include/unistd.h

   1 #ifndef _UNISTD_H
   2 # include <posix/unistd.h>
   3
   4 # ifndef _ISOMAC
   5
   6 libc_hidden_proto (_exit, __noreturn__)
   7 #  ifndef NO_RTLD_HIDDEN
   8 rtld_hidden_proto (_exit, __noreturn__)
   9 #  endif
  10 libc_hidden_proto (alarm)
  11 extern size_t __confstr (int name, char *buf, size_t len);
  12 libc_hidden_proto (__confstr)
  13 libc_hidden_proto (confstr)
  14 libc_hidden_proto (execl)
  15 libc_hidden_proto (execle)
  16 libc_hidden_proto (execlp)
  17 libc_hidden_proto (execvp)
  18 libc_hidden_proto (getpid)
  19 libc_hidden_proto (getsid)
  20 libc_hidden_proto (getdomainname)
  21 extern __typeof (getlogin_r) __getlogin_r  __nonnull ((1));
  22 libc_hidden_proto (__getlogin_r)
  23 libc_hidden_proto (getlogin_r)
  24 libc_hidden_proto (seteuid)
  25 libc_hidden_proto (setegid)
  26 libc_hidden_proto (tcgetpgrp)
  27 libc_hidden_proto (readlinkat)
  28 libc_hidden_proto (fsync)
  29 libc_hidden_proto (fdatasync)
  30
  31 /* Now define the internal interfaces.  */
  32 extern int __access (const char *__name, int __type);
  33 libc_hidden_proto (__access)
  34 extern int __euidaccess (const char *__name, int __type);
  35 extern int __faccessat (int __fd, const char *__file, int __type, int __flag);
  36 extern int __faccessat_noerrno (int __fd, const char *__file, int __type,
  37                                 int __flag);
  38 extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence);
  39 extern __off_t __lseek (int __fd, __off_t __offset, int __whence);
  40 libc_hidden_proto (__lseek)
  41 extern __off_t __libc_lseek (int __fd, __off_t __offset, int __whence);
  42 extern __off64_t __libc_lseek64 (int __fd, __off64_t __offset, int __whence);
  43 extern ssize_t __pread (int __fd, void *__buf, size_t __nbytes,
  44                         __off_t __offset);
  45 libc_hidden_proto (__pread);
  46 extern ssize_t __libc_pread (int __fd, void *__buf, size_t __nbytes,
  47                              __off_t __offset);
  48 extern ssize_t __pread64 (int __fd, void *__buf, size_t __nbytes,
  49                           __off64_t __offset);
  50 libc_hidden_proto (__pread64);
  51 extern ssize_t __libc_pread64 (int __fd, void *__buf, size_t __nbytes,
  52                                __off64_t __offset);
  53 extern ssize_t __pwrite (int __fd, const void *__buf, size_t __n,
  54                          __off_t __offset);
  55 libc_hidden_proto (__pwrite)
  56 extern ssize_t __libc_pwrite (int __fd, const void *__buf, size_t __n,
  57                               __off_t __offset);
  58 extern ssize_t __pwrite64 (int __fd, const void *__buf, size_t __n,
  59                            __off64_t __offset);
  60 libc_hidden_proto (__pwrite64)
  61 extern ssize_t __libc_pwrite64 (int __fd, const void *__buf, size_t __n,
  62                                 __off64_t __offset);
  63 extern ssize_t __libc_read (int __fd, void *__buf, size_t __n);
  64 libc_hidden_proto (__libc_read)
  65 libc_hidden_proto (read)
  66 extern ssize_t __libc_write (int __fd, const void *__buf, size_t __n);
  67 libc_hidden_proto (__libc_write)
  68 libc_hidden_proto (write)
  69 extern int __pipe (int __pipedes[2]);
  70 libc_hidden_proto (__pipe)
  71 extern int __pipe2 (int __pipedes[2], int __flags) attribute_hidden;
  72 extern unsigned int __sleep (unsigned int __seconds) attribute_hidden;
  73 extern int __chown (const char *__file,
  74                     __uid_t __owner, __gid_t __group);
  75 libc_hidden_proto (__chown)
  76 extern int __fchown (int __fd,
  77                      __uid_t __owner, __gid_t __group);
  78 extern int __lchown (const char *__file, __uid_t __owner,
  79                      __gid_t __group);
  80 extern int __chdir (const char *__path) attribute_hidden;
  81 extern int __fchdir (int __fd) attribute_hidden;
  82 extern char *__getcwd (char *__buf, size_t __size);
  83 libc_hidden_proto (__getcwd)
  84 extern int __rmdir (const char *__path) attribute_hidden;
  85 extern int __execvpe (const char *file, char *const argv[],
  86                       char *const envp[]) attribute_hidden;
  87 extern int __execvpex (const char *file, char *const argv[],
  88                        char *const envp[]) attribute_hidden;
  89
  90 /* Get the canonical absolute name of the named directory, and put it in SIZE
  91    bytes of BUF.  Returns NULL if the directory couldn't be determined or
  92    SIZE was too small.  If successful, returns BUF.  In GNU, if BUF is
  93    NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
  94    unless SIZE <= 0, in which case it is as big as necessary.  */
  95
  96 char *__canonicalize_directory_name_internal (const char *__thisdir,
  97                                               char *__buf,
  98                                               size_t __size) attribute_hidden;
  99
 100 extern int __dup (int __fd);
 101 libc_hidden_proto (__dup)
 102 extern int __dup2 (int __fd, int __fd2);
 103 libc_hidden_proto (__dup2)
 104 extern int __dup3 (int __fd, int __fd2, int flags);
 105 libc_hidden_proto (__dup3)
 106 extern int __execve (const char *__path, char *const __argv[],
 107                      char *const __envp[]) attribute_hidden;
 108 extern int __execveat (int dirfd, const char *__path, char *const __argv[],
 109                        char *const __envp[], int flags) attribute_hidden;
 110 extern long int __pathconf (const char *__path, int __name);
 111 extern long int __fpathconf (int __fd, int __name);
 112 extern long int __sysconf (int __name);
 113 libc_hidden_proto (__sysconf)
 114 extern __pid_t __getpid (void);
 115 libc_hidden_proto (__getpid)
 116 extern __pid_t __getppid (void);
 117 extern __pid_t __setsid (void) attribute_hidden;
 118 extern __uid_t __getuid (void) attribute_hidden;
 119 extern __uid_t __geteuid (void) attribute_hidden;
 120 extern __gid_t __getgid (void) attribute_hidden;
 121 extern __gid_t __getegid (void) attribute_hidden;
 122 extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
 123 libc_hidden_proto (__getpgid)
 124 extern int __group_member (__gid_t __gid) attribute_hidden;
 125 extern int __setuid (__uid_t __uid);
 126 extern int __setreuid (__uid_t __ruid, __uid_t __euid);
 127 extern int __setgid (__gid_t __gid);
 128 extern int __setpgid (__pid_t __pid, __pid_t __pgid);
 129 libc_hidden_proto (__setpgid)
 130 extern int __setregid (__gid_t __rgid, __gid_t __egid);
 131 extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
 132 extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
 133 extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
 134 extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
 135 libc_hidden_proto (__getresuid)
 136 libc_hidden_proto (__getresgid)
 137 libc_hidden_proto (__setresuid)
 138 libc_hidden_proto (__setresgid)
 139 extern __pid_t __vfork (void);
 140 libc_hidden_proto (__vfork)
 141 extern int __ttyname_r (int __fd, char *__buf, size_t __buflen);
 142 libc_hidden_proto (__ttyname_r)
 143 extern __pid_t _Fork (void);
 144 libc_hidden_proto (_Fork);
 145 extern int __isatty (int __fd) attribute_hidden;
 146 extern int __link (const char *__from, const char *__to);
 147 extern int __symlink (const char *__from, const char *__to);
 148 extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
 149      attribute_hidden;
 150 extern int __unlink (const char *__name) attribute_hidden;
 151 extern int __gethostname (char *__name, size_t __len) attribute_hidden;
 152 extern int __revoke (const char *__file);
 153 extern int __profil (unsigned short int *__sample_buffer, size_t __size,
 154                      size_t __offset, unsigned int __scale)
 155      attribute_hidden;
 156 extern int __getdtablesize (void) attribute_hidden;
 157 extern int __brk (void *__addr) attribute_hidden;
 158 extern int __close (int __fd);
 159 libc_hidden_proto (__close)
 160 extern int __libc_close (int __fd);
 161 extern _Bool __closefrom_fallback (int __lowfd, _Bool) attribute_hidden;
 162 extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
 163 libc_hidden_proto (__read)
 164 extern ssize_t __write (int __fd, const void *__buf, size_t __n);
 165 libc_hidden_proto (__write)
 166 extern __pid_t __fork (void);
 167 libc_hidden_proto (__fork)
 168 extern int __getpagesize (void) __attribute__ ((__const__));
 169 libc_hidden_proto (__getpagesize)
 170 extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
 171 extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
 172 extern int __truncate (const char *path, __off_t __length);
 173 extern void *__sbrk (intptr_t __delta);
 174 libc_hidden_proto (__sbrk)
 175
 176
 177 /* This variable is set nonzero at startup if the process's effective
 178    IDs differ from its real IDs, or it is otherwise indicated that
 179    extra security should be used.  When this is set the dynamic linker
 180    and some functions contained in the C library ignore various
 181    environment variables that normally affect them.  */
 182 extern int __libc_enable_secure attribute_relro;
 183 extern int __libc_enable_secure_decided;
 184 rtld_hidden_proto (__libc_enable_secure)
 185
 186
 187 /* Various internal function.  */
 188 extern void __libc_check_standard_fds (void) attribute_hidden;
 189
 190
 191 /* Internal name for fork function.  */
 192 extern __pid_t __libc_fork (void);
 193
 194 /* Suspend the process until a signal arrives.
 195    This always returns -1 and sets `errno' to EINTR.  */
 196 extern int __libc_pause (void);
 197
 198 extern int __getlogin_r_loginuid (char *name, size_t namesize)
 199      attribute_hidden;
 200
 201 #  if IS_IN (rtld)
 202 #   include <dl-unistd.h>
 203 #  endif
 204
 205 # endif
 206 #endif