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Index: sys/amd64/linux32/linux32_dummy.c
===================================================================
--- sys/amd64/linux32/linux32_dummy.c
+++ sys/amd64/linux32/linux32_dummy.c
@@ -133,8 +133,6 @@
DUMMY(recvmmsg);
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
-/* linux 2.6.36: */
-DUMMY(prlimit64);
/* later: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
Index: sys/amd64/linux32/syscalls.master
===================================================================
--- sys/amd64/linux32/syscalls.master
+++ sys/amd64/linux32/syscalls.master
@@ -554,7 +554,10 @@
338 AUE_NULL STD { int linux_fanotify_init(void); }
339 AUE_NULL STD { int linux_fanotify_mark(void); }
; linux 2.6.36:
-340 AUE_NULL STD { int linux_prlimit64(void); }
+340 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, \
+ l_uint resource, \
+ struct rlimit *new, \
+ struct rlimit *old); }
; later:
341 AUE_NULL STD { int linux_name_to_handle_at(void); }
342 AUE_NULL STD { int linux_open_by_handle_at(void); }
Index: sys/compat/linux/linux_misc.c
===================================================================
--- sys/compat/linux/linux_misc.c
+++ sys/compat/linux/linux_misc.c
@@ -2035,6 +2035,71 @@
}
int
+linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args)
+{
+ struct rlimit rlim, nrlim;
+ struct proc *p;
+ u_int which;
+ int error;
+
+#ifdef DEBUG
+ if (ldebug(prlimit64))
+ printf(ARGS(prlimit64, "%d, %d, %p, %p"), args->pid,
+ args->resource, (void *)args->new, (void *)args->old);
+#endif
+
+ if (args->resource >= LINUX_RLIM_NLIMITS)
+ return (EINVAL);
+
+ which = linux_to_bsd_resource[args->resource];
+ if (which == -1)
+ return (EINVAL);
+
+ /*
+ * Note. Unlike FreeBSD where rlim is signed 64-bit Linux rlim
+ * is unsigned 64-bit. FreeBSD treats negative limits as INFINITY
+ * so we do not need a conversion even.
+ */
+ if (args->new != NULL) {
+ error = copyin(args->new, &nrlim, sizeof(struct rlimit));
+ if (error != 0)
+ return (error);
+ }
+
+ if (args->pid == 0) {
+ p = td->td_proc;
+ PROC_LOCK(p);
+ } else {
+ p = pfind(args->pid);
+ if (p == NULL)
+ return (ESRCH);
+ error = p_cansee(td, p);
+ if (error != 0) {
+ PROC_UNLOCK(p);
+ return (EPERM);
+ }
+ }
+
+ _PHOLD(p);
+
+ if (args->old != NULL) {
+ lim_rlimit(p, which, &rlim);
+ PROC_UNLOCK(p);
+ error = copyout(&rlim, args->old, sizeof(struct rlimit));
+ if (error != 0)
+ goto out;
+ } else
+ PROC_UNLOCK(p);
+
+ if (args->new != NULL)
+ error = kern_proc_setrlimit(td, p, which, &nrlim);
+
+ out:
+ PRELE(p);
+ return (error);
+}
+
+int
linux_sched_rr_get_interval(struct thread *td,
struct linux_sched_rr_get_interval_args *uap)
{
Index: sys/i386/linux/linux_dummy.c
===================================================================
--- sys/i386/linux/linux_dummy.c
+++ sys/i386/linux/linux_dummy.c
@@ -129,8 +129,6 @@
DUMMY(recvmmsg);
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
-/* linux 2.6.36: */
-DUMMY(prlimit64);
/* later: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
Index: sys/i386/linux/syscalls.master
===================================================================
--- sys/i386/linux/syscalls.master
+++ sys/i386/linux/syscalls.master
@@ -562,7 +562,10 @@
338 AUE_NULL STD { int linux_fanotify_init(void); }
339 AUE_NULL STD { int linux_fanotify_mark(void); }
; linux 2.6.36:
-340 AUE_NULL STD { int linux_prlimit64(void); }
+340 AUE_NULL STD { int linux_prlimit64(l_pid_t pid, \
+ l_uint resource, \
+ struct rlimit *new, \
+ struct rlimit *old); }
; later:
341 AUE_NULL STD { int linux_name_to_handle_at(void); }
342 AUE_NULL STD { int linux_open_by_handle_at(void); }

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