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
  81 /* Get the canonical absolute name of the named directory, and put it in SIZE
  82    bytes of BUF.  Returns NULL if the directory couldn't be determined or
  83    SIZE was too small.  If successful, returns BUF.  In GNU, if BUF is
  84    NULL, an array is allocated with `malloc'; the array is SIZE bytes long,
  85    unless SIZE <= 0, in which case it is as big as necessary.  */
  86
  87 char *__canonicalize_directory_name_internal (const char *__thisdir,
  88                                               char *__buf,
  89                                               size_t __size) attribute_hidden;
  90
  91 extern int __dup (int __fd);
  92 libc_hidden_proto (__dup)
  93 extern int __dup2 (int __fd, int __fd2);
  94 libc_hidden_proto (__dup2)
  95 extern int __dup3 (int __fd, int __fd2, int flags);
  96 libc_hidden_proto (__dup3)
  97 extern int __execve (const char *__path, char *const __argv[],
  98                      char *const __envp[]) attribute_hidden;
  99 extern long int __pathconf (const char *__path, int __name);
 100 extern long int __fpathconf (int __fd, int __name);
 101 extern long int __sysconf (int __name);
 102 libc_hidden_proto (__sysconf)
 103 extern __pid_t __getpid (void);
 104 libc_hidden_proto (__getpid)
 105 extern __pid_t __getppid (void);
 106 extern __pid_t __setsid (void) attribute_hidden;
 107 extern __uid_t __getuid (void) attribute_hidden;
 108 extern __uid_t __geteuid (void) attribute_hidden;
 109 extern __gid_t __getgid (void) attribute_hidden;
 110 extern __gid_t __getegid (void) attribute_hidden;
 111 extern int __getgroups (int __size, __gid_t __list[]) attribute_hidden;
 112 libc_hidden_proto (__getpgid)
 113 extern int __group_member (__gid_t __gid) attribute_hidden;
 114 extern int __setuid (__uid_t __uid);
 115 extern int __setreuid (__uid_t __ruid, __uid_t __euid);
 116 extern int __setgid (__gid_t __gid);
 117 extern int __setpgid (__pid_t __pid, __pid_t __pgid);
 118 libc_hidden_proto (__setpgid)
 119 extern int __setregid (__gid_t __rgid, __gid_t __egid);
 120 extern int __getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid);
 121 extern int __getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid);
 122 extern int __setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid);
 123 extern int __setresgid (__gid_t __rgid, __gid_t __egid, __gid_t __sgid);
 124 libc_hidden_proto (__getresuid)
 125 libc_hidden_proto (__getresgid)
 126 libc_hidden_proto (__setresuid)
 127 libc_hidden_proto (__setresgid)
 128 extern __pid_t __vfork (void);
 129 libc_hidden_proto (__vfork)
 130 extern int __ttyname_r (int __fd, char *__buf, size_t __buflen)
 131      attribute_hidden;
 132 extern int __isatty (int __fd) attribute_hidden;
 133 extern int __link (const char *__from, const char *__to);
 134 extern int __symlink (const char *__from, const char *__to);
 135 extern ssize_t __readlink (const char *__path, char *__buf, size_t __len)
 136      attribute_hidden;
 137 extern int __unlink (const char *__name) attribute_hidden;
 138 extern int __gethostname (char *__name, size_t __len) attribute_hidden;
 139 extern int __revoke (const char *__file);
 140 extern int __profil (unsigned short int *__sample_buffer, size_t __size,
 141                      size_t __offset, unsigned int __scale)
 142      attribute_hidden;
 143 extern int __getdtablesize (void) attribute_hidden;
 144 extern int __brk (void *__addr) attribute_hidden;
 145 extern int __close (int __fd);
 146 libc_hidden_proto (__close)
 147 extern int __libc_close (int __fd);
 148 extern ssize_t __read (int __fd, void *__buf, size_t __nbytes);
 149 libc_hidden_proto (__read)
 150 extern ssize_t __write (int __fd, const void *__buf, size_t __n);
 151 libc_hidden_proto (__write)
 152 extern __pid_t __fork (void);
 153 libc_hidden_proto (__fork)
 154 extern int __getpagesize (void) __attribute__ ((__const__));
 155 libc_hidden_proto (__getpagesize)
 156 extern int __ftruncate (int __fd, __off_t __length) attribute_hidden;
 157 extern int __ftruncate64 (int __fd, __off64_t __length) attribute_hidden;
 158 extern int __truncate (const char *path, __off_t __length);
 159 extern void *__sbrk (intptr_t __delta);
 160 libc_hidden_proto (__sbrk)
 161
 162
 163 /* This variable is set nonzero at startup if the process's effective
 164    IDs differ from its real IDs, or it is otherwise indicated that
 165    extra security should be used.  When this is set the dynamic linker
 166    and some functions contained in the C library ignore various
 167    environment variables that normally affect them.  */
 168 extern int __libc_enable_secure attribute_relro;
 169 extern int __libc_enable_secure_decided;
 170 rtld_hidden_proto (__libc_enable_secure)
 171
 172
 173 /* Various internal function.  */
 174 extern void __libc_check_standard_fds (void) attribute_hidden;
 175
 176
 177 /* Internal name for fork function.  */
 178 extern __pid_t __libc_fork (void);
 179
 180 /* Suspend the process until a signal arrives.
 181    This always returns -1 and sets `errno' to EINTR.  */
 182 extern int __libc_pause (void);
 183
 184 extern int __getlogin_r_loginuid (char *name, size_t namesize)
 185      attribute_hidden;
 186
 187 #  if IS_IN (rtld)
 188 #   include <dl-unistd.h>
 189 #  endif
 190
 191 # endif
 192 #endif