sysdeps/unix/sysv/linux/bits/posix_opt.h

   1 /* Define POSIX options for Linux.
   2    Copyright (C) 1996,1997,1999,2000,2002,2003,2008
   3    Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 /*
  22  * Never include this file directly; use <unistd.h> instead.
  23  */
  24
  25 #ifndef _BITS_POSIX_OPT_H
  26 #define _BITS_POSIX_OPT_H       1
  27
  28 /* Job control is supported.  */
  29 #define _POSIX_JOB_CONTROL      1
  30
  31 /* Processes have a saved set-user-ID and a saved set-group-ID.  */
  32 #define _POSIX_SAVED_IDS        1
  33
  34 /* Priority scheduling is supported.  */
  35 #define _POSIX_PRIORITY_SCHEDULING      200112L
  36
  37 /* Synchronizing file data is supported.  */
  38 #define _POSIX_SYNCHRONIZED_IO  200112L
  39
  40 /* The fsync function is present.  */
  41 #define _POSIX_FSYNC    200112L
  42
  43 /* Mapping of files to memory is supported.  */
  44 #define _POSIX_MAPPED_FILES     200112L
  45
  46 /* Locking of all memory is supported.  */
  47 #define _POSIX_MEMLOCK  200112L
  48
  49 /* Locking of ranges of memory is supported.  */
  50 #define _POSIX_MEMLOCK_RANGE    200112L
  51
  52 /* Setting of memory protections is supported.  */
  53 #define _POSIX_MEMORY_PROTECTION        200112L
  54
  55 /* Some filesystems allow all users to change file ownership.  */
  56 #define _POSIX_CHOWN_RESTRICTED 0
  57
  58 /* `c_cc' member of 'struct termios' structure can be disabled by
  59    using the value _POSIX_VDISABLE.  */
  60 #define _POSIX_VDISABLE '\0'
  61
  62 /* Filenames are not silently truncated.  */
  63 #define _POSIX_NO_TRUNC 1
  64
  65 /* X/Open realtime support is available.  */
  66 #define _XOPEN_REALTIME 1
  67
  68 /* XPG4.2 shared memory is supported.  */
  69 #define _XOPEN_SHM      1
  70
  71 /* Real-time signals are supported.  */
  72 #define _POSIX_REALTIME_SIGNALS 200112L
  73
  74 /* The LFS interface is available, except for the asynchronous I/O.  */
  75 #define _LFS_LARGEFILE          1
  76 #define _LFS64_LARGEFILE        1
  77 #define _LFS64_STDIO            1
  78
  79 /* POSIX timers are available.  */
  80 #define _POSIX_TIMERS   200112L
  81
  82 /* POSIX shared memory objects are implemented.  */
  83 #define _POSIX_SHARED_MEMORY_OBJECTS    200112L
  84
  85 /* GNU libc provides regular expression handling.  */
  86 #define _POSIX_REGEXP   1
  87
  88 /* We have a POSIX shell.  */
  89 #define _POSIX_SHELL    1
  90
  91 /* The `spawn' function family is supported.  */
  92 #define _POSIX_SPAWN    200112L
  93
  94 /* The monotonic clock might be available.  */
  95 #define _POSIX_MONOTONIC_CLOCK  0
  96
  97 #endif /* bits/posix_opt.h */