include/unistd.h

   1 #ifndef _UNISTD_H
   2 # include <posix/unistd.h>
   3
   4 # ifndef _ISOMAC
   5
   6 libc_hidden_proto (_exit, __noreturn__)
   7 rtld_hidden_proto (_exit, __noreturn__)
   8 libc_hidden_proto (alarm)
   9 extern size_t __confstr (int name, char *buf, size_t len);
  10 libc_hidden_proto (__confstr)
  11 libc_hidden_proto (confstr)
  12 libc_hidden_proto (execl)
  13 libc_hidden_proto (execle)
  14 libc_hidden_proto (execlp)
  15 libc_hidden_proto (execvp)
  16 libc_hidden_proto (getpid)
  17 libc_hidden_proto (getsid)
  18 libc_hidden_proto (getdomainname)
  19 extern __typeof (getlogin_r) __getlogin_r  __nonnull ((1));
  20 libc_hidden_proto (__getlogin_r)
  21 libc_hidden_proto (getlogin_r)
  22 libc_hidden_proto (seteuid)
  23 libc_hidden_proto (setegid)
  24 libc_hidden_proto (tcgetpgrp)
  25 libc_hidden_proto (readlinkat)
  26
  27 /* Now define the internal interfaces.  */
  28 extern int __access (const char *__name, int __type);
  29 libc_hidden_proto (__access)
  30 extern int __euidaccess (const char *__name, int __type);
  31 extern int __faccessat (int __fd, const char *__file, int __type, int __flag);
  32 extern int __faccessat_noerrno (int __fd, const char *__file, int __type,
  33                                 int __flag);
  34 extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence)
  35      attribute_hidden;
  36 extern __off_t __lseek (int __fd, __off_t __offset, int __whence);
  37 libc_hidden_proto (__lseek)
  38 extern __off_t __libc_lseek (int __fd, __off_t __offset, int __whence);
  39 extern __off64_t __libc_lseek64 (int __fd, __off64_t __offset, int __whence);
  40 extern ssize_t __pread (int __fd, void *__buf, size_t __nbytes,
  41                         __off_t __offset);
  42 libc_hidden_proto (__pread);
  43 extern ssize_t __libc_pread (int __fd, void *__buf, size_t __nbytes,
  44                              __off_t __offset);
  45 extern ssize_t __pread64 (int __fd, void *__buf, size_t __nbytes,
  46                           __off64_t __offset);
  47 libc_hidden_proto (__pread64);
  48 extern ssize_t __libc_pread64 (int __fd, void *__buf, size_t __nbytes,
  49                                __off64_t __offset) attribute_hidden;
  50 extern ssize_t __pwrite (int __fd, const void *__buf, size_t __n,
  51                          __off_t __offset);
  52 libc_hidden_proto (__pwrite)
  53 extern ssize_t __libc_pwrite (int __fd, const void *__buf, size_t __n,
  54                               __off_t __offset);
  55 extern ssize_t __pwrite64 (int __fd, const void *__buf, size_t __n,
  56                            __off64_t __offset);
  57 libc_hidden_proto (__pwrite64)
  58 extern ssize_t __libc_pwrite64 (int __fd, const void *__buf, size_t __n,
  59                                 __off64_t __offset) attribute_hidden;
  60 extern ssize_t __libc_read (int __fd, void *__buf, size_t __n);
  61 libc_hidden_proto (__libc_read)
  62 libc_hidden_proto (read)
  63 extern ssize_t __libc_write (int __fd, const void *__buf, size_t __n);
  64 libc_hidden_proto (__libc_write)
  65 libc_hidden_proto (write)
  66 extern int __pipe (int __pipedes[2]);
  67 libc_hidden_proto (__pipe)
  68 extern int __pipe2 (int __pipedes[2], int __flags) attribute_hidden;
  69 extern unsigned int __sleep (unsigned int __seconds) attribute_hidden;
  70 extern int __chown (const char *__file,
  71                     __uid_t __owner, __gid_t __group);
  72 libc_hidden_proto (__chown)
  73 extern int __fchown (int __fd,
  74                      __uid_t __owner, __gid_t __group);
  75 extern int __lchown (const char *__file, __uid_t __owner,
  76                      __gid_t __group);
  77 extern int __chdir (const char *__path) attribute_hidden;
  78 extern int __fchdir (int __fd) attribute_hidden;
  79 extern char *__getcwd (char *__buf, size_t __size);
  80 libc_hidden_proto (__getcwd)
  81 extern int __rmdir (const char *__path) attribute_hidden;
  82 extern int __execvpe (const char *file, char *const argv[],
  83                       char *const envp[]) attribute_hidden;
  84 extern int __execvpex (const char *file, char *const argv[],
  85                        char *const envp[]) attribute_hidden;
  86
  87 /* Get the canonical absolute name of the named directory, and put it in SIZE
  88    bytes of BUF.  Returns NULL if the directory couldn't be determined or
  89    SIZE was too small.  If successful, returns BUF.  In GNU, if BUF is
  90    NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
  91    unless SIZE <= 0, in which case it is as big as necessary.  */
  92
  93 char *__canonicalize_directory_name_internal (const char *__thisdir,
  94                                               char *__buf,
  95                                               size_t __size) attribute_hidden;
  96
  97 extern int __dup (int __fd);
  98 libc_hidden_proto (__dup)
  99 extern int __dup2 (int __fd, int __fd2);
 100 libc_hidden_proto (__dup2)
 101 extern int __dup3 (int __fd, int __fd2, int flags);
 102 libc_hidden_proto (__dup3)
 103 extern int __execve (const char *__path, char *const __argv[],
 104                      char *const __envp[]) attribute_hidden;
 105 extern long int __pathconf (const char *__path, int __name);
 106 extern long int __fpathconf (int __fd, int __name);
 107 extern long int __sysconf (int __name);
 108 libc_hidden_proto (__sysconf)
 109 extern __pid_t __getpid (void);
 110 libc_hidden_proto (__getpid)
 111 extern __pid_t __getppid (void);
 112 extern __pid_t __setsid (void) attribute_hidden;
 113 extern __uid_t __getuid (void) attribute_hidden;
 114 extern __uid_t __geteuid (void) attribute_hidden;
 115 extern __gid_t __getgid (void) attribute_hidden;
 116 extern __gid_t __getegid (void) attribute_hidden;
 117 extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
 118 libc_hidden_proto (__getpgid)
 119 extern int __group_member (__gid_t __gid) attribute_hidden;
 120 extern int __setuid (__uid_t __uid);
 121 extern int __setreuid (__uid_t __ruid, __uid_t __euid);
 122 extern int __setgid (__gid_t __gid);
 123 extern int __setpgid (__pid_t __pid, __pid_t __pgid);
 124 libc_hidden_proto (__setpgid)
 125 extern int __setregid (__gid_t __rgid, __gid_t __egid);
 126 extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
 127 extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
 128 extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
 129 extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
 130 libc_hidden_proto (__getresuid)
 131 libc_hidden_proto (__getresgid)
 132 libc_hidden_proto (__setresuid)
 133 libc_hidden_proto (__setresgid)
 134 extern __pid_t __vfork (void);
 135 libc_hidden_proto (__vfork)
 136 extern int __ttyname_r (int __fd, char *__buf, size_t __buflen)
 137      attribute_hidden;
 138 extern int __isatty (int __fd) attribute_hidden;
 139 extern int __link (const char *__from, const char *__to);
 140 extern int __symlink (const char *__from, const char *__to);
 141 extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
 142      attribute_hidden;
 143 extern int __unlink (const char *__name) attribute_hidden;
 144 extern int __gethostname (char *__name, size_t __len) attribute_hidden;
 145 extern int __revoke (const char *__file);
 146 extern int __profil (unsigned short int *__sample_buffer, size_t __size,
 147                      size_t __offset, unsigned int __scale)
 148      attribute_hidden;
 149 extern int __getdtablesize (void) attribute_hidden;
 150 extern int __brk (void *__addr) attribute_hidden;
 151 extern int __close (int __fd);
 152 libc_hidden_proto (__close)
 153 extern int __libc_close (int __fd);
 154 extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
 155 libc_hidden_proto (__read)
 156 extern ssize_t __write (int __fd, const void *__buf, size_t __n);
 157 libc_hidden_proto (__write)
 158 extern __pid_t __fork (void);
 159 libc_hidden_proto (__fork)
 160 extern int __getpagesize (void) __attribute__ ((__const__));
 161 libc_hidden_proto (__getpagesize)
 162 extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
 163 extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
 164 extern int __truncate (const char *path, __off_t __length);
 165 extern void *__sbrk (intptr_t __delta);
 166 libc_hidden_proto (__sbrk)
 167
 168
 169 /* This variable is set nonzero at startup if the process's effective
 170    IDs differ from its real IDs, or it is otherwise indicated that
 171    extra security should be used.  When this is set the dynamic linker
 172    and some functions contained in the C library ignore various
 173    environment variables that normally affect them.  */
 174 extern int __libc_enable_secure attribute_relro;
 175 extern int __libc_enable_secure_decided;
 176 rtld_hidden_proto (__libc_enable_secure)
 177
 178
 179 /* Various internal function.  */
 180 extern void __libc_check_standard_fds (void) attribute_hidden;
 181
 182
 183 /* Internal name for fork function.  */
 184 extern __pid_t __libc_fork (void);
 185
 186 /* Suspend the process until a signal arrives.
 187    This always returns -1 and sets `errno' to EINTR.  */
 188 extern int __libc_pause (void);
 189
 190 extern int __getlogin_r_loginuid (char *name, size_t namesize)
 191      attribute_hidden;
 192
 193 #  if IS_IN (rtld)
 194 #   include <dl-unistd.h>
 195 #  endif
 196
 197 # endif
 198 #endif