sysdeps/unix/sysv/linux/s390/bits/fcntl.h

   1 /* O_*, F_*, FD_* bit values for Linux.
   2    Copyright (C) 2000-2012 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 #include <bits/wordsize.h>
  24
  25 #if __WORDSIZE == 64
  26 /* Not necessary, files are always with 64bit off_t.  */
  27 # define __O_LARGEFILE  0
  28 #else
  29 # define __O_LARGEFILE  0100000
  30 #endif
  31
  32 #if __WORDSIZE == 64
  33 /* Not necessary, we always have 64-bit offsets.  */
  34 # define F_GETLK64      5       /* Get record locking info.  */
  35 # define F_SETLK64      6       /* Set record locking info (non-blocking).  */
  36 # define F_SETLKW64     7       /* Set record locking info (blocking).  */
  37 #endif
  38
  39 struct flock
  40   {
  41     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
  42     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
  43 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64
  44     __off_t l_start;    /* Offset where the lock begins.  */
  45     __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
  46 #else
  47     __off64_t l_start;  /* Offset where the lock begins.  */
  48     __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
  49 #endif
  50     __pid_t l_pid;      /* Process holding the lock.  */
  51   };
  52
  53 #ifdef __USE_LARGEFILE64
  54 struct flock64
  55   {
  56     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
  57     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
  58     __off64_t l_start;  /* Offset where the lock begins.  */
  59     __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
  60     __pid_t l_pid;      /* Process holding the lock.  */
  61   };
  62 #endif
  63
  64 #if __WORDSIZE == 64
  65 # define __POSIX_FADV_DONTNEED  6 /* Don't need these pages.  */
  66 # define __POSIX_FADV_NOREUSE   7 /* Data will be accessed once.  */
  67 #else
  68 # define __POSIX_FADV_DONTNEED  4 /* Don't need these pages.  */
  69 # define __POSIX_FADV_NOREUSE   5 /* Data will be accessed once.  */
  70 #endif
  71
  72 /* Include generic Linux declarations.  */
  73 #include <bits/fcntl-linux.h>