLOCK | KF_FLAG_DIRECT | KF_FLAG_HASLOCK); okif->kf_offset = kif->kf_offset; if (kif->kf_type == KF_TYPE_VNODE) okif->kf_vnode_type = kif->kf_un.kf_file.kf_file_type; else okif->kf_vnode_type = KF_VTYPE_VNON; strlcpy(okif->kf_path, kif->kf_path, sizeof(okif->kf_path)); if (kif->kf_type == KF_TYPE_SOCKET) { okif->kf_sock_domain = kif->kf_un.kf_sock.kf_sock_domain0; okif->kf_sock_type = kif->kf_un.kf_sock.kf_sock_type0; okif->kf_sock_protocol = kif->kf_un.kf_sock.kf_sock_protocol0; okif->kf_sa_local = kif->kf_un.kf_sock.kf_sa_local; okif->kf_sa_peer = kif->kf_un.kf_sock.kf_sa_peer; } else { okif->kf_sa_local.ss_family = AF_UNSPEC; okif->kf_sa_peer.ss_family = AF_UNSPEC; } } static int export_vnode_for_osysctl(struct vnode *vp, int type, struct kinfo_file *kif, struct kinfo_ofile *okif, struct filedesc *fdp, struct sysctl_req *req) { int error; vrefact(vp); FILEDESC_SUNLOCK(fdp); export_vnode_to_kinfo(vp, type, 0, kif, KERN_FILEDESC_PACK_KINFO); kinfo_to_okinfo(kif, okif); error = SYSCTL_OUT(req, okif, sizeof(*okif)); FILEDESC_SLOCK(fdp); return (error); } /* * Get per-process file descriptors for use by procstat(1), et al. */ static int sysctl_kern_proc_ofiledesc(SYSCTL_HANDLER_ARGS) { struct kinfo_ofile *okif; struct kinfo_file *kif; struct filedesc *fdp; struct pwd *pwd; int error, i, *name; struct file *fp; struct proc *p; name = (int *)arg1; error = pget((pid_t)name[0], PGET_CANDEBUG | PGET_NOTWEXIT, &p); if (error != 0) return (error); fdp = fdhold(p); PROC_UNLOCK(p); if (fdp == NULL) return (ENOENT); kif = malloc(sizeof(*kif), M_TEMP, M_WAITOK); okif = malloc(sizeof(*okif), M_TEMP, M_WAITOK); FILEDESC_SLOCK(fdp); pwd = pwd_hold_filedesc(fdp); if (pwd != NULL) { if (pwd->pwd_cdir != NULL) export_vnode_for_osysctl(pwd->pwd_cdir, KF_FD_TYPE_CWD, kif, okif, fdp, req); if (pwd->pwd_rdir != NULL) export_vnode_for_osysctl(pwd->pwd_rdir, KF_FD_TYPE_ROOT, kif, okif, fdp, req); if (pwd->pwd_jdir != NULL) export_vnode_for_osysctl(pwd->pwd_jdir, KF_FD_TYPE_JAIL, kif, okif, fdp, req); pwd_drop(pwd); } for (i = 0; fdp->fd_refcnt > 0 && i <= fdp->fd_lastfile; i++) { if ((fp = fdp->fd_ofiles[i].fde_file) == NULL) continue; export_file_to_kinfo(fp, i, NULL, kif, fdp, KERN_FILEDESC_PACK_KINFO); FILEDESC_SUNLOCK(fdp); kinfo_to_okinfo(kif, okif); error = SYSCTL_OUT(req, okif, sizeof(*okif)); FILEDESC_SLOCK(fdp); if (error) break; } FILEDESC_SUNLOCK(fdp); fddrop(fdp); free(kif, M_TEMP); free(okif, M_TEMP); return (0); } static SYSCTL_NODE(_kern_proc, KERN_PROC_OFILEDESC, ofiledesc, CTLFLAG_RD|CTLFLAG_MPSAFE, sysctl_kern_proc_ofiledesc, "Process ofiledesc entries"); #endif /* COMPAT_FREEBSD7 */ int vntype_to_kinfo(int vtype) { struct { int vtype; int kf_vtype; } vtypes_table[] = { { VBAD, KF_VTYPE_VBAD }, { VBLK, KF_VTYPE_VBLK }, { VCHR, KF_VTYPE_VCHR }, { VDIR, KF_VTYPE_VDIR }, { VFIFO, KF_VTYPE_VFIFO }, { VLNK, KF_VTYPE_VLNK }, { VNON, KF_VTYPE_VNON }, { VREG, KF_VTYPE_VREG }, { VSOCK, KF_VTYPE_VSOCK } }; unsigned int i; /* * Perform vtype translation. */ for (i = 0; i < nitems(vtypes_table); i++) if (vtypes_table[i].vtype == vtype) return (vtypes_table[i].kf_vtype); return (KF_VTYPE_UNKNOWN); } static SYSCTL_NODE(_kern_proc, KERN_PROC_FILEDESC, filedesc, CTLFLAG_RD|CTLFLAG_MPSAFE, sysctl_kern_proc_filedesc, "Process filedesc entries"); /* * Store a process current working directory information to sbuf. * * Takes a locked proc as argument, and returns with the proc unlocked. */ int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen) { struct filedesc *fdp; struct pwd *pwd; struct export_fd_buf *efbuf; struct vnode *cdir; int error; PROC_LOCK_ASSERT(p, MA_OWNED); fdp = fdhold(p); PROC_UNLOCK(p); if (fdp == NULL) return (EINVAL); efbuf = malloc(sizeof(*efbuf), M_TEMP, M_WAITOK); efbuf->fdp = fdp; efbuf->sb = sb; efbuf->remainder = maxlen; FILEDESC_SLOCK(fdp); pwd = FILEDESC_LOCKED_LOAD_PWD(fdp); cdir = pwd->pwd_cdir; if (cdir == NULL) { error = EINVAL; } else { vrefact(cdir); error = export_vnode_to_sb(cdir, KF_FD_TYPE_CWD, FREAD, efbuf); } FILEDESC_SUNLOCK(fdp); fddrop(fdp); free(efbuf, M_TEMP); return (error); } /* * Get per-process current working directory. */ static int sysctl_kern_proc_cwd(SYSCTL_HANDLER_ARGS) { struct sbuf sb; struct proc *p; ssize_t maxlen; int error, error2, *name; name = (int *)arg1; sbuf_new_for_sysctl(&sb, NULL, sizeof(struct kinfo_file), req); sbuf_clear_flags(&sb, SBUF_INCLUDENUL); error = pget((pid_t)name[0], PGET_CANDEBUG | PGET_NOTWEXIT, &p); if (error != 0) { sbuf_delete(&sb); return (error); } maxlen = req->oldptr != NULL ? req->oldlen : -1; error = kern_proc_cwd_out(p, &sb, maxlen); error2 = sbuf_finish(&sb); sbuf_delete(&sb); return (error != 0 ? error : error2); } static SYSCTL_NODE(_kern_proc, KERN_PROC_CWD, cwd, CTLFLAG_RD|CTLFLAG_MPSAFE, sysctl_kern_proc_cwd, "Process current working directory"); #ifdef DDB /* * For the purposes of debugging, generate a human-readable string for the * file type. */ static const char * file_type_to_name(short type) { switch (type) { case 0: return ("zero"); case DTYPE_VNODE: return ("vnode"); case DTYPE_SOCKET: return ("socket"); case DTYPE_PIPE: return ("pipe"); case DTYPE_FIFO: return ("fifo"); case DTYPE_KQUEUE: return ("kqueue"); case DTYPE_CRYPTO: return ("crypto"); case DTYPE_MQUEUE: return ("mqueue"); case DTYPE_SHM: return ("shm"); case DTYPE_SEM: return ("ksem"); case DTYPE_PTS: return ("pts"); case DTYPE_DEV: return ("dev"); case DTYPE_PROCDESC: return ("proc"); case DTYPE_LINUXEFD: return ("levent"); case DTYPE_LINUXTFD: return ("ltimer"); default: return ("unkn"); } } /* * For the purposes of debugging, identify a process (if any, perhaps one of * many) that references the passed file in its file descriptor array. Return * NULL if none. */ static struct proc * file_to_first_proc(struct file *fp) { struct filedesc *fdp; struct proc *p; int n; FOREACH_PROC_IN_SYSTEM(p) { if (p->p_state == PRS_NEW) continue; fdp = p->p_fd; if (fdp == NULL) continue; for (n = 0; n <= fdp->fd_lastfile; n++) { if (fp == fdp->fd_ofiles[n].fde_file) return (p); } } return (NULL); } static void db_print_file(struct file *fp, int header) { #define XPTRWIDTH ((int)howmany(sizeof(void *) * NBBY, 4)) struct proc *p; if (header) db_printf("%*s %6s %*s %8s %4s %5s %6s %*s %5s %s\n", XPTRWIDTH, "File", "Type", XPTRWIDTH, "Data", "Flag", "GCFl", "Count", "MCount", XPTRWIDTH, "Vnode", "FPID", "FCmd"); p = file_to_first_proc(fp); db_printf("%*p %6s %*p %08x %04x %5d %6d %*p %5d %s\n", XPTRWIDTH, fp, file_type_to_name(fp->f_type), XPTRWIDTH, fp->f_data, fp->f_flag, 0, fp->f_count, 0, XPTRWIDTH, fp->f_vnode, p != NULL ? p->p_pid : -1, p != NULL ? p->p_comm : "-"); #undef XPTRWIDTH } DB_SHOW_COMMAND(file, db_show_file) { struct file *fp; if (!have_addr) { db_printf("usage: show file \n"); return; } fp = (struct file *)addr; db_print_file(fp, 1); } DB_SHOW_COMMAND(files, db_show_files) { struct filedesc *fdp; struct file *fp; struct proc *p; int header; int n; header = 1; FOREACH_PROC_IN_SYSTEM(p) { if (p->p_state == PRS_NEW) continue; if ((fdp = p->p_fd) == NULL) continue; for (n = 0; n <= fdp->fd_lastfile; ++n) { if ((fp = fdp->fd_ofiles[n].fde_file) == NULL) continue; db_print_file(fp, header); header = 0; } } } #endif SYSCTL_INT(_kern, KERN_MAXFILESPERPROC, maxfilesperproc, CTLFLAG_RW, &maxfilesperproc, 0, "Maximum files allowed open per process"); SYSCTL_INT(_kern, KERN_MAXFILES, maxfiles, CTLFLAG_RW, &maxfiles, 0, "Maximum number of files"); SYSCTL_INT(_kern, OID_AUTO, openfiles, CTLFLAG_RD, &openfiles, 0, "System-wide number of open files"); /* ARGSUSED*/ static void filelistinit(void *dummy) { file_zone = uma_zcreate("Files", sizeof(struct file), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); filedesc0_zone = uma_zcreate("filedesc0", sizeof(struct filedesc0), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); pwd_zone = uma_zcreate("PWD", sizeof(struct pwd), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_SMR); pwd_smr = uma_zone_get_smr(pwd_zone); mtx_init(&sigio_lock, "sigio lock", NULL, MTX_DEF); } SYSINIT(select, SI_SUB_LOCK, SI_ORDER_FIRST, filelistinit, NULL); /*-------------------------------------------------------------------*/ static int badfo_readwrite(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { return (EBADF); } static int badfo_truncate(struct file *fp, off_t length, struct ucred *active_cred, struct thread *td) { return (EINVAL); } static int badfo_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred, struct thread *td) { return (EBADF); } static int badfo_poll(struct file *fp, int events, struct ucred *active_cred, struct thread *td) { return (0); } static int badfo_kqfilter(struct file *fp, struct knote *kn) { return (EBADF); } static int badfo_stat(struct file *fp, struct stat *sb, struct ucred *active_cred, struct thread *td) { return (EBADF); } static int badfo_close(struct file *fp, struct thread *td) { return (0); } static int badfo_chmod(struct file *fp, mode_t mode, struct ucred *active_cred, struct thread *td) { return (EBADF); } static int badfo_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred, struct thread *td) { return (EBADF); } static int badfo_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio, struct uio *trl_uio, off_t offset, size_t nbytes, off_t *sent, int flags, struct thread *td) { return (EBADF); } static int badfo_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp) { return (0); } struct fileops badfileops = { .fo_read = badfo_readwrite, .fo_write = badfo_readwrite, .fo_truncate = badfo_truncate, .fo_ioctl = badfo_ioctl, .fo_poll = badfo_poll, .fo_kqfilter = badfo_kqfilter, .fo_stat = badfo_stat, .fo_close = badfo_close, .fo_chmod = badfo_chmod, .fo_chown = badfo_chown, .fo_sendfile = badfo_sendfile, .fo_fill_kinfo = badfo_fill_kinfo, }; int invfo_rdwr(struct file *fp, struct uio *uio, struct ucred *active_cred, int flags, struct thread *td) { return (EOPNOTSUPP); } int invfo_truncate(struct file *fp, off_t length, struct ucred *active_cred, struct thread *td) { return (EINVAL); } int invfo_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred, struct thread *td) { return (ENOTTY); } int invfo_poll(struct file *fp, int events, struct ucred *active_cred, struct thread *td) { return (poll_no_poll(events)); } int invfo_kqfilter(struct file *fp, struct knote *kn) { return (EINVAL); } int invfo_chmod(struct file *fp, mode_t mode, struct ucred *active_cred, struct thread *td) { return (EINVAL); } int invfo_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred, struct thread *td) { return (EINVAL); } int invfo_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio, struct uio *trl_uio, off_t offset, size_t nbytes, off_t *sent, int flags, struct thread *td) { return (EINVAL); } /*-------------------------------------------------------------------*/ /* * File Descriptor pseudo-device driver (/dev/fd/). * * Opening minor device N dup()s the file (if any) connected to file * descriptor N belonging to the calling process. Note that this driver * consists of only the ``open()'' routine, because all subsequent * references to this file will be direct to the other driver. * * XXX: we could give this one a cloning event handler if necessary. */ /* ARGSUSED */ static int fdopen(struct cdev *dev, int mode, int type, struct thread *td) { /* * XXX Kludge: set curthread->td_dupfd to contain the value of the * the file descriptor being sought for duplication. The error * return ensures that the vnode for this device will be released * by vn_open. Open will detect this special error and take the * actions in dupfdopen below. Other callers of vn_open or VOP_OPEN * will simply report the error. */ td->td_dupfd = dev2unit(dev); return (ENODEV); } static struct cdevsw fildesc_cdevsw = { .d_version = D_VERSION, .d_open = fdopen, .d_name = "FD", }; static void fildesc_drvinit(void *unused) { struct cdev *dev; dev = make_dev_credf(MAKEDEV_ETERNAL, &fildesc_cdevsw, 0, NULL, UID_ROOT, GID_WHEEL, 0666, "fd/0"); make_dev_alias(dev, "stdin"); dev = make_dev_credf(MAKEDEV_ETERNAL, &fildesc_cdevsw, 1, NULL, UID_ROOT, GID_WHEEL, 0666, "fd/1"); make_dev_alias(dev, "stdout"); dev = make_dev_credf(MAKEDEV_ETERNAL, &fildesc_cdevsw, 2, NULL, UID_ROOT, GID_WHEEL, 0666, "fd/2"); make_dev_alias(dev, "stderr"); } SYSINIT(fildescdev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, fildesc_drvinit, NULL); Index: head/sys/kern/syscalls.master =================================================================== --- head/sys/kern/syscalls.master (revision 359929) +++ head/sys/kern/syscalls.master (revision 359930) @@ -1,3240 +1,3240 @@ $FreeBSD$ ; from: @(#)syscalls.master 8.2 (Berkeley) 1/13/94 ; ; System call name/number master file. ; Processed to created init_sysent.c, syscalls.c and syscall.h. ; Columns: number audit type name alt{name,tag,rtyp}/comments ; number system call number, must be in order ; audit the audit event associated with the system call ; A value of AUE_NULL means no auditing, but it also means that ; there is no audit event for the call at this time. For the ; case where the event exists, but we don't want auditing, the ; event should be #defined to AUE_NULL in audit_kevents.h. ; type one of STD, OBSOL, UNIMPL, COMPAT, COMPAT4, COMPAT6, ; COMPAT7, COMPAT11, COMPAT12, NODEF, NOARGS, NOPROTO, NOSTD ; The COMPAT* options may be combined with one or more NO* ; options separated by '|' with no spaces (e.g. COMPAT|NOARGS) ; name pseudo-prototype of syscall routine ; If one of the following alts is different, then all appear: ; altname name of system call if different ; alttag name of args struct tag if different from [o]`name'"_args" ; altrtyp return type if not int (bogus - syscalls always return int) ; for UNIMPL/OBSOL, name continues with comments ; types: ; STD always included ; COMPAT included on COMPAT #ifdef ; COMPAT4 included on COMPAT_FREEBSD4 #ifdef (FreeBSD 4 compat) ; COMPAT6 included on COMPAT_FREEBSD6 #ifdef (FreeBSD 6 compat) ; COMPAT7 included on COMPAT_FREEBSD7 #ifdef (FreeBSD 7 compat) ; COMPAT10 included on COMPAT_FREEBSD10 #ifdef (FreeBSD 10 compat) ; COMPAT11 included on COMPAT_FREEBSD11 #ifdef (FreeBSD 11 compat) ; COMPAT12 included on COMPAT_FREEBSD12 #ifdef (FreeBSD 12 compat) ; OBSOL obsolete, not included in system, only specifies name ; UNIMPL not implemented, placeholder only ; NOSTD implemented but as a lkm that can be statically ; compiled in; sysent entry will be filled with lkmressys ; so the SYSCALL_MODULE macro works ; NOARGS same as STD except do not create structure in sys/sysproto.h ; NODEF same as STD except only have the entry in the syscall table ; added. Meaning - do not create structure or function ; prototype in sys/sysproto.h ; NOPROTO same as STD except do not create structure or ; function prototype in sys/sysproto.h. Does add a ; definition to syscall.h besides adding a sysent. ; NOTSTATIC syscall is loadable ; annotations: ; SAL 2.0 annotations are used to specify how system calls treat ; arguments that are passed using pointers. There are three basic ; annotations. ; ; _In_ Object pointed to will be read and not modified. ; _Out_ Object pointed to will be written and not read. ; _Inout_ Object pointed to will be written and read. ; ; These annotations are used alone when the pointer refers to a single ; object i.e. scalar types, structs, and pointers, and not NULL. Adding ; the _opt_ suffix, e.g. _In_opt_, implies that the pointer may also ; refer to NULL. ; ; For pointers to arrays, additional suffixes are added: ; ; _In_z_, _Out_z_, _Inout_z_: ; for a NUL terminated array e.g. a string. ; _In_reads_z_(n),_Out_writes_z_(n), _Inout_updates_z_(n): ; for a NUL terminated array e.g. a string, of known length n bytes. ; _In_reads_(n),_Out_writes_(n),_Inout_updates_(n): ; for an array of n elements. ; _In_reads_bytes_(n), _Out_writes_bytes_(n), _Inout_updates_bytes(n): ; for a buffer of n-bytes. ; Please copy any additions and changes to the following compatability tables: ; sys/compat/freebsd32/syscalls.master ; #ifdef's, etc. may be included, and are copied to the output files. #include #include #include ; Reserved/unimplemented system calls in the range 0-150 inclusive ; are reserved for use in future Berkeley releases. ; Additional system calls implemented in vendor and other ; redistributions should be placed in the reserved range at the end ; of the current calls. 0 AUE_NULL STD { int nosys(void); } syscall nosys_args int 1 AUE_EXIT STD { void sys_exit( int rval ); } exit sys_exit_args void 2 AUE_FORK STD { int fork(void); } 3 AUE_READ STD { ssize_t read( int fd, _Out_writes_bytes_(nbyte) void *buf, size_t nbyte ); } 4 AUE_WRITE STD { ssize_t write( int fd, _In_reads_bytes_(nbyte) const void *buf, size_t nbyte ); } 5 AUE_OPEN_RWTC STD { int open( _In_z_ const char *path, int flags, mode_t mode ); } ; XXX should be { int open(const char *path, int flags, ...); } ; but we're not ready for varargs. 6 AUE_CLOSE STD { int close( int fd ); } 7 AUE_WAIT4 STD { int wait4( int pid, _Out_opt_ int *status, int options, _Out_opt_ struct rusage *rusage ); } 8 AUE_CREAT COMPAT { int creat( _In_z_ const char *path, int mode ); } 9 AUE_LINK STD { int link( _In_z_ const char *path, _In_z_ const char *link ); } 10 AUE_UNLINK STD { int unlink( _In_z_ const char *path ); } 11 AUE_NULL OBSOL execv 12 AUE_CHDIR STD { int chdir( _In_z_ const char *path ); } 13 AUE_FCHDIR STD { int fchdir( int fd ); } 14 AUE_MKNOD COMPAT11 { int mknod( _In_z_ const char *path, int mode, uint32_t dev ); } 15 AUE_CHMOD STD { int chmod( _In_z_ const char *path, mode_t mode ); } 16 AUE_CHOWN STD { int chown( _In_z_ const char *path, int uid, int gid ); } 17 AUE_NULL STD { void *break( _In_ char *nsize ); } 18 AUE_GETFSSTAT COMPAT4 { int getfsstat( _Out_writes_bytes_opt_(bufsize) struct ostatfs *buf, long bufsize, int mode ); } 19 AUE_LSEEK COMPAT { long lseek( int fd, long offset, int whence ); } 20 AUE_GETPID STD { pid_t getpid(void); } 21 AUE_MOUNT STD { int mount( _In_z_ const char *type, _In_z_ const char *path, int flags, _In_opt_ void *data ); } 22 AUE_UMOUNT STD { int unmount( _In_z_ const char *path, int flags ); } 23 AUE_SETUID STD { int setuid( uid_t uid ); } 24 AUE_GETUID STD { uid_t getuid(void); } 25 AUE_GETEUID STD { uid_t geteuid(void); } 26 AUE_PTRACE STD { int ptrace( int req, pid_t pid, _Inout_opt_ caddr_t addr, int data ); } 27 AUE_RECVMSG STD { int recvmsg( int s, _Inout_ struct msghdr *msg, int flags ); } 28 AUE_SENDMSG STD { int sendmsg( int s, _In_ struct msghdr *msg, int flags ); } 29 AUE_RECVFROM STD { int recvfrom( int s, _Out_writes_bytes_(len) void *buf, size_t len, int flags, _Out_writes_bytes_opt_(*fromlenaddr) struct sockaddr *from, _Inout_opt_ __socklen_t *fromlenaddr ); } 30 AUE_ACCEPT STD { int accept( int s, _Out_writes_bytes_opt_(*anamelen) struct sockaddr *name, _Inout_opt_ __socklen_t *anamelen ); } 31 AUE_GETPEERNAME STD { int getpeername( int fdes, _Out_writes_bytes_(*alen) struct sockaddr *asa, _Inout_opt_ __socklen_t *alen ); } 32 AUE_GETSOCKNAME STD { int getsockname( int fdes, _Out_writes_bytes_(*alen) struct sockaddr *asa, _Inout_ __socklen_t *alen ); } 33 AUE_ACCESS STD { int access( _In_z_ const char *path, int amode ); } 34 AUE_CHFLAGS STD { int chflags( _In_z_ const char *path, u_long flags ); } 35 AUE_FCHFLAGS STD { int fchflags( int fd, u_long flags ); } 36 AUE_SYNC STD { int sync(void); } 37 AUE_KILL STD { int kill( int pid, int signum ); } 38 AUE_STAT COMPAT { int stat( _In_z_ const char *path, _Out_ struct ostat *ub ); } 39 AUE_GETPPID STD { pid_t getppid(void); } 40 AUE_LSTAT COMPAT { int lstat( _In_z_ const char *path, _Out_ struct ostat *ub ); } 41 AUE_DUP STD { int dup( u_int fd ); } 42 AUE_PIPE COMPAT10 { int pipe(void); } 43 AUE_GETEGID STD { gid_t getegid(void); } 44 AUE_PROFILE STD { int profil( _Out_writes_bytes_(size) char *samples, size_t size, size_t offset, u_int scale ); } 45 AUE_KTRACE STD { int ktrace( _In_z_ const char *fname, int ops, int facs, int pid ); } 46 AUE_SIGACTION COMPAT { int sigaction( int signum, _In_opt_ struct osigaction *nsa, _Out_opt_ struct osigaction *osa ); } 47 AUE_GETGID STD { gid_t getgid(void); } 48 AUE_SIGPROCMASK COMPAT { int sigprocmask( int how, osigset_t mask ); } ; XXX note nonstandard (bogus) calling convention - the libc stub passes ; us the mask, not a pointer to it, and we return the old mask as the ; (int) return value. 49 AUE_GETLOGIN STD { int getlogin( _Out_writes_z_(namelen) char *namebuf, u_int namelen ); } 50 AUE_SETLOGIN STD { int setlogin( _In_z_ const char *namebuf ); } 51 AUE_ACCT STD { int acct( _In_z_ const char *path ); } 52 AUE_SIGPENDING COMPAT { int sigpending(void); } 53 AUE_SIGALTSTACK STD { int sigaltstack( _In_opt_ stack_t *ss, _Out_opt_ stack_t *oss ); } 54 AUE_IOCTL STD { int ioctl( int fd, u_long com, _Inout_opt_ char *data ); } 55 AUE_REBOOT STD { int reboot( int opt ); } 56 AUE_REVOKE STD { int revoke( _In_z_ const char *path ); } 57 AUE_SYMLINK STD { int symlink( _In_z_ const char *path, _In_z_ const char *link ); } 58 AUE_READLINK STD { ssize_t readlink( _In_z_ const char *path, _Out_writes_z_(count) char *buf, size_t count ); } 59 AUE_EXECVE STD { int execve( _In_z_ const char *fname, _In_z_ char **argv, _In_z_ char **envv ); } 60 AUE_UMASK STD { int umask( mode_t newmask ); } 61 AUE_CHROOT STD { int chroot( _In_z_ const char *path ); } 62 AUE_FSTAT COMPAT { int fstat( int fd, _Out_ struct ostat *sb ); } 63 AUE_NULL COMPAT { int getkerninfo( int op, _Out_writes_bytes_opt( *size) char *where, _Inout_opt_ size_t *size, int arg ); } 64 AUE_NULL COMPAT { int getpagesize(void); } 65 AUE_MSYNC STD { int msync( _In_ void *addr, size_t len, int flags ); } 66 AUE_VFORK STD { int vfork(void); } 67 AUE_NULL OBSOL vread 68 AUE_NULL OBSOL vwrite 69 AUE_SBRK STD { int sbrk( int incr ); } 70 AUE_SSTK STD { int sstk( int incr ); } 71 AUE_MMAP COMPAT { void *mmap( _In_ void *addr, int len, int prot, int flags, int fd, long pos ); } 72 AUE_O_VADVISE COMPAT11 { int vadvise( int anom ); } 73 AUE_MUNMAP STD { int munmap( _In_ void *addr, size_t len ); } 74 AUE_MPROTECT STD { int mprotect( _In_ void *addr, size_t len, int prot ); } 75 AUE_MADVISE STD { int madvise( _In_ void *addr, size_t len, int behav ); } 76 AUE_NULL OBSOL vhangup 77 AUE_NULL OBSOL vlimit 78 AUE_MINCORE STD { int mincore( _In_ const void *addr, size_t len, _Out_writes_bytes_(len/PAGE_SIZE) char *vec ); } 79 AUE_GETGROUPS STD { int getgroups( u_int gidsetsize, _Out_writes_opt_(gidsetsize) gid_t *gidset ); } 80 AUE_SETGROUPS STD { int setgroups( u_int gidsetsize, _In_reads_(gidsetsize) gid_t *gidset ); } 81 AUE_GETPGRP STD { int getpgrp(void); } 82 AUE_SETPGRP STD { int setpgid( int pid, int pgid ); } 83 AUE_SETITIMER STD { int setitimer( u_int which, _In_ struct itimerval *itv, _Out_opt_ struct itimerval *oitv ); } 84 AUE_WAIT4 COMPAT { int wait(void); } 85 AUE_SWAPON STD { int swapon( _In_z_ const char *name ); } 86 AUE_GETITIMER STD { int getitimer( u_int which, _Out_ struct itimerval *itv ); } 87 AUE_SYSCTL COMPAT { int gethostname( _Out_writes_z_(len) char *hostname, u_int len ); } 88 AUE_SYSCTL COMPAT { int sethostname( _In_reads_z_(len) char *hostname, u_int len ); } 89 AUE_GETDTABLESIZE STD { int getdtablesize(void); } 90 AUE_DUP2 STD { int dup2( u_int from, u_int to ); } 91 AUE_NULL UNIMPL getdopt 92 AUE_FCNTL STD { int fcntl( int fd, int cmd, long arg ); } ; XXX should be { int fcntl(int fd, int cmd, ...); } ; but we're not ready for varargs. 93 AUE_SELECT STD { int select( int nd, _Inout_opt_ fd_set *in, _Inout_opt_ fd_set *ou, _Inout_opt_ fd_set *ex, _In_opt_ struct timeval *tv ); } 94 AUE_NULL UNIMPL setdopt 95 AUE_FSYNC STD { int fsync( int fd ); } 96 AUE_SETPRIORITY STD { int setpriority( int which, int who, int prio ); } 97 AUE_SOCKET STD { int socket( int domain, int type, int protocol ); } 98 AUE_CONNECT STD { int connect( int s, _In_reads_bytes_(namelen) const struct sockaddr *name, int namelen ); } 99 AUE_ACCEPT COMPAT { int accept( int s, _Out_writes_bytes_opt_(*anamelen) struct sockaddr *name, int *anamelen ); } 100 AUE_GETPRIORITY STD { int getpriority( int which, int who ); } 101 AUE_SEND COMPAT { int send( int s, _In_reads_bytes_(len) const void *buf, int len, int flags ); } 102 AUE_RECV COMPAT { int recv( int s, _Out_writes_bytes_(len) void *buf, int len, int flags ); } 103 AUE_SIGRETURN COMPAT { int sigreturn( _In_ struct osigcontext *sigcntxp ); } 104 AUE_BIND STD { int bind( int s, _In_reads_bytes_(namelen) const struct sockaddr *name, int namelen ); } 105 AUE_SETSOCKOPT STD { int setsockopt( int s, int level, int name, _In_reads_bytes_opt_(valsize) const void *val, int valsize ); } 106 AUE_LISTEN STD { int listen( int s, int backlog ); } 107 AUE_NULL OBSOL vtimes 108 AUE_NULL COMPAT { int sigvec( int signum, _In_opt_ struct sigvec *nsv, _Out_opt_ struct sigvec *osv ); } 109 AUE_NULL COMPAT { int sigblock( int mask ); } 110 AUE_NULL COMPAT { int sigsetmask( int mask ); } 111 AUE_NULL COMPAT { int sigsuspend( osigset_t mask ); } ; XXX note nonstandard (bogus) calling convention - the libc stub passes ; us the mask, not a pointer to it. 112 AUE_NULL COMPAT { int sigstack( _In_opt_ struct sigstack *nss, _Out_opt_ struct sigstack *oss ); } 113 AUE_RECVMSG COMPAT { int recvmsg( int s, _Inout_ struct omsghdr *msg, int flags ); } 114 AUE_SENDMSG COMPAT { int sendmsg( int s, _In_ const void *msg, int flags ); } 115 AUE_NULL OBSOL vtrace 116 AUE_GETTIMEOFDAY STD { int gettimeofday( _Out_ struct timeval *tp, _Out_opt_ struct timezone *tzp ); } 117 AUE_GETRUSAGE STD { int getrusage( int who, _Out_ struct rusage *rusage ); } 118 AUE_GETSOCKOPT STD { int getsockopt( int s, int level, int name, _Out_writes_bytes_opt_(*avalsize) void *val, _Inout_ int *avalsize ); } 119 AUE_NULL UNIMPL resuba (BSD/OS 2.x) 120 AUE_READV STD { int readv( int fd, _Inout_updates_(iovcnt) struct iovec *iovp, u_int iovcnt ); } 121 AUE_WRITEV STD { int writev( int fd, _In_reads_opt_(iovcnt) struct iovec *iovp, u_int iovcnt ); } 122 AUE_SETTIMEOFDAY STD { int settimeofday( _In_ struct timeval *tv, _In_opt_ struct timezone *tzp ); } 123 AUE_FCHOWN STD { int fchown( int fd, int uid, int gid ); } 124 AUE_FCHMOD STD { int fchmod( int fd, mode_t mode ); } 125 AUE_RECVFROM COMPAT|NOARGS { int recvfrom( int s, _Out_writes_(len) void *buf, size_t len, int flags, _Out_writes_bytes_(*fromlenaddr) struct sockaddr *from, _Inout_ int *fromlenaddr ); } recvfrom recvfrom_args int 126 AUE_SETREUID STD { int setreuid( int ruid, int euid ); } 127 AUE_SETREGID STD { int setregid( int rgid, int egid ); } 128 AUE_RENAME STD { int rename( _In_z_ const char *from, _In_z_ const char *to ); } 129 AUE_TRUNCATE COMPAT { int truncate( _In_z_ const char *path, long length ); } 130 AUE_FTRUNCATE COMPAT { int ftruncate( int fd, long length ); } 131 AUE_FLOCK STD { int flock( int fd, int how ); } 132 AUE_MKFIFO STD { int mkfifo( _In_z_ const char *path, mode_t mode ); } 133 AUE_SENDTO STD { int sendto( int s, _In_reads_bytes_(len) const void *buf, size_t len, int flags, _In_reads_bytes_opt_(tolen) const struct sockaddr *to, int tolen ); } 134 AUE_SHUTDOWN STD { int shutdown( int s, int how ); } 135 AUE_SOCKETPAIR STD { int socketpair( int domain, int type, int protocol, _Out_writes_(2) int *rsv ); } 136 AUE_MKDIR STD { int mkdir( _In_z_ const char *path, mode_t mode ); } 137 AUE_RMDIR STD { int rmdir( _In_z_ const char *path ); } 138 AUE_UTIMES STD { int utimes( _In_z_ const char *path, _In_ struct timeval *tptr ); } 139 AUE_NULL OBSOL 4.2 sigreturn 140 AUE_ADJTIME STD { int adjtime( _In_ struct timeval *delta, _Out_opt_ struct timeval *olddelta ); } 141 AUE_GETPEERNAME COMPAT { int getpeername( int fdes, _Out_writes_bytes_(*alen) struct sockaddr *asa, _Inout_opt_ int *alen ); } 142 AUE_SYSCTL COMPAT { long gethostid(void); } 143 AUE_SYSCTL COMPAT { int sethostid( long hostid ); } 144 AUE_GETRLIMIT COMPAT { int getrlimit( u_int which, _Out_ struct orlimit *rlp ); } 145 AUE_SETRLIMIT COMPAT { int setrlimit( u_int which, _Out_ struct orlimit *rlp ); } 146 AUE_KILLPG COMPAT { int killpg( int pgid, int signum ); } 147 AUE_SETSID STD { int setsid(void); } 148 AUE_QUOTACTL STD { int quotactl( _In_z_ const char *path, int cmd, int uid, _In_ void *arg ); } 149 AUE_O_QUOTA COMPAT { int quota(void); } 150 AUE_GETSOCKNAME COMPAT|NOARGS { int getsockname( int fdec, _Out_writes_bytes_(*alen) struct sockaddr *asa, _Inout_ int *alen ); } getsockname getsockname_args int ; Syscalls 151-180 inclusive are reserved for vendor-specific ; system calls. (This includes various calls added for compatibity ; with other Unix variants.) ; Some of these calls are now supported by BSD. 151 AUE_NULL UNIMPL sem_lock (BSD/OS 2.x) 152 AUE_NULL UNIMPL sem_wakeup (BSD/OS 2.x) 153 AUE_NULL UNIMPL asyncdaemon (BSD/OS 2.x) ; 154 is initialised by the NLM code, if present. 154 AUE_NULL NOSTD { int nlm_syscall( int debug_level, int grace_period, int addr_count, _In_reads_(addr_count) char **addrs ); } ; 155 is initialized by the NFS code, if present. 155 AUE_NFS_SVC NOSTD { int nfssvc( int flag, _In_ void *argp ); } 156 AUE_GETDIRENTRIES COMPAT { int getdirentries( int fd, _Out_writes_bytes_(count) char *buf, u_int count, _Out_ long *basep ); } 157 AUE_STATFS COMPAT4 { int statfs( _In_z_ const char *path, _Out_ struct ostatfs *buf ); } 158 AUE_FSTATFS COMPAT4 { int fstatfs( int fd, _Out_ struct ostatfs *buf ); } 159 AUE_NULL UNIMPL nosys 160 AUE_LGETFH STD { int lgetfh( _In_z_ const char *fname, _Out_ struct fhandle *fhp ); } 161 AUE_NFS_GETFH STD { int getfh( _In_z_ const char *fname, _Out_ struct fhandle *fhp ); } 162 AUE_SYSCTL COMPAT4 { int getdomainname( _Out_writes_z_(len) char *domainname, int len ); } 163 AUE_SYSCTL COMPAT4 { int setdomainname( _In_reads_z_(len) char *domainname, int len ); } 164 AUE_NULL COMPAT4 { int uname( _Out_ struct utsname *name ); } 165 AUE_SYSARCH STD { int sysarch( int op, _In_z_ char *parms ); } 166 AUE_RTPRIO STD { int rtprio( int function, pid_t pid, _Inout_ struct rtprio *rtp ); } 167 AUE_NULL UNIMPL nosys 168 AUE_NULL UNIMPL nosys 169 AUE_SEMSYS NOSTD { int semsys( int which, int a2, int a3, int a4, int a5 ); } ; XXX should be { int semsys(int which, ...); } 170 AUE_MSGSYS NOSTD { int msgsys( int which, int a2, int a3, int a4, int a5, int a6 ); } ; XXX should be { int msgsys(int which, ...); } 171 AUE_SHMSYS NOSTD { int shmsys( int which, int a2, int a3, int a4 ); } ; XXX should be { int shmsys(int which, ...); } 172 AUE_NULL UNIMPL nosys 173 AUE_PREAD COMPAT6 { ssize_t pread( int fd, _Out_writes_bytes_(nbyte) void *buf, size_t nbyte, int pad, off_t offset ); } 174 AUE_PWRITE COMPAT6 { ssize_t pwrite( int fd, _In_reads_bytes_(nbyte) const void *buf, size_t nbyte, int pad, off_t offset ); } 175 AUE_SETFIB STD { int setfib( int fibnum ); } 176 AUE_NTP_ADJTIME STD { int ntp_adjtime( _Inout_ struct timex *tp ); } 177 AUE_NULL UNIMPL sfork (BSD/OS 2.x) 178 AUE_NULL UNIMPL getdescriptor (BSD/OS 2.x) 179 AUE_NULL UNIMPL setdescriptor (BSD/OS 2.x) 180 AUE_NULL UNIMPL nosys ; Syscalls 181-199 are used by/reserved for BSD 181 AUE_SETGID STD { int setgid( gid_t gid ); } 182 AUE_SETEGID STD { int setegid( gid_t egid ); } 183 AUE_SETEUID STD { int seteuid( uid_t euid ); } 184 AUE_NULL OBSOL lfs_bmapv 185 AUE_NULL OBSOL lfs_markv 186 AUE_NULL OBSOL lfs_segclean 187 AUE_NULL OBSOL lfs_segwait 188 AUE_STAT COMPAT11 { int stat( _In_z_ const char *path, _Out_ struct freebsd11_stat *ub ); } 189 AUE_FSTAT COMPAT11 { int fstat( int fd, _Out_ struct freebsd11_stat *sb ); } 190 AUE_LSTAT COMPAT11 { int lstat( _In_z_ const char *path, _Out_ struct freebsd11_stat *ub ); } 191 AUE_PATHCONF STD { int pathconf( _In_z_ const char *path, int name ); } 192 AUE_FPATHCONF STD { int fpathconf( int fd, int name ); } 193 AUE_NULL UNIMPL nosys 194 AUE_GETRLIMIT STD { int getrlimit( u_int which, _Out_ struct rlimit *rlp ); } getrlimit __getrlimit_args int 195 AUE_SETRLIMIT STD { int setrlimit( u_int which, _In_ struct rlimit *rlp ); } setrlimit __setrlimit_args int 196 AUE_GETDIRENTRIES COMPAT11 { int getdirentries( int fd, _Out_writes_bytes_(count) char *buf, u_int count, _Out_ long *basep ); } 197 AUE_MMAP COMPAT6 { void *mmap( _In_ void *addr, size_t len, int prot, int flags, int fd, int pad, off_t pos ); } 198 AUE_NULL NOPROTO { int nosys(void); } __syscall __syscall_args int 199 AUE_LSEEK COMPAT6 { off_t lseek( int fd, int pad, off_t offset, int whence ); } 200 AUE_TRUNCATE COMPAT6 { int truncate( _In_z_ const char *path, int pad, off_t length ); } 201 AUE_FTRUNCATE COMPAT6 { int ftruncate( int fd, int pad, off_t length ); } 202 AUE_SYSCTL STD { int __sysctl( _In_reads_(namelen) int *name, u_int namelen, _Out_writes_bytes_opt_(*oldlenp) void *old, _Inout_opt_ size_t *oldlenp, _In_reads_bytes_opt_(newlen) const void *new, size_t newlen ); } __sysctl sysctl_args int 203 AUE_MLOCK STD { int mlock( _In_ const void *addr, size_t len ); } 204 AUE_MUNLOCK STD { int munlock( _In_ const void *addr, size_t len ); } 205 AUE_UNDELETE STD { int undelete( _In_z_ const char *path ); } 206 AUE_FUTIMES STD { int futimes( int fd, _In_reads_(2) struct timeval *tptr ); } 207 AUE_GETPGID STD { int getpgid( pid_t pid ); } 208 AUE_NULL UNIMPL nosys 209 AUE_POLL STD { int poll( _Inout_updates_(nfds) struct pollfd *fds, u_int nfds, int timeout ); } ; ; The following are reserved for loadable syscalls ; 210 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 211 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 212 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 213 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 214 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 215 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 216 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 217 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 218 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 219 AUE_NULL NODEF|NOTSTATIC lkmnosys lkmnosys nosys_args int 220 AUE_SEMCTL COMPAT7|NOSTD { int __semctl( int semid, int semnum, int cmd, union semun_old *arg ); } 221 AUE_SEMGET NOSTD { int semget( key_t key, int nsems, int semflg ); } 222 AUE_SEMOP NOSTD { int semop( int semid, _In_reads_(nsops) struct sembuf *sops, size_t nsops ); } 223 AUE_NULL OBSOL semconfig 224 AUE_MSGCTL COMPAT7|NOSTD { int msgctl( int msqid, int cmd, struct msqid_ds_old *buf ); } 225 AUE_MSGGET NOSTD { int msgget( key_t key, int msgflg ); } 226 AUE_MSGSND NOSTD { int msgsnd( int msqid, _In_reads_bytes_(msgsz) const void *msgp, size_t msgsz, int msgflg ); } 227 AUE_MSGRCV NOSTD { ssize_t msgrcv( int msqid, _Out_writes_bytes_(msgsz) void *msgp, size_t msgsz, long msgtyp, int msgflg ); } 228 AUE_SHMAT NOSTD { void *shmat( int shmid, _In_ const void *shmaddr, int shmflg ); } 229 AUE_SHMCTL COMPAT7|NOSTD { int shmctl( int shmid, int cmd, struct shmid_ds_old *buf ); } 230 AUE_SHMDT NOSTD { int shmdt( _In_ const void *shmaddr ); } 231 AUE_SHMGET NOSTD { int shmget( key_t key, size_t size, int shmflg ); } 232 AUE_NULL STD { int clock_gettime( clockid_t clock_id, _Out_ struct timespec *tp ); } 233 AUE_CLOCK_SETTIME STD { int clock_settime( clockid_t clock_id, _In_ const struct timespec *tp ); } 234 AUE_NULL STD { int clock_getres( clockid_t clock_id, _Out_ struct timespec *tp ); } 235 AUE_NULL STD { int ktimer_create( clockid_t clock_id, _In_ struct sigevent *evp, _Out_ int *timerid ); } 236 AUE_NULL STD { int ktimer_delete( int timerid ); } 237 AUE_NULL STD { int ktimer_settime( int timerid, int flags, _In_ const struct itimerspec *value, _Out_opt_ struct itimerspec *ovalue ); } 238 AUE_NULL STD { int ktimer_gettime( int timerid, _Out_ struct itimerspec *value ); } 239 AUE_NULL STD { int ktimer_getoverrun( int timerid ); } 240 AUE_NULL STD { int nanosleep( _In_ const struct timespec *rqtp, _Out_opt_ struct timespec *rmtp ); } 241 AUE_NULL STD { int ffclock_getcounter( _Out_ ffcounter *ffcount ); } 242 AUE_NULL STD { int ffclock_setestimate( _In_ struct ffclock_estimate *cest ); } 243 AUE_NULL STD { int ffclock_getestimate( _Out_ struct ffclock_estimate *cest ); } 244 AUE_NULL STD { int clock_nanosleep( clockid_t clock_id, int flags, _In_ const struct timespec *rqtp, _Out_opt_ struct timespec *rmtp ); } 245-246 AUE_NULL UNIMPL nosys 247 AUE_NULL STD { int clock_getcpuclockid2( id_t id, int which, _Out_ clockid_t *clock_id ); } 248 AUE_NULL STD { int ntp_gettime( _Out_ struct ntptimeval *ntvp ); } 249 AUE_NULL UNIMPL nosys ; syscall numbers initially used in OpenBSD 250 AUE_MINHERIT STD { int minherit( _In_ void *addr, size_t len, int inherit ); } 251 AUE_RFORK STD { int rfork( int flags ); } 252 AUE_POLL OBSOL openbsd_poll 253 AUE_ISSETUGID STD { int issetugid(void); } 254 AUE_LCHOWN STD { int lchown( _In_z_ const char *path, int uid, int gid ); } 255 AUE_AIO_READ STD { int aio_read( _Inout_ struct aiocb *aiocbp ); } 256 AUE_AIO_WRITE STD { int aio_write( _Inout_ struct aiocb *aiocbp ); } 257 AUE_LIO_LISTIO STD { int lio_listio( int mode, _Inout_updates_(nent) struct aiocb * const *acb_list, int nent, _In_opt_ struct sigevent *sig ); } 258-271 AUE_NULL UNIMPL nosys 272 AUE_O_GETDENTS COMPAT11 { int getdents( int fd, _Out_writes_bytes_(count) char *buf, size_t count ); } 273 AUE_NULL UNIMPL nosys 274 AUE_LCHMOD STD { int lchmod( _In_z_ const char *path, mode_t mode ); } 275 AUE_NULL OBSOL netbsd_lchown 276 AUE_LUTIMES STD { int lutimes( _In_z_ const char *path, _In_ struct timeval *tptr ); } 277 AUE_NULL OBSOL netbsd_msync 278 AUE_STAT COMPAT11 { int nstat( _In_z_ const char *path, _Out_ struct nstat *ub ); } 279 AUE_FSTAT COMPAT11 { int nfstat( int fd, _Out_ struct nstat *sb ); } 280 AUE_LSTAT COMPAT11 { int nlstat( _In_z_ const char *path, _Out_ struct nstat *ub ); } 281-288 AUE_NULL UNIMPL nosys 289 AUE_PREADV STD { ssize_t preadv( int fd, _In_reads_(iovcnt) struct iovec *iovp, u_int iovcnt, off_t offset ); } 290 AUE_PWRITEV STD { ssize_t pwritev( int fd, _In_reads_(iovcnt) struct iovec *iovp, u_int iovcnt, off_t offset ); } 291-296 AUE_NULL UNIMPL nosys 297 AUE_FHSTATFS COMPAT4 { int fhstatfs( _In_ const struct fhandle *u_fhp, _Out_ struct ostatfs *buf ); } 298 AUE_FHOPEN STD { int fhopen( _In_ const struct fhandle *u_fhp, int flags ); } 299 AUE_FHSTAT COMPAT11 { int fhstat( _In_ const struct fhandle *u_fhp, _Out_ struct freebsd11_stat *sb ); } 300 AUE_NULL STD { int modnext( int modid ); } 301 AUE_NULL STD { int modstat( int modid, _Out_ struct module_stat *stat ); } 302 AUE_NULL STD { int modfnext( int modid ); } 303 AUE_NULL STD { int modfind( _In_z_ const char *name ); } 304 AUE_MODLOAD STD { int kldload( _In_z_ const char *file ); } 305 AUE_MODUNLOAD STD { int kldunload( int fileid ); } 306 AUE_NULL STD { int kldfind( _In_z_ const char *file ); } 307 AUE_NULL STD { int kldnext( int fileid ); } 308 AUE_NULL STD { int kldstat( int fileid, _Out_ struct kld_file_stat *stat ); } 309 AUE_NULL STD { int kldfirstmod( int fileid ); } 310 AUE_GETSID STD { int getsid( pid_t pid ); } 311 AUE_SETRESUID STD { int setresuid( uid_t ruid, uid_t euid, uid_t suid ); } 312 AUE_SETRESGID STD { int setresgid( gid_t rgid, gid_t egid, gid_t sgid ); } 313 AUE_NULL OBSOL signanosleep 314 AUE_AIO_RETURN STD { ssize_t aio_return( _Inout_ struct aiocb *aiocbp ); } 315 AUE_AIO_SUSPEND STD { int aio_suspend( _Inout_updates_(nent) struct aiocb * const * aiocbp, int nent, _In_opt_ const struct timespec *timeout ); } 316 AUE_AIO_CANCEL STD { int aio_cancel( int fd, _In_opt_ struct aiocb *aiocbp ); } 317 AUE_AIO_ERROR STD { int aio_error( _In_ struct aiocb *aiocbp ); } 318 AUE_AIO_READ COMPAT6 { int aio_read( _Inout_ struct oaiocb *aiocbp ); } 319 AUE_AIO_WRITE COMPAT6 { int aio_write( _Inout_ struct oaiocb *aiocbp ); } 320 AUE_LIO_LISTIO COMPAT6 { int lio_listio( int mode, _Inout_updates_(nent) struct oaiocb * const *acb_list, int nent, _In_opt_ struct osigevent *sig ); } 321 AUE_NULL STD { int yield(void); } 322 AUE_NULL OBSOL thr_sleep 323 AUE_NULL OBSOL thr_wakeup 324 AUE_MLOCKALL STD { int mlockall( int how ); } 325 AUE_MUNLOCKALL STD { int munlockall(void); } 326 AUE_GETCWD STD { int __getcwd( _Out_writes_z_(buflen) char *buf, size_t buflen ); } 327 AUE_NULL STD { int sched_setparam( pid_t pid, _In_ const struct sched_param *param ); } 328 AUE_NULL STD { int sched_getparam( pid_t pid, _Out_ struct sched_param *param ); } 329 AUE_NULL STD { int sched_setscheduler( pid_t pid, int policy, _In_ const struct sched_param *param ); } 330 AUE_NULL STD { int sched_getscheduler( pid_t pid ); } 331 AUE_NULL STD { int sched_yield(void); } 332 AUE_NULL STD { int sched_get_priority_max( int policy ); } 333 AUE_NULL STD { int sched_get_priority_min( int policy ); } 334 AUE_NULL STD { int sched_rr_get_interval( pid_t pid, _Out_ struct timespec *interval ); } 335 AUE_NULL STD { int utrace( _In_reads_bytes_(len) const void *addr, size_t len ); } 336 AUE_SENDFILE COMPAT4 { int sendfile( int fd, int s, off_t offset, size_t nbytes, _In_opt_ struct sf_hdtr *hdtr, _Out_opt_ off_t *sbytes, int flags ); } 337 AUE_NULL STD { int kldsym( int fileid, int cmd, _In_ void *data ); } 338 AUE_JAIL STD { int jail( _In_ struct jail *jail ); } 339 AUE_NULL NOSTD|NOTSTATIC { int nnpfs_syscall( int operation, char *a_pathP, int a_opcode, void *a_paramsP, int a_followSymlinks ); } 340 AUE_SIGPROCMASK STD { int sigprocmask( int how, _In_opt_ const sigset_t *set, _Out_opt_ sigset_t *oset ); } 341 AUE_SIGSUSPEND STD { int sigsuspend( _In_ const sigset_t *sigmask ); } 342 AUE_SIGACTION COMPAT4 { int sigaction( int sig, _In_opt_ const struct sigaction *act, _Out_opt_ struct sigaction *oact ); } 343 AUE_SIGPENDING STD { int sigpending( _In_ sigset_t *set ); } 344 AUE_SIGRETURN COMPAT4 { int sigreturn( _In_ const struct ucontext4 *sigcntxp ); } 345 AUE_SIGWAIT STD { int sigtimedwait( _In_ const sigset_t *set, _Out_opt_ siginfo_t *info, _In_opt_ const struct timespec *timeout ); } 346 AUE_NULL STD { int sigwaitinfo( _In_ const sigset_t *set, _Out_opt_ siginfo_t *info ); } 347 AUE_ACL_GET_FILE STD { int __acl_get_file( _In_z_ const char *path, acl_type_t type, _Out_ struct acl *aclp ); } 348 AUE_ACL_SET_FILE STD { int __acl_set_file( _In_z_ const char *path, acl_type_t type, _In_ struct acl *aclp ); } 349 AUE_ACL_GET_FD STD { int __acl_get_fd( int filedes, acl_type_t type, _Out_ struct acl *aclp ); } 350 AUE_ACL_SET_FD STD { int __acl_set_fd( int filedes, acl_type_t type, _In_ struct acl *aclp ); } 351 AUE_ACL_DELETE_FILE STD { int __acl_delete_file( _In_z_ const char *path, acl_type_t type ); } 352 AUE_ACL_DELETE_FD STD { int __acl_delete_fd( int filedes, acl_type_t type ); } 353 AUE_ACL_CHECK_FILE STD { int __acl_aclcheck_file( _In_z_ const char *path, acl_type_t type, _In_ struct acl *aclp ); } 354 AUE_ACL_CHECK_FD STD { int __acl_aclcheck_fd( int filedes, acl_type_t type, _In_ struct acl *aclp ); } 355 AUE_EXTATTRCTL STD { int extattrctl( _In_z_ const char *path, int cmd, _In_z_opt_ const char *filename, int attrnamespace, _In_z_ const char *attrname ); } 356 AUE_EXTATTR_SET_FILE STD { ssize_t extattr_set_file( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname, _In_reads_bytes_(nbytes) void *data, size_t nbytes ); } 357 AUE_EXTATTR_GET_FILE STD { ssize_t extattr_get_file( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname, _Out_writes_bytes_(nbytes) void *data, size_t nbytes ); } 358 AUE_EXTATTR_DELETE_FILE STD { int extattr_delete_file( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname ); } 359 AUE_AIO_WAITCOMPLETE STD { ssize_t aio_waitcomplete( _Outptr_result_maybenull_ struct aiocb **aiocbp, _In_opt_ struct timespec *timeout ); } 360 AUE_GETRESUID STD { int getresuid( _Out_opt_ uid_t *ruid, _Out_opt_ uid_t *euid, _Out_opt_ uid_t *suid ); } 361 AUE_GETRESGID STD { int getresgid( _Out_opt_ gid_t *rgid, _Out_opt_ gid_t *egid, _Out_opt_ gid_t *sgid ); } 362 AUE_KQUEUE STD { int kqueue(void); } 363 AUE_KEVENT COMPAT11 { int kevent( int fd, _In_reads_opt_(nchanges) struct kevent_freebsd11 *changelist, int nchanges, _Out_writes_opt_(nevents) struct kevent_freebsd11 *eventlist, int nevents, _In_opt_ const struct timespec *timeout ); } 364 AUE_NULL OBSOL __cap_get_proc 365 AUE_NULL OBSOL __cap_set_proc 366 AUE_NULL OBSOL __cap_get_fd 367 AUE_NULL OBSOL __cap_get_file 368 AUE_NULL OBSOL __cap_set_fd 369 AUE_NULL OBSOL __cap_set_file 370 AUE_NULL UNIMPL nosys 371 AUE_EXTATTR_SET_FD STD { ssize_t extattr_set_fd( int fd, int attrnamespace, _In_z_ const char *attrname, _In_reads_bytes_(nbytes) void *data, size_t nbytes ); } 372 AUE_EXTATTR_GET_FD STD { ssize_t extattr_get_fd( int fd, int attrnamespace, _In_z_ const char *attrname, _Out_writes_bytes_(nbytes) void *data, size_t nbytes ); } 373 AUE_EXTATTR_DELETE_FD STD { int extattr_delete_fd( int fd, int attrnamespace, _In_z_ const char *attrname ); } 374 AUE_SETUGID STD { int __setugid( int flag ); } 375 AUE_NULL OBSOL nfsclnt 376 AUE_EACCESS STD { int eaccess( _In_z_ const char *path, int amode ); } 377 AUE_NULL NOSTD|NOTSTATIC { int afs3_syscall( long syscall, long parm1, long parm2, long parm3, long parm4, long parm5, long parm6 ); } 378 AUE_NMOUNT STD { int nmount( _In_reads_(iovcnt) struct iovec *iovp, unsigned int iovcnt, int flags ); } 379 AUE_NULL OBSOL kse_exit 380 AUE_NULL OBSOL kse_wakeup 381 AUE_NULL OBSOL kse_create 382 AUE_NULL OBSOL kse_thr_interrupt 383 AUE_NULL OBSOL kse_release 384 AUE_NULL STD { int __mac_get_proc( _In_ struct mac *mac_p ); } 385 AUE_NULL STD { int __mac_set_proc( _In_ struct mac *mac_p ); } 386 AUE_NULL STD { int __mac_get_fd( int fd, _In_ struct mac *mac_p ); } 387 AUE_NULL STD { int __mac_get_file( _In_z_ const char *path_p, _In_ struct mac *mac_p ); } 388 AUE_NULL STD { int __mac_set_fd( int fd, _In_ struct mac *mac_p ); } 389 AUE_NULL STD { int __mac_set_file( _In_z_ const char *path_p, _In_ struct mac *mac_p ); } 390 AUE_NULL STD { int kenv( int what, _In_z_opt_ const char *name, _Inout_updates_opt_(len) char *value, int len ); } 391 AUE_LCHFLAGS STD { int lchflags( _In_z_ const char *path, u_long flags ); } 392 AUE_NULL STD { int uuidgen( _Out_writes_(count) struct uuid *store, int count ); } 393 AUE_SENDFILE STD { int sendfile( int fd, int s, off_t offset, size_t nbytes, _In_opt_ struct sf_hdtr *hdtr, _Out_opt_ off_t *sbytes, int flags ); } 394 AUE_NULL STD { int mac_syscall( _In_z_ const char *policy, int call, _In_opt_ void *arg ); } 395 AUE_GETFSSTAT COMPAT11 { int getfsstat( _Out_writes_bytes_opt_(bufsize) struct freebsd11_statfs *buf, long bufsize, int mode ); } 396 AUE_STATFS COMPAT11 { int statfs( _In_z_ const char *path, _Out_ struct freebsd11_statfs *buf ); } 397 AUE_FSTATFS COMPAT11 { int fstatfs( int fd, _Out_ struct freebsd11_statfs *buf ); } 398 AUE_FHSTATFS COMPAT11 { int fhstatfs( _In_ const struct fhandle *u_fhp, _Out_ struct freebsd11_statfs *buf ); } 399 AUE_NULL UNIMPL nosys 400 AUE_SEMCLOSE NOSTD { int ksem_close( semid_t id ); } 401 AUE_SEMPOST NOSTD { int ksem_post( semid_t id ); } 402 AUE_SEMWAIT NOSTD { int ksem_wait( semid_t id ); } 403 AUE_SEMTRYWAIT NOSTD { int ksem_trywait( semid_t id ); } 404 AUE_SEMINIT NOSTD { int ksem_init( _Out_ semid_t *idp, unsigned int value ); } 405 AUE_SEMOPEN NOSTD { int ksem_open( _Out_ semid_t *idp, _In_z_ const char *name, int oflag, mode_t mode, unsigned int value ); } 406 AUE_SEMUNLINK NOSTD { int ksem_unlink( _In_z_ const char *name ); } 407 AUE_SEMGETVALUE NOSTD { int ksem_getvalue( semid_t id, _Out_ int *val ); } 408 AUE_SEMDESTROY NOSTD { int ksem_destroy( semid_t id ); } 409 AUE_NULL STD { int __mac_get_pid( pid_t pid, _In_ struct mac *mac_p ); } 410 AUE_NULL STD { int __mac_get_link( _In_z_ const char *path_p, _In_ struct mac *mac_p ); } 411 AUE_NULL STD { int __mac_set_link( _In_z_ const char *path_p, _In_ struct mac *mac_p ); } 412 AUE_EXTATTR_SET_LINK STD { ssize_t extattr_set_link( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname, _In_reads_bytes_(nbytes) void *data, size_t nbytes ); } 413 AUE_EXTATTR_GET_LINK STD { ssize_t extattr_get_link( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname, _Out_writes_bytes_(nbytes) void *data, size_t nbytes ); } 414 AUE_EXTATTR_DELETE_LINK STD { int extattr_delete_link( _In_z_ const char *path, int attrnamespace, _In_z_ const char *attrname ); } 415 AUE_NULL STD { int __mac_execve( _In_z_ const char *fname, _In_ char **argv, _In_ char **envv, _In_ struct mac *mac_p ); } 416 AUE_SIGACTION STD { int sigaction( int sig, _In_opt_ const struct sigaction *act, _Out_opt_ struct sigaction *oact ); } 417 AUE_SIGRETURN STD { int sigreturn( _In_ const struct __ucontext *sigcntxp ); } 418 AUE_NULL UNIMPL __xstat 419 AUE_NULL UNIMPL __xfstat 420 AUE_NULL UNIMPL __xlstat 421 AUE_NULL STD { int getcontext( _Out_ struct __ucontext *ucp ); } 422 AUE_NULL STD { int setcontext( _In_ const struct __ucontext *ucp ); } 423 AUE_NULL STD { int swapcontext( _Out_ struct __ucontext *oucp, _In_ const struct __ucontext *ucp ); } 424 AUE_SWAPOFF STD { int swapoff( _In_z_ const char *name ); } 425 AUE_ACL_GET_LINK STD { int __acl_get_link( _In_z_ const char *path, acl_type_t type, _Out_ struct acl *aclp ); } 426 AUE_ACL_SET_LINK STD { int __acl_set_link( _In_z_ const char *path, acl_type_t type, _In_ struct acl *aclp ); } 427 AUE_ACL_DELETE_LINK STD { int __acl_delete_link( _In_z_ const char *path, acl_type_t type ); } 428 AUE_ACL_CHECK_LINK STD { int __acl_aclcheck_link( _In_z_ const char *path, acl_type_t type, _In_ struct acl *aclp ); } 429 AUE_SIGWAIT STD { int sigwait( _In_ const sigset_t *set, _Out_ int *sig ); } 430 AUE_THR_CREATE STD { int thr_create( _In_ ucontext_t *ctx, _Out_ long *id, int flags ); } 431 AUE_THR_EXIT STD { void thr_exit( _Out_opt_ long *state ); } 432 AUE_NULL STD { int thr_self( _Out_ long *id ); } 433 AUE_THR_KILL STD { int thr_kill( long id, int sig ); } 434-435 AUE_NULL UNIMPL nosys 436 AUE_JAIL_ATTACH STD { int jail_attach( int jid ); } 437 AUE_EXTATTR_LIST_FD STD { ssize_t extattr_list_fd( int fd, int attrnamespace, _Out_writes_bytes_opt_(nbytes) void *data, size_t nbytes ); } 438 AUE_EXTATTR_LIST_FILE STD { ssize_t extattr_list_file( _In_z_ const char *path, int attrnamespace, _Out_writes_bytes_opt_(nbytes) void *data, size_t nbytes ); } 439 AUE_EXTATTR_LIST_LINK STD { ssize_t extattr_list_link( _In_z_ const char *path, int attrnamespace, _Out_writes_bytes_opt_(nbytes) void *data, size_t nbytes ); } 440 AUE_NULL OBSOL kse_switchin 441 AUE_SEMWAIT NOSTD { int ksem_timedwait( semid_t id, _In_opt_ const struct timespec *abstime ); } 442 AUE_NULL STD { int thr_suspend( _In_opt_ const struct timespec *timeout ); } 443 AUE_NULL STD { int thr_wake( long id ); } 444 AUE_MODUNLOAD STD { int kldunloadf( int fileid, int flags ); } 445 AUE_AUDIT STD { int audit( _In_reads_bytes_(length) const void *record, u_int length ); } 446 AUE_AUDITON STD { int auditon( int cmd, _In_opt_ void *data, u_int length ); } 447 AUE_GETAUID STD { int getauid( _Out_ uid_t *auid ); } 448 AUE_SETAUID STD { int setauid( _In_ uid_t *auid ); } 449 AUE_GETAUDIT STD { int getaudit( _Out_ struct auditinfo *auditinfo ); } 450 AUE_SETAUDIT STD { int setaudit( _In_ struct auditinfo *auditinfo ); } 451 AUE_GETAUDIT_ADDR STD { int getaudit_addr( _Out_writes_bytes_(length) struct auditinfo_addr *auditinfo_addr, u_int length ); } 452 AUE_SETAUDIT_ADDR STD { int setaudit_addr( _In_reads_bytes_(length) struct auditinfo_addr *auditinfo_addr, u_int length ); } 453 AUE_AUDITCTL STD { int auditctl( _In_z_ const char *path ); } 454 AUE_NULL STD { int _umtx_op( _Inout_ void *obj, int op, u_long val, _In_ void *uaddr1, _In_ void *uaddr2 ); } 455 AUE_THR_NEW STD { int thr_new( _In_ struct thr_param *param, int param_size ); } 456 AUE_NULL STD { int sigqueue( pid_t pid, int signum, _In_ void *value ); } 457 AUE_MQ_OPEN NOSTD { int kmq_open( _In_z_ const char *path, int flags, mode_t mode, _In_opt_ const struct mq_attr *attr ); } 458 AUE_MQ_SETATTR NOSTD { int kmq_setattr( int mqd, _In_opt_ const struct mq_attr *attr, _Out_opt_ struct mq_attr *oattr ); } 459 AUE_MQ_TIMEDRECEIVE NOSTD { int kmq_timedreceive( int mqd, _Out_writes_bytes_(msg_len) char *msg_ptr, size_t msg_len, _Out_opt_ unsigned *msg_prio, _In_opt_ const struct timespec *abs_timeout ); } 460 AUE_MQ_TIMEDSEND NOSTD { int kmq_timedsend( int mqd, _In_reads_bytes_(msg_len) const char *msg_ptr, size_t msg_len, unsigned msg_prio, _In_opt_ const struct timespec *abs_timeout ); } 461 AUE_MQ_NOTIFY NOSTD { int kmq_notify( int mqd, _In_opt_ const struct sigevent *sigev ); } 462 AUE_MQ_UNLINK NOSTD { int kmq_unlink( _In_z_ const char *path ); } 463 AUE_NULL STD { int abort2( _In_z_ const char *why, int nargs, _In_reads_(nargs) void **args ); } 464 AUE_NULL STD { int thr_set_name( long id, _In_z_ const char *name ); } 465 AUE_AIO_FSYNC STD { int aio_fsync( int op, _In_ struct aiocb *aiocbp ); } 466 AUE_RTPRIO STD { int rtprio_thread( int function, lwpid_t lwpid, _Inout_ struct rtprio *rtp ); } 467-468 AUE_NULL UNIMPL nosys 469 AUE_NULL UNIMPL __getpath_fromfd 470 AUE_NULL UNIMPL __getpath_fromaddr 471 AUE_SCTP_PEELOFF NOSTD { int sctp_peeloff( int sd, uint32_t name ); } 472 AUE_SCTP_GENERIC_SENDMSG NOSTD { int sctp_generic_sendmsg( int sd, _In_reads_bytes_(mlen) void *msg, int mlen, _In_reads_bytes_(tolen) struct sockaddr *to, __socklen_t tolen, _In_opt_ struct sctp_sndrcvinfo *sinfo, int flags ); } 473 AUE_SCTP_GENERIC_SENDMSG_IOV NOSTD { int sctp_generic_sendmsg_iov( int sd, _In_reads_(iovlen) struct iovec *iov, int iovlen, _In_reads_bytes_(tolen) struct sockaddr *to, __socklen_t tolen, _In_opt_ struct sctp_sndrcvinfo *sinfo, int flags ); } 474 AUE_SCTP_GENERIC_RECVMSG NOSTD { int sctp_generic_recvmsg( int sd, _In_reads_(iovlen) struct iovec *iov, int iovlen, _Out_writes_bytes_(*fromlenaddr) struct sockaddr *from, _Out_ __socklen_t *fromlenaddr, _In_opt_ struct sctp_sndrcvinfo *sinfo, _Out_opt_ int *msg_flags ); } 475 AUE_PREAD STD { ssize_t pread( int fd, _Out_writes_bytes_(nbyte) void *buf, size_t nbyte, off_t offset ); } 476 AUE_PWRITE STD { ssize_t pwrite( int fd, _In_reads_bytes_(nbyte) const void *buf, size_t nbyte, off_t offset ); } 477 AUE_MMAP STD { void *mmap( _In_ void *addr, size_t len, int prot, int flags, int fd, off_t pos ); } 478 AUE_LSEEK STD { off_t lseek( int fd, off_t offset, int whence ); } 479 AUE_TRUNCATE STD { int truncate( _In_z_ const char *path, off_t length ); } 480 AUE_FTRUNCATE STD { int ftruncate( int fd, off_t length ); } 481 AUE_THR_KILL2 STD { int thr_kill2( pid_t pid, long id, int sig ); } 482 AUE_SHMOPEN COMPAT12 { int shm_open( _In_z_ const char *path, int flags, mode_t mode ); } 483 AUE_SHMUNLINK STD { int shm_unlink( _In_z_ const char *path ); } 484 AUE_NULL STD { int cpuset( _Out_ cpusetid_t *setid ); } 485 AUE_NULL STD { int cpuset_setid( cpuwhich_t which, id_t id, cpusetid_t setid ); } 486 AUE_NULL STD { int cpuset_getid( cpulevel_t level, cpuwhich_t which, id_t id, _Out_ cpusetid_t *setid ); } 487 AUE_NULL STD { int cpuset_getaffinity( cpulevel_t level, cpuwhich_t which, id_t id, size_t cpusetsize, _Out_ cpuset_t *mask ); } 488 AUE_NULL STD { int cpuset_setaffinity( cpulevel_t level, cpuwhich_t which, id_t id, size_t cpusetsize, _Out_ const cpuset_t *mask ); } 489 AUE_FACCESSAT STD { int faccessat( int fd, _In_z_ const char *path, int amode, int flag ); } 490 AUE_FCHMODAT STD { int fchmodat( int fd, _In_z_ const char *path, mode_t mode, int flag ); } 491 AUE_FCHOWNAT STD { int fchownat( int fd, _In_z_ const char *path, uid_t uid, gid_t gid, int flag ); } 492 AUE_FEXECVE STD { int fexecve( int fd, _In_ char **argv, _In_ char **envv ); } 493 AUE_FSTATAT COMPAT11 { int fstatat( int fd, _In_z_ const char *path, _Out_ struct freebsd11_stat *buf, int flag ); } 494 AUE_FUTIMESAT STD { int futimesat( int fd, _In_z_ const char *path, _In_reads_(2) struct timeval *times ); } 495 AUE_LINKAT STD { int linkat( int fd1, _In_z_ const char *path1, int fd2, _In_z_ const char *path2, int flag ); } 496 AUE_MKDIRAT STD { int mkdirat( int fd, _In_z_ const char *path, mode_t mode ); } 497 AUE_MKFIFOAT STD { int mkfifoat( int fd, _In_z_ const char *path, mode_t mode ); } 498 AUE_MKNODAT COMPAT11 { int mknodat( int fd, _In_z_ const char *path, mode_t mode, uint32_t dev ); } ; XXX: see the comment for open 499 AUE_OPENAT_RWTC STD { int openat( int fd, _In_z_ const char *path, int flag, mode_t mode ); } 500 AUE_READLINKAT STD { ssize_t readlinkat( int fd, _In_z_ const char *path, _Out_writes_bytes_(bufsize) char *buf, size_t bufsize ); } 501 AUE_RENAMEAT STD { int renameat( int oldfd, _In_z_ const char *old, int newfd, _In_z_ const char *new ); } 502 AUE_SYMLINKAT STD { int symlinkat( _In_z_ const char *path1, int fd, _In_z_ const char *path2 ); } 503 AUE_UNLINKAT STD { int unlinkat( int fd, _In_z_ const char *path, int flag ); } 504 AUE_POSIX_OPENPT STD { int posix_openpt( int flags ); } ; 505 is initialised by the kgssapi code, if present. 505 AUE_NULL NOSTD { int gssd_syscall( _In_z_ const char *path ); } 506 AUE_JAIL_GET STD { int jail_get( _In_reads_(iovcnt) struct iovec *iovp, unsigned int iovcnt, int flags ); } 507 AUE_JAIL_SET STD { int jail_set( _In_reads_(iovcnt) struct iovec *iovp, unsigned int iovcnt, int flags ); } 508 AUE_JAIL_REMOVE STD { int jail_remove( int jid ); } -509 AUE_CLOSEFROM STD { +509 AUE_CLOSEFROM COMPAT12 { int closefrom( int lowfd ); } 510 AUE_SEMCTL NOSTD { int __semctl( int semid, int semnum, int cmd, _Inout_ union semun *arg ); } 511 AUE_MSGCTL NOSTD { int msgctl( int msqid, int cmd, _Inout_opt_ struct msqid_ds *buf ); } 512 AUE_SHMCTL NOSTD { int shmctl( int shmid, int cmd, _Inout_opt_ struct shmid_ds *buf ); } 513 AUE_LPATHCONF STD { int lpathconf( _In_z_ const char *path, int name ); } 514 AUE_NULL OBSOL cap_new 515 AUE_CAP_RIGHTS_GET STD { int __cap_rights_get( int version, int fd, _Out_ cap_rights_t *rightsp ); } 516 AUE_CAP_ENTER STD { int cap_enter(void); } 517 AUE_CAP_GETMODE STD { int cap_getmode( _Out_ u_int *modep ); } 518 AUE_PDFORK STD { int pdfork( _Out_ int *fdp, int flags ); } 519 AUE_PDKILL STD { int pdkill( int fd, int signum ); } 520 AUE_PDGETPID STD { int pdgetpid( int fd, _Out_ pid_t *pidp ); } 521 AUE_PDWAIT UNIMPL pdwait4 522 AUE_SELECT STD { int pselect( int nd, _Inout_opt_ fd_set *in, _Inout_opt_ fd_set *ou, _Inout_opt_ fd_set *ex, _In_opt_ const struct timespec *ts, _In_opt_ const sigset_t *sm ); } 523 AUE_GETLOGINCLASS STD { int getloginclass( _Out_writes_z_(namelen) char *namebuf, size_t namelen ); } 524 AUE_SETLOGINCLASS STD { int setloginclass( _In_z_ const char *namebuf ); } 525 AUE_NULL STD { int rctl_get_racct( _In_reads_bytes_(inbuflen) const void *inbufp, size_t inbuflen, _Out_writes_bytes_(outbuflen) void *outbufp, size_t outbuflen ); } 526 AUE_NULL STD { int rctl_get_rules( _In_reads_bytes_(inbuflen) const void *inbufp, size_t inbuflen, _Out_writes_bytes_(outbuflen) void *outbufp, size_t outbuflen ); } 527 AUE_NULL STD { int rctl_get_limits( _In_reads_bytes_(inbuflen) const void *inbufp, size_t inbuflen, _Out_writes_bytes_(outbuflen) void *outbufp, size_t outbuflen ); } 528 AUE_NULL STD { int rctl_add_rule( _In_reads_bytes_(inbuflen) const void *inbufp, size_t inbuflen, _Out_writes_bytes_(outbuflen) void *outbufp, size_t outbuflen ); } 529 AUE_NULL STD { int rctl_remove_rule( _In_reads_bytes_(inbuflen) const void *inbufp, size_t inbuflen, _Out_writes_bytes_(outbuflen) void *outbufp, size_t outbuflen ); } 530 AUE_POSIX_FALLOCATE STD { int posix_fallocate( int fd, off_t offset, off_t len ); } 531 AUE_POSIX_FADVISE STD { int posix_fadvise( int fd, off_t offset, off_t len, int advice ); } 532 AUE_WAIT6 STD { int wait6( idtype_t idtype, id_t id, _Out_opt_ int *status, int options, _Out_opt_ struct __wrusage *wrusage, _Out_opt_ siginfo_t *info ); } 533 AUE_CAP_RIGHTS_LIMIT STD { int cap_rights_limit( int fd, _In_ cap_rights_t *rightsp ); } 534 AUE_CAP_IOCTLS_LIMIT STD { int cap_ioctls_limit( int fd, _In_reads_(ncmds) const u_long *cmds, size_t ncmds ); } 535 AUE_CAP_IOCTLS_GET STD { ssize_t cap_ioctls_get( int fd, _Out_writes_(maxcmds) u_long *cmds, size_t maxcmds ); } 536 AUE_CAP_FCNTLS_LIMIT STD { int cap_fcntls_limit( int fd, uint32_t fcntlrights ); } 537 AUE_CAP_FCNTLS_GET STD { int cap_fcntls_get( int fd, _Out_ uint32_t *fcntlrightsp ); } 538 AUE_BINDAT STD { int bindat( int fd, int s, _In_reads_bytes_(namelen) const struct sockaddr *name, int namelen ); } 539 AUE_CONNECTAT STD { int connectat( int fd, int s, _In_reads_bytes_(namelen) const struct sockaddr *name, int namelen ); } 540 AUE_CHFLAGSAT STD { int chflagsat( int fd, _In_z_ const char *path, u_long flags, int atflag ); } 541 AUE_ACCEPT STD { int accept4( int s, _Out_writes_bytes_opt_(*anamelen) struct sockaddr *name, _Inout_opt_ __socklen_t *anamelen, int flags ); } 542 AUE_PIPE STD { int pipe2( _Out_writes_(2) int *fildes, int flags ); } 543 AUE_AIO_MLOCK STD { int aio_mlock( _In_ struct aiocb *aiocbp ); } 544 AUE_PROCCTL STD { int procctl( idtype_t idtype, id_t id, int com, _In_opt_ void *data ); } 545 AUE_POLL STD { int ppoll( _Inout_updates_(nfds) struct pollfd *fds, u_int nfds, _In_opt_ const struct timespec *ts, _In_opt_ const sigset_t *set ); } 546 AUE_FUTIMES STD { int futimens( int fd, _In_reads_(2) struct timespec *times ); } 547 AUE_FUTIMESAT STD { int utimensat( int fd, _In_z_ const char *path, _In_reads_(2) struct timespec *times, int flag ); } 548 AUE_NULL OBSOL numa_getaffinity 549 AUE_NULL OBSOL numa_setaffinity 550 AUE_FSYNC STD { int fdatasync( int fd ); } 551 AUE_FSTAT STD { int fstat( int fd, _Out_ struct stat *sb ); } 552 AUE_FSTATAT STD { int fstatat( int fd, _In_z_ const char *path, _Out_ struct stat *buf, int flag ); } 553 AUE_FHSTAT STD { int fhstat( _In_ const struct fhandle *u_fhp, _Out_ struct stat *sb ); } 554 AUE_GETDIRENTRIES STD { ssize_t getdirentries( int fd, _Out_writes_bytes_(count) char *buf, size_t count, _Out_ off_t *basep ); } 555 AUE_STATFS STD { int statfs( _In_z_ const char *path, _Out_ struct statfs *buf ); } 556 AUE_FSTATFS STD { int fstatfs( int fd, _Out_ struct statfs *buf ); } 557 AUE_GETFSSTAT STD { int getfsstat( _Out_writes_bytes_opt_(bufsize) struct statfs *buf, long bufsize, int mode ); } 558 AUE_FHSTATFS STD { int fhstatfs( _In_ const struct fhandle *u_fhp, _Out_ struct statfs *buf ); } 559 AUE_MKNODAT STD { int mknodat( int fd, _In_z_ const char *path, mode_t mode, dev_t dev ); } 560 AUE_KEVENT STD { int kevent( int fd, _In_reads_opt_(nchanges) struct kevent *changelist, int nchanges, _Out_writes_opt_(nevents) struct kevent *eventlist, int nevents, _In_opt_ const struct timespec *timeout ); } 561 AUE_NULL STD { int cpuset_getdomain( cpulevel_t level, cpuwhich_t which, id_t id, size_t domainsetsize, _Out_writes_bytes_(domainsetsize) domainset_t *mask, _Out_ int *policy ); } 562 AUE_NULL STD { int cpuset_setdomain( cpulevel_t level, cpuwhich_t which, id_t id, size_t domainsetsize, _In_ domainset_t *mask, int policy ); } 563 AUE_NULL STD { int getrandom( _Out_writes_bytes_(buflen) void *buf, size_t buflen, unsigned int flags ); } 564 AUE_NULL STD { int getfhat( int fd, _In_z_ char *path, _Out_ struct fhandle *fhp, int flags ); } 565 AUE_NULL STD { int fhlink( _In_ struct fhandle *fhp, _In_z_ const char *to ); } 566 AUE_NULL STD { int fhlinkat( _In_ struct fhandle *fhp, int tofd, _In_z_ const char *to, ); } 567 AUE_NULL STD { int fhreadlink( _In_ struct fhandle *fhp, _Out_writes_(bufsize) char *buf, size_t bufsize ); } 568 AUE_UNLINKAT STD { int funlinkat( int dfd, _In_z_ const char *path, int fd, int flag ); } 569 AUE_NULL STD { ssize_t copy_file_range( int infd, _Inout_opt_ off_t *inoffp, int outfd, _Inout_opt_ off_t *outoffp, size_t len, unsigned int flags ); } 570 AUE_SYSCTL STD { int __sysctlbyname( _In_reads_(namelen) const char *name, size_t namelen, _Out_writes_bytes_opt_(*oldlenp) void *old, _Inout_opt_ size_t *oldlenp, _In_reads_bytes_opt_(newlen) void *new, size_t newlen ); } 571 AUE_SHMOPEN STD { int shm_open2( _In_z_ const char *path, int flags, mode_t mode, int shmflags, _In_z_ const char *name ); } 572 AUE_SHMRENAME STD { int shm_rename( _In_z_ const char *path_from, _In_z_ const char *path_to, int flags ); } 573 AUE_NULL STD { int sigfastblock( int cmd, _Inout_opt_ uint32_t *ptr ); } 574 AUE_REALPATHAT STD { int __realpathat( int fd, _In_z_ const char *path, _Out_writes_z_(size) char *buf, size_t size, int flags ); } 575 AUE_NULL STD { int close_range( u_int lowfd, u_int highfd, int flags ); } ; Please copy any additions and changes to the following compatability tables: ; sys/compat/freebsd32/syscalls.master ; vim: syntax=off Index: head/tools/build/depend-cleanup.sh =================================================================== --- head/tools/build/depend-cleanup.sh (revision 359929) +++ head/tools/build/depend-cleanup.sh (revision 359930) @@ -1,38 +1,40 @@ #!/bin/sh # # $FreeBSD$ # # Our current make(1)-based approach to dependency tracking cannot cope with # certain source tree changes, including: # - removing source files # - replacing generated files with files committed to the tree # - changing file extensions (e.g. a C source file rewritten in C++) # # We handle those cases here in an ad-hoc fashion by looking for the known- # bad case in the main .depend file, and if found deleting all of the related # .depend files (including for example the lib32 version). OBJTOP=$1 if [ ! -d "$OBJTOP" ]; then echo "usage: $(basename $0) objtop" >&2 exit 1 fi # $1 directory # $2 source filename w/o extension # $3 source extension clean_dep() { if [ -e "$OBJTOP"/$1/.depend.$2.pico ] && \ egrep -qw "$2\.$3" "$OBJTOP"/$1/.depend.$2.pico; then \ echo "Removing stale dependencies for $2.$3"; \ rm -f "$OBJTOP"/$1/.depend.$2.* \ "$OBJTOP"/obj-lib32/$1/.depend.$2.* fi } # Date Rev Description # 20190916 r352703 shm_open syscall reimplemented in C clean_dep lib/libc shm_open S # 20200310 r358851 rename of openmp's ittnotify_static.c to .cpp clean_dep lib/libomp ittnotify_static c +# 20200414 r359930 closefrom +clean_dep lib/libc closefrom S