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tools/build/cross-build/include/linux/unistd.h
- This file was added.
/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause | |||||
* | |||||
* Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org> | |||||
* | |||||
* This software was developed by SRI International and the University of | |||||
* Cambridge Computer Laboratory (Department of Computer Science and | |||||
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the | |||||
* DARPA SSITH research programme. | |||||
* | |||||
* This software was developed by SRI International and the University of | |||||
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) | |||||
* ("CTSRD"), as part of the DARPA CRASH research programme. | |||||
* | |||||
* 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 AUTHOR 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 AUTHOR 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. | |||||
*/ | |||||
#pragma once | |||||
#ifndef __USE_POSIX2 | |||||
/* Ensure that unistd.h pulls in getopt */ | |||||
#define __USE_POSIX2 | |||||
#endif | |||||
#include_next <unistd.h> | |||||
#include <fcntl.h> | |||||
#include <getopt.h> | |||||
#include <stdlib.h> | |||||
#include <string.h> | |||||
#include <sys/syscall.h> | |||||
#ifndef required_argument | |||||
#error "something went wrong including getopt" | |||||
#endif | |||||
__BEGIN_DECLS | |||||
#ifdef __GLIBC__ | |||||
static inline int | |||||
issetugid(void) | |||||
{ | |||||
return 0; | |||||
} | |||||
#endif | |||||
static inline char * | |||||
fflagstostr(u_long flags) | |||||
{ | |||||
return strdup(""); | |||||
} | |||||
static inline int | |||||
strtofflags(char **stringp, u_long *setp, u_long *clrp) | |||||
{ | |||||
/* On linux just ignore the file flags for now */ | |||||
/* | |||||
* XXXAR: this will prevent makefs from setting noschg on libc, etc | |||||
* so we should really build the version from libc | |||||
*/ | |||||
if (setp) | |||||
*setp = 0; | |||||
if (clrp) | |||||
*clrp = 0; | |||||
return 0; /* success */ | |||||
} | |||||
/* | |||||
* getentropy() was added in glibc 2.25. Declare it for !glibc and older | |||||
* versions. | |||||
*/ | |||||
#if defined(__GLIBC__) && !__GLIBC_PREREQ(2, 25) | |||||
static inline int | |||||
getentropy(void *buf, size_t buflen) | |||||
{ | |||||
return syscall(__NR_getrandom, buf, buflen, 0); | |||||
} | |||||
#endif | |||||
/* Used by elftoolchain: */ | |||||
extern char *program_invocation_name; | |||||
extern char *program_invocation_short_name; | |||||
void *setmode(const char *); | |||||
mode_t getmode(const void *, mode_t); | |||||
__END_DECLS |