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platform_bionic/libc/include/unistd.h
Elliott Hughes 0e14c5a869 <unistd.h> __INTRODUCED_IN cleaup. 
The NDK doesn't support anything older than API level 16, so remove some
more clutter.

Test: builds
Change-Id: If257a27841396af001b089b7ae0fbd8c3e0128e4
2019-10-03 20:35:38 -07:00

324 lines
11 KiB
C
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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 HOLDERS 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
* COPYRIGHT OWNER 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
#include <stddef.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/select.h>
#include <bits/fcntl.h>
#include <bits/getopt.h>
#include <bits/ioctl.h>
#include <bits/lockf.h>
#include <bits/posix_limits.h>
#include <bits/seek_constants.h>
#include <bits/sysconf.h>
__BEGIN_DECLS
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define F_OK 0
#define X_OK 1
#define W_OK 2
#define R_OK 4
#define _PC_FILESIZEBITS 0
#define _PC_LINK_MAX 1
#define _PC_MAX_CANON 2
#define _PC_MAX_INPUT 3
#define _PC_NAME_MAX 4
#define _PC_PATH_MAX 5
#define _PC_PIPE_BUF 6
#define _PC_2_SYMLINKS 7
#define _PC_ALLOC_SIZE_MIN 8
#define _PC_REC_INCR_XFER_SIZE 9
#define _PC_REC_MAX_XFER_SIZE 10
#define _PC_REC_MIN_XFER_SIZE 11
#define _PC_REC_XFER_ALIGN 12
#define _PC_SYMLINK_MAX 13
#define _PC_CHOWN_RESTRICTED 14
#define _PC_NO_TRUNC 15
#define _PC_VDISABLE 16
#define _PC_ASYNC_IO 17
#define _PC_PRIO_IO 18
#define _PC_SYNC_IO 19
extern char** environ;
__noreturn void _exit(int __status);
pid_t fork(void);
pid_t vfork(void) __returns_twice;
pid_t getpid(void);
pid_t gettid(void) __attribute_const__;
pid_t getpgid(pid_t __pid);
int setpgid(pid_t __pid, pid_t __pgid);
pid_t getppid(void);
pid_t getpgrp(void);
int setpgrp(void);
pid_t getsid(pid_t __pid) __INTRODUCED_IN(17);
pid_t setsid(void);
int execv(const char* __path, char* const* __argv);
int execvp(const char* __file, char* const* __argv);
int execvpe(const char* __file, char* const* __argv, char* const* __envp) __INTRODUCED_IN(21);
int execve(const char* __file, char* const* __argv, char* const* __envp);
int execl(const char* __path, const char* __arg0, ...) __attribute__((__sentinel__));
int execlp(const char* __file, const char* __arg0, ...) __attribute__((__sentinel__));
int execle(const char* __path, const char* __arg0, ... /*, char* const* __envp */)
__attribute__((__sentinel__(1)));
int fexecve(int __fd, char* const* __argv, char* const* __envp) __INTRODUCED_IN(28);
int nice(int __incr);
/**
* [setegid(2)](http://man7.org/linux/man-pages/man2/setegid.2.html) sets
* the effective group ID.
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setegid(gid_t __gid);
/**
* [seteuid(2)](http://man7.org/linux/man-pages/man2/seteuid.2.html) sets
* the effective user ID.
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int seteuid(uid_t __uid);
/**
* [setgid(2)](http://man7.org/linux/man-pages/man2/setgid.2.html) sets
* the group ID.
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setgid(gid_t __gid);
/**
* [setregid(2)](http://man7.org/linux/man-pages/man2/setregid.2.html) sets
* the real and effective group IDs (use -1 to leave an ID unchanged).
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setregid(gid_t __rgid, gid_t __egid);
/**
* [setresgid(2)](http://man7.org/linux/man-pages/man2/setresgid.2.html) sets
* the real, effective, and saved group IDs (use -1 to leave an ID unchanged).
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setresgid(gid_t __rgid, gid_t __egid, gid_t __sgid);
/**
* [setresuid(2)](http://man7.org/linux/man-pages/man2/setresuid.2.html) sets
* the real, effective, and saved user IDs (use -1 to leave an ID unchanged).
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setresuid(uid_t __ruid, uid_t __euid, uid_t __suid);
/**
* [setreuid(2)](http://man7.org/linux/man-pages/man2/setreuid.2.html) sets
* the real and effective group IDs (use -1 to leave an ID unchanged).
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setreuid(uid_t __ruid, uid_t __euid);
/**
* [setuid(2)](http://man7.org/linux/man-pages/man2/setuid.2.html) sets
* the user ID.
*
* On Android, this function only affects the calling thread, not all threads
* in the process.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int setuid(uid_t __uid);
uid_t getuid(void);
uid_t geteuid(void);
gid_t getgid(void);
gid_t getegid(void);
int getgroups(int __size, gid_t* __list);
int setgroups(size_t __size, const gid_t* __list);
int getresuid(uid_t* __ruid, uid_t* __euid, uid_t* __suid);
int getresgid(gid_t* __rgid, gid_t* __egid, gid_t* __sgid);
char* getlogin(void);
int getlogin_r(char* __buffer, size_t __buffer_size) __INTRODUCED_IN(28);
long fpathconf(int __fd, int __name);
long pathconf(const char* __path, int __name);
int access(const char* __path, int __mode);
int faccessat(int __dirfd, const char* __path, int __mode, int __flags);
int link(const char* __old_path, const char* __new_path);
int linkat(int __old_dir_fd, const char* __old_path, int __new_dir_fd, const char* __new_path, int __flags) __INTRODUCED_IN(21);
int unlink(const char* __path);
int unlinkat(int __dirfd, const char* __path, int __flags);
int chdir(const char* __path);
int fchdir(int __fd);
int rmdir(const char* __path);
int pipe(int __fds[2]);
#if defined(__USE_GNU)
int pipe2(int __fds[2], int __flags);
#endif
int chroot(const char* __path);
int symlink(const char* __old_path, const char* __new_path);
int symlinkat(const char* __old_path, int __new_dir_fd, const char* __new_path) __INTRODUCED_IN(21);
ssize_t readlink(const char* __path, char* __buf, size_t __buf_size);
ssize_t readlinkat(int __dir_fd, const char* __path, char* __buf, size_t __buf_size)
__INTRODUCED_IN(21);
int chown(const char* __path, uid_t __owner, gid_t __group);
int fchown(int __fd, uid_t __owner, gid_t __group);
int fchownat(int __dir_fd, const char* __path, uid_t __owner, gid_t __group, int __flags);
int lchown(const char* __path, uid_t __owner, gid_t __group);
char* getcwd(char* __buf, size_t __size);
void sync(void);
#if defined(__USE_GNU)
int syncfs(int __fd) __INTRODUCED_IN(28);
#endif
int close(int __fd);
ssize_t read(int __fd, void* __buf, size_t __count);
ssize_t write(int __fd, const void* __buf, size_t __count);
int dup(int __old_fd);
int dup2(int __old_fd, int __new_fd);
int dup3(int __old_fd, int __new_fd, int __flags) __INTRODUCED_IN(21);
int fsync(int __fd);
int fdatasync(int __fd);
/* See https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md */
#if defined(__USE_FILE_OFFSET64)
int truncate(const char* __path, off_t __length) __RENAME(truncate64) __INTRODUCED_IN(21);
off_t lseek(int __fd, off_t __offset, int __whence) __RENAME(lseek64);
ssize_t pread(int __fd, void* __buf, size_t __count, off_t __offset) __RENAME(pread64);
ssize_t pwrite(int __fd, const void* __buf, size_t __count, off_t __offset) __RENAME(pwrite64);
int ftruncate(int __fd, off_t __length) __RENAME(ftruncate64);
#else
int truncate(const char* __path, off_t __length);
off_t lseek(int __fd, off_t __offset, int __whence);
ssize_t pread(int __fd, void* __buf, size_t __count, off_t __offset);
ssize_t pwrite(int __fd, const void* __buf, size_t __count, off_t __offset);
int ftruncate(int __fd, off_t __length);
#endif
int truncate64(const char* __path, off64_t __length) __INTRODUCED_IN(21);
off64_t lseek64(int __fd, off64_t __offset, int __whence);
ssize_t pread64(int __fd, void* __buf, size_t __count, off64_t __offset);
ssize_t pwrite64(int __fd, const void* __buf, size_t __count, off64_t __offset);
int ftruncate64(int __fd, off64_t __length);
int pause(void);
unsigned int alarm(unsigned int __seconds);
unsigned int sleep(unsigned int __seconds);
int usleep(useconds_t __microseconds);
int gethostname(char* __buf, size_t __buf_size);
int sethostname(const char* __name, size_t __n) __INTRODUCED_IN(23);
int brk(void* __addr);
void* sbrk(ptrdiff_t __increment);
int isatty(int __fd);
char* ttyname(int __fd);
int ttyname_r(int __fd, char* __buf, size_t __buf_size);
int acct(const char* __path);
#if __ANDROID_API__ >= __ANDROID_API_L__
int getpagesize(void) __INTRODUCED_IN(21);
#else
static __inline__ int getpagesize(void) {
return sysconf(_SC_PAGESIZE);
}
#endif
long syscall(long __number, ...);
int daemon(int __no_chdir, int __no_close);
#if defined(__arm__) || (defined(__mips__) && !defined(__LP64__))
int cacheflush(long __addr, long __nbytes, long __cache);
/* __attribute__((deprecated("use __builtin___clear_cache instead"))); */
#endif
pid_t tcgetpgrp(int __fd);
int tcsetpgrp(int __fd, pid_t __pid);
/* Used to retry syscalls that can return EINTR. */
#define TEMP_FAILURE_RETRY(exp) ({ \
__typeof__(exp) _rc; \
do { \
_rc = (exp); \
} while (_rc == -1 && errno == EINTR); \
_rc; })
int getdomainname(char* __buf, size_t __buf_size) __INTRODUCED_IN(26);
int setdomainname(const char* __name, size_t __n) __INTRODUCED_IN(26);
void swab(const void* __src, void* __dst, ssize_t __byte_count) __INTRODUCED_IN(28);
#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
#define _UNISTD_H_
#include <bits/fortify/unistd.h>
#undef _UNISTD_H_
#endif
__END_DECLS
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