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Feature test macros overhaul: unistd.h 

Throughout, use proper internal macros for functions, including those
marked as target-specific.  Use ATFILE for all *at functions.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2016-03-14 21:03:34 -05:00
parent 43e5ee83fe
commit be657151f1
1 changed files with 41 additions and 35 deletions
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76
newlib/libc/include/sys/unistd.h
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@ -24,63 +24,67 @@ int _EXFUN(chmod, (const char *__path, mode_t __mode ));
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
int _EXFUN(chown, (const char *__path, uid_t __owner, gid_t __group )); int _EXFUN(chown, (const char *__path, uid_t __owner, gid_t __group ));
#endif #endif
#if defined(__CYGWIN__) || defined(__rtems__) #if __BSD_VISIBLE || (__XSI_VISIBLE >= 4 && __POSIX_VISIBLE < 200112)
int _EXFUN(chroot, (const char *__path )); int _EXFUN(chroot, (const char *__path ));
#endif #endif
int _EXFUN(close, (int __fildes )); int _EXFUN(close, (int __fildes ));
#if defined(__CYGWIN__) #if __POSIX_VISIBLE >= 199209
size_t _EXFUN(confstr, (int __name, char *__buf, size_t __len)); size_t _EXFUN(confstr, (int __name, char *__buf, size_t __len));
#endif #endif
char * _EXFUN(ctermid, (char *__s )); char * _EXFUN(ctermid, (char *__s ));
char * _EXFUN(cuserid, (char *__s )); char * _EXFUN(cuserid, (char *__s ));
#if defined(__CYGWIN__) #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
int _EXFUN(daemon, (int nochdir, int noclose)); int _EXFUN(daemon, (int nochdir, int noclose));
#endif #endif
int _EXFUN(dup, (int __fildes )); int _EXFUN(dup, (int __fildes ));
int _EXFUN(dup2, (int __fildes, int __fildes2 )); int _EXFUN(dup2, (int __fildes, int __fildes2 ));
#if defined(__CYGWIN__) #if __GNU_VISIBLE
int _EXFUN(dup3, (int __fildes, int __fildes2, int flags)); int _EXFUN(dup3, (int __fildes, int __fildes2, int flags));
int _EXFUN(eaccess, (const char *__path, int __mode)); int _EXFUN(eaccess, (const char *__path, int __mode));
#endif
#if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
void _EXFUN(endusershell, (void)); void _EXFUN(endusershell, (void));
#endif
#if __GNU_VISIBLE
int _EXFUN(euidaccess, (const char *__path, int __mode)); int _EXFUN(euidaccess, (const char *__path, int __mode));
#endif #endif
int _EXFUN(execl, (const char *__path, const char *, ... )); int _EXFUN(execl, (const char *__path, const char *, ... ));
int _EXFUN(execle, (const char *__path, const char *, ... )); int _EXFUN(execle, (const char *__path, const char *, ... ));
int _EXFUN(execlp, (const char *__file, const char *, ... )); int _EXFUN(execlp, (const char *__file, const char *, ... ));
#if defined(__CYGWIN__) #if __MISC_VISIBLE
int _EXFUN(execlpe, (const char *__file, const char *, ... )); int _EXFUN(execlpe, (const char *__file, const char *, ... ));
#endif #endif
int _EXFUN(execv, (const char *__path, char * const __argv[] )); int _EXFUN(execv, (const char *__path, char * const __argv[] ));
int _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] )); int _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));
int _EXFUN(execvp, (const char *__file, char * const __argv[] )); int _EXFUN(execvp, (const char *__file, char * const __argv[] ));
#if defined(__CYGWIN__) #if __GNU_VISIBLE
int _EXFUN(execvpe, (const char *__file, char * const __argv[], char * const __envp[] )); int _EXFUN(execvpe, (const char *__file, char * const __argv[], char * const __envp[] ));
#endif #endif
#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE || defined(__CYGWIN__) #if __ATFILE_VISIBLE
int _EXFUN(faccessat, (int __dirfd, const char *__path, int __mode, int __flags)); int _EXFUN(faccessat, (int __dirfd, const char *__path, int __mode, int __flags));
#endif #endif
#if defined(__CYGWIN__) || defined(__rtems__) || defined(__SPU__) #if __BSD_VISIBLE || __XSI_VISIBLE >= 4
int _EXFUN(fchdir, (int __fildes)); int _EXFUN(fchdir, (int __fildes));
#endif #endif
int _EXFUN(fchmod, (int __fildes, mode_t __mode )); int _EXFUN(fchmod, (int __fildes, mode_t __mode ));
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
int _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group )); int _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group ));
#endif #endif
#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE || defined(__CYGWIN__) #if __ATFILE_VISIBLE
int _EXFUN(fchownat, (int __dirfd, const char *__path, uid_t __owner, gid_t __group, int __flags)); int _EXFUN(fchownat, (int __dirfd, const char *__path, uid_t __owner, gid_t __group, int __flags));
#endif #endif
#if defined(__CYGWIN__) #if __POSIX_VISIBLE >= 200809
int _EXFUN(fexecve, (int __fd, char * const __argv[], char * const __envp[] )); int _EXFUN(fexecve, (int __fd, char * const __argv[], char * const __envp[] ));
#endif #endif
pid_t _EXFUN(fork, (void )); pid_t _EXFUN(fork, (void ));
long _EXFUN(fpathconf, (int __fd, int __name )); long _EXFUN(fpathconf, (int __fd, int __name ));
int _EXFUN(fsync, (int __fd)); int _EXFUN(fsync, (int __fd));
int _EXFUN(fdatasync, (int __fd)); int _EXFUN(fdatasync, (int __fd));
#if defined(__CYGWIN__) #if __GNU_VISIBLE
char * _EXFUN(get_current_dir_name, (void)); char * _EXFUN(get_current_dir_name, (void));
#endif #endif
char * _EXFUN(getcwd, (char *__buf, size_t __size )); char * _EXFUN(getcwd, (char *__buf, size_t __size ));
#if defined(__CYGWIN__) #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
int _EXFUN(getdomainname ,(char *__name, size_t __len)); int _EXFUN(getdomainname ,(char *__name, size_t __len));
#endif #endif
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
@ -89,7 +93,7 @@ uid_t _EXFUN(geteuid, (void ));
gid_t _EXFUN(getgid, (void )); gid_t _EXFUN(getgid, (void ));
#endif #endif
int _EXFUN(getgroups, (int __gidsetsize, gid_t __grouplist[] )); int _EXFUN(getgroups, (int __gidsetsize, gid_t __grouplist[] ));
#if defined(__CYGWIN__) #if __BSD_VISIBLE || __XSI_VISIBLE >= 4
long _EXFUN(gethostid, (void)); long _EXFUN(gethostid, (void));
#endif #endif
char * _EXFUN(getlogin, (void )); char * _EXFUN(getlogin, (void ));
@ -98,22 +102,26 @@ int _EXFUN(getlogin_r, (char *name, size_t namesize) );
#endif #endif
char * _EXFUN(getpass, (const char *__prompt)); char * _EXFUN(getpass, (const char *__prompt));
int _EXFUN(getpagesize, (void)); int _EXFUN(getpagesize, (void));
#if defined(__CYGWIN__) #if __BSD_VISIBLE
int _EXFUN(getpeereid, (int, uid_t *, gid_t *)); int _EXFUN(getpeereid, (int, uid_t *, gid_t *));
#endif #endif
pid_t _EXFUN(getpgid, (pid_t)); pid_t _EXFUN(getpgid, (pid_t));
pid_t _EXFUN(getpgrp, (void )); pid_t _EXFUN(getpgrp, (void ));
pid_t _EXFUN(getpid, (void )); pid_t _EXFUN(getpid, (void ));
pid_t _EXFUN(getppid, (void )); pid_t _EXFUN(getppid, (void ));
#if defined(__CYGWIN__) || defined(__rtems__) #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 4
pid_t _EXFUN(getsid, (pid_t)); pid_t _EXFUN(getsid, (pid_t));
#endif #endif
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
uid_t _EXFUN(getuid, (void )); uid_t _EXFUN(getuid, (void ));
#endif #endif
#ifdef __CYGWIN__ #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
char * _EXFUN(getusershell, (void)); char * _EXFUN(getusershell, (void));
#endif
#if __BSD_VISIBLE || (__XSI_VISIBLE >= 4 && __POSIX_VISIBLE < 200809)
char * _EXFUN(getwd, (char *__buf )); char * _EXFUN(getwd, (char *__buf ));
#endif
#if __BSD_VISIBLE
int _EXFUN(iruserok, (unsigned long raddr, int superuser, const char *ruser, const char *luser)); int _EXFUN(iruserok, (unsigned long raddr, int superuser, const char *ruser, const char *luser));
#endif #endif
int _EXFUN(isatty, (int __fildes )); int _EXFUN(isatty, (int __fildes ));
@ -124,14 +132,14 @@ int _EXFUN(issetugid, (void));
int _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group )); int _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group ));
#endif #endif
int _EXFUN(link, (const char *__path1, const char *__path2 )); int _EXFUN(link, (const char *__path1, const char *__path2 ));
#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE || defined(__CYGWIN__) #if __ATFILE_VISIBLE
int _EXFUN(linkat, (int __dirfd1, const char *__path1, int __dirfd2, const char *__path2, int __flags )); int _EXFUN(linkat, (int __dirfd1, const char *__path1, int __dirfd2, const char *__path2, int __flags ));
#endif #endif
int _EXFUN(nice, (int __nice_value )); int _EXFUN(nice, (int __nice_value ));
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
off_t _EXFUN(lseek, (int __fildes, off_t __offset, int __whence )); off_t _EXFUN(lseek, (int __fildes, off_t __offset, int __whence ));
#endif #endif
#if defined(__SPU__) || defined(__CYGWIN__) #if __MISC_VISIBLE || __XSI_VISIBLE >= 4
#define F_ULOCK 0 #define F_ULOCK 0
#define F_LOCK 1 #define F_LOCK 1
#define F_TLOCK 2 #define F_TLOCK 2
@ -140,41 +148,41 @@ int _EXFUN(lockf, (int __fd, int __cmd, off_t __len));
#endif #endif
long _EXFUN(pathconf, (const char *__path, int __name )); long _EXFUN(pathconf, (const char *__path, int __name ));
int _EXFUN(pause, (void )); int _EXFUN(pause, (void ));
#ifdef __CYGWIN__ #if __POSIX_VISIBLE >= 199506
int _EXFUN(pthread_atfork, (void (*)(void), void (*)(void), void (*)(void))); int _EXFUN(pthread_atfork, (void (*)(void), void (*)(void), void (*)(void)));
#endif #endif
int _EXFUN(pipe, (int __fildes[2] )); int _EXFUN(pipe, (int __fildes[2] ));
#ifdef __CYGWIN__ #if __GNU_VISIBLE
int _EXFUN(pipe2, (int __fildes[2], int flags)); int _EXFUN(pipe2, (int __fildes[2], int flags));
#endif #endif
ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset)); ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset));
ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset)); ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset));
_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte )); _READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte ));
#if defined(__CYGWIN__) #if __BSD_VISIBLE
int _EXFUN(rresvport, (int *__alport)); int _EXFUN(rresvport, (int *__alport));
int _EXFUN(revoke, (char *__path)); int _EXFUN(revoke, (char *__path));
#endif #endif
int _EXFUN(rmdir, (const char *__path )); int _EXFUN(rmdir, (const char *__path ));
#if defined(__CYGWIN__) #if __BSD_VISIBLE
int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser)); int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));
#endif #endif
void * _EXFUN(sbrk, (ptrdiff_t __incr)); void * _EXFUN(sbrk, (ptrdiff_t __incr));
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
#if defined(__CYGWIN__) || defined(__rtems__) #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
int _EXFUN(setegid, (gid_t __gid )); int _EXFUN(setegid, (gid_t __gid ));
int _EXFUN(seteuid, (uid_t __uid )); int _EXFUN(seteuid, (uid_t __uid ));
#endif #endif
int _EXFUN(setgid, (gid_t __gid )); int _EXFUN(setgid, (gid_t __gid ));
#endif #endif
#if defined(__CYGWIN__) #if __BSD_VISIBLE
int _EXFUN(setgroups, (int ngroups, const gid_t *grouplist )); int _EXFUN(setgroups, (int ngroups, const gid_t *grouplist ));
#endif #endif
#if __BSD_VISIBLE || (defined(_XOPEN_SOURCE) && __XSI_VISIBLE < 500) #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
int _EXFUN(sethostname, (const char *, size_t)); int _EXFUN(sethostname, (const char *, size_t));
#endif #endif
int _EXFUN(setpgid, (pid_t __pid, pid_t __pgid )); int _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));
int _EXFUN(setpgrp, (void )); int _EXFUN(setpgrp, (void ));
#if defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__) #if (__BSD_VISIBLE || __XSI_VISIBLE >= 4) && !defined(__INSIDE_CYGWIN__)
int _EXFUN(setregid, (gid_t __rgid, gid_t __egid)); int _EXFUN(setregid, (gid_t __rgid, gid_t __egid));
int _EXFUN(setreuid, (uid_t __ruid, uid_t __euid)); int _EXFUN(setreuid, (uid_t __ruid, uid_t __euid));
#endif #endif
@ -182,7 +190,7 @@ pid_t _EXFUN(setsid, (void ));
#if !defined(__INSIDE_CYGWIN__) #if !defined(__INSIDE_CYGWIN__)
int _EXFUN(setuid, (uid_t __uid )); int _EXFUN(setuid, (uid_t __uid ));
#endif #endif
#if defined(__CYGWIN__) #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
void _EXFUN(setusershell, (void)); void _EXFUN(setusershell, (void));
#endif #endif
unsigned _EXFUN(sleep, (unsigned int __seconds )); unsigned _EXFUN(sleep, (unsigned int __seconds ));
@ -191,9 +199,7 @@ long _EXFUN(sysconf, (int __name ));
pid_t _EXFUN(tcgetpgrp, (int __fildes )); pid_t _EXFUN(tcgetpgrp, (int __fildes ));
int _EXFUN(tcsetpgrp, (int __fildes, pid_t __pgrp_id )); int _EXFUN(tcsetpgrp, (int __fildes, pid_t __pgrp_id ));
char * _EXFUN(ttyname, (int __fildes )); char * _EXFUN(ttyname, (int __fildes ));
#if defined(__CYGWIN__) || defined(__rtems__)
int _EXFUN(ttyname_r, (int, char *, size_t)); int _EXFUN(ttyname_r, (int, char *, size_t));
#endif
int _EXFUN(unlink, (const char *__path )); int _EXFUN(unlink, (const char *__path ));
int _EXFUN(usleep, (useconds_t __useconds)); int _EXFUN(usleep, (useconds_t __useconds));
int _EXFUN(vhangup, (void )); int _EXFUN(vhangup, (void ));
@ -210,9 +216,9 @@ int getopt(int, char * const [], const char *);
extern int optreset; /* getopt(3) external variable */ extern int optreset; /* getopt(3) external variable */
#endif #endif
#ifndef _POSIX_SOURCE #if __BSD_VISIBLE || (__XSI_VISIBLE >= 4 && __POSIX_VISIBLE < 200809)
pid_t _EXFUN(vfork, (void )); pid_t _EXFUN(vfork, (void ));
#endif /* _POSIX_SOURCE */ #endif
#ifdef _COMPILING_NEWLIB #ifdef _COMPILING_NEWLIB
/* Provide prototypes for most of the _<systemcall> names that are /* Provide prototypes for most of the _<systemcall> names that are
@ -255,14 +261,14 @@ char * _EXFUN(mktemp, (char *));
void _EXFUN(sync, (void)); void _EXFUN(sync, (void));
#endif #endif
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 4
ssize_t _EXFUN(readlink, (const char *__restrict __path, ssize_t _EXFUN(readlink, (const char *__restrict __path,
char *__restrict __buf, size_t __buflen)); char *__restrict __buf, size_t __buflen));
#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE || defined(__CYGWIN__) int _EXFUN(symlink, (const char *__name1, const char *__name2));
#endif
#if __ATFILE_VISIBLE
ssize_t _EXFUN(readlinkat, (int __dirfd1, const char *__restrict __path, ssize_t _EXFUN(readlinkat, (int __dirfd1, const char *__restrict __path,
char *__restrict __buf, size_t __buflen)); char *__restrict __buf, size_t __buflen));
#endif
int _EXFUN(symlink, (const char *__name1, const char *__name2));
#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE || defined(__CYGWIN__)
int _EXFUN(symlinkat, (const char *, int, const char *)); int _EXFUN(symlinkat, (const char *, int, const char *));
int _EXFUN(unlinkat, (int, const char *, int)); int _EXFUN(unlinkat, (int, const char *, int));
#endif #endif