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