sysdeps/unix/sysv/linux/alpha/bits/fcntl.h

   1 /* O_*, F_*, FD_* bit values for Linux.
   2    Copyright (C) 1995-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _FCNTL_H
  20 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
  21 #endif
  22
  23 #define O_CREAT          01000  /* not fcntl */
  24 #define O_TRUNC          02000  /* not fcntl */
  25 #define O_EXCL           04000  /* not fcntl */
  26 #define O_NOCTTY        010000  /* not fcntl */
  27
  28 #define O_NONBLOCK       00004
  29 #define O_APPEND         00010
  30 #define O_SYNC          020040000
  31
  32 #define __O_DIRECTORY   0100000 /* Must be a directory.  */
  33 #define __O_NOFOLLOW    0200000 /* Do not follow links.  */
  34 #define __O_CLOEXEC     010000000 /* Set close_on_exec.  */
  35
  36 #define __O_DIRECT      02000000 /* Direct disk access.  */
  37 #define __O_NOATIME     04000000 /* Do not set atime.  */
  38 #define __O_PATH        040000000 /* Resolve pathname but do not open file.  */
  39 #define __O_TMPFILE     0100100000 /* Atomically create nameless file.  */
  40
  41 /* Not necessary, files are always with 64bit off_t.  */
  42 #define __O_LARGEFILE   0
  43
  44 #define __O_DSYNC       040000  /* Synchronize data.  */
  45
  46 #define F_GETLK         7       /* Get record locking info.  */
  47 #define F_SETLK         8       /* Set record locking info (non-blocking).  */
  48 #define F_SETLKW        9       /* Set record locking info (blocking).  */
  49 #define F_GETLK64       F_GETLK /* Get record locking info.  */
  50 #define F_SETLK64       F_SETLK /* Set record locking info (non-blocking).  */
  51 #define F_SETLKW64      F_SETLKW /* Set record locking info (blocking).  */
  52
  53 #define __F_SETOWN      5       /* Get owner of socket (receiver of SIGIO).  */
  54 #define __F_GETOWN      6       /* Set owner of socket (receiver of SIGIO).  */
  55
  56 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf() */
  57 #define F_RDLCK         1       /* Read lock.  */
  58 #define F_WRLCK         2       /* Write lock.  */
  59 #define F_UNLCK         8       /* Remove lock.  */
  60
  61 /* for old implementation of bsd flock () */
  62 #define F_EXLCK         16      /* or 3 */
  63 #define F_SHLCK         32      /* or 4 */
  64
  65 /* We don't need to support __USE_FILE_OFFSET64.  */
  66 struct flock
  67   {
  68     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
  69     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
  70     __off_t l_start;    /* Offset where the lock begins.  */
  71     __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
  72     __pid_t l_pid;      /* Process holding the lock.  */
  73   };
  74
  75 #ifdef __USE_LARGEFILE64
  76 struct flock64
  77   {
  78     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
  79     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
  80     __off64_t l_start;  /* Offset where the lock begins.  */
  81     __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
  82     __pid_t l_pid;      /* Process holding the lock.  */
  83   };
  84 #endif
  85
  86 /* Include generic Linux declarations.  */
  87 #include <bits/fcntl-linux.h>