diff options
Diffstat (limited to 'include/unistd.h')
| -rw-r--r-- | include/unistd.h | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/include/unistd.h b/include/unistd.h index 9ccb0e80f..299283382 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -260,8 +260,20 @@ extern int access (__const char *__name, int __type) __THROW __nonnull ((1)); (as normal file operations use). */ extern int euidaccess (__const char *__name, int __type) __THROW __nonnull ((1)); + +/* An alias for `euidaccess', used by some other systems. */ +extern int eaccess (__const char *__name, int __type) + __THROW __nonnull ((1)); #endif +#ifdef __USE_ATFILE +/* Test for access to FILE relative to the directory FD is open on. + If AT_EACCESS is set in FLAG, then use effective IDs like `eaccess', + otherwise use real IDs like `access'. */ +extern int faccessat (int __fd, __const char *__file, int __type, int __flag) + __THROW __nonnull ((2)) __wur; +#endif /* Use GNU. */ + /* Values for the WHENCE argument to lseek. */ #ifndef _STDIO_H /* <stdio.h> has the same definitions. */ @@ -337,16 +349,18 @@ extern ssize_t pread (int __fd, void *__buf, size_t __nbytes, extern ssize_t pwrite (int __fd, __const void *__buf, size_t __n, __off_t __offset) __wur; # else -# ifdef __REDIRECT +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ +# ifdef __REDIRECT extern ssize_t __REDIRECT (pread, (int __fd, void *__buf, size_t __nbytes, __off64_t __offset), pread64) __wur; extern ssize_t __REDIRECT (pwrite, (int __fd, __const void *__buf, size_t __nbytes, __off64_t __offset), pwrite64) __wur; -# else -# define pread pread64 -# define pwrite pwrite64 +# else +# define pread pread64 +# define pwrite pwrite64 +# endif # endif # endif @@ -431,7 +445,7 @@ extern int lchown (__const char *__file, __uid_t __owner, __gid_t __group) #endif /* Use BSD || X/Open Unix. */ -#if 0 /*def __USE_GNU*/ +#ifdef __USE_ATFILE /* Change the owner and group of FILE relative to the directory FD is open on. */ extern int fchownat (int __fd, __const char *__file, __uid_t __owner, @@ -681,29 +695,29 @@ extern int setegid (__gid_t __gid) __THROW; #endif /* Use BSD. */ #ifdef __USE_GNU -/* Fetch the effective user ID, real user ID, and saved-set user ID, +/* Fetch the real user ID, effective user ID, and saved-set user ID, of the calling process. */ -extern int getresuid (__uid_t *__euid, __uid_t *__ruid, __uid_t *__suid) +extern int getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid) __THROW; -/* Fetch the effective group ID, real group ID, and saved-set group ID, +/* Fetch the real group ID, effective group ID, and saved-set group ID, of the calling process. */ -extern int getresgid (__gid_t *__egid, __gid_t *__rgid, __gid_t *__sgid) +extern int getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid) __THROW; -/* Set the effective user ID, real user ID, and saved-set user ID, - of the calling process to EUID, RUID, and SUID, respectively. */ -extern int setresuid (__uid_t __euid, __uid_t __ruid, __uid_t __suid) +/* Set the real user ID, effective user ID, and saved-set user ID, + of the calling process to RUID, EUID, and SUID, respectively. */ +extern int setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid) __THROW; -/* Set the effective group ID, real group ID, and saved-set group ID, - of the calling process to EGID, RGID, and SGID, respectively. */ -extern int setresgid (__gid_t __egid, __gid_t __rgid, __gid_t __sgid) +/* Set the real group ID, effective group ID, and saved-set group ID, + of the calling process to RGID, EGID, and SGID, respectively. */ +extern int setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid) __THROW; #endif -#ifdef __ARCH_HAS_MMU__ +#ifdef __ARCH_USE_MMU__ /* Clone the calling process, creating an exact copy. Return -1 for errors, 0 to the new process, and the process ID of the new process to the old process. */ @@ -718,6 +732,9 @@ extern __pid_t fork (void) __THROW; extern __pid_t vfork (void) __THROW; #endif /* Use BSD. */ +/* Special exit function which only terminates the current thread. */ +extern void __exit_thread (int val) __attribute__ ((noreturn)); + /* Return the pathname of the terminal FD is open on, or NULL on errors. The returned storage is good only until the next call to this function. */ @@ -744,7 +761,7 @@ extern int ttyslot (void) __THROW; extern int link (__const char *__from, __const char *__to) __THROW __nonnull ((1, 2)) __wur; -#if 0 /*def __USE_GNU*/ +#ifdef __USE_ATFILE /* Like link but relative paths in TO and FROM are interpreted relative to FROMFD and TOFD respectively. */ extern int linkat (int __fromfd, __const char *__from, int __tofd, @@ -763,7 +780,7 @@ extern int readlink (__const char *__restrict __path, char *__restrict __buf, size_t __len) __THROW __nonnull ((1, 2)) __wur; #endif /* Use BSD. */ -#if 0 /*def __USE_GNU*/ +#ifdef __USE_ATFILE /* Like symlink but a relative path in TO is interpreted relative to TOFD. */ extern int symlinkat (__const char *__from, int __tofd, __const char *__to) __THROW __nonnull ((1, 3)) __wur; @@ -777,7 +794,7 @@ extern int readlinkat (int __fd, __const char *__restrict __path, /* Remove the link NAME. */ extern int unlink (__const char *__name) __THROW __nonnull ((1)); -#if 0 /*def __USE_GNU*/ +#ifdef __USE_ATFILE /* Remove the link NAME relative to FD. */ extern int unlinkat (int __fd, __const char *__name, int __flag) __THROW __nonnull ((2)); @@ -820,6 +837,7 @@ extern int setlogin (__const char *__name) __THROW __nonnull ((1)); arguments in ARGV (ARGC of them, minus the program name) for options given in OPTS. */ # define __need_getopt +/* keep this for uClibc in bits/, we need it when GNU_GETOPT is disabled */ # include <bits/getopt.h> #endif @@ -885,7 +903,7 @@ extern void endusershell (void) __THROW; /* Discard cached info. */ extern void setusershell (void) __THROW; /* Rewind and re-read the file. */ -#ifdef __ARCH_HAS_MMU__ +#ifdef __ARCH_USE_MMU__ /* Put the program in the background, and dissociate from the controlling terminal. If NOCHDIR is zero, do `chdir ("/")'. If NOCLOSE is zero, redirects stdin, stdout, and stderr to /dev/null. */ |