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

   1 /* Define POSIX options for Linux.
   2    Copyright (C) 1996,1997,1999,2000,2002,2003 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /*
  21  * Never include this file directly; use <unistd.h> instead.
  22  */
  23
  24 #ifndef _BITS_POSIX_OPT_H
  25 #define _BITS_POSIX_OPT_H       1
  26
  27 /* Job control is supported.  */
  28 #define _POSIX_JOB_CONTROL      1
  29
  30 /* Processes have a saved set-user-ID and a saved set-group-ID.  */
  31 #define _POSIX_SAVED_IDS        1
  32
  33 /* Priority scheduling is supported.  */
  34 #define _POSIX_PRIORITY_SCHEDULING      200112L
  35
  36 /* Synchronizing file data is supported.  */
  37 #define _POSIX_SYNCHRONIZED_IO  200112L
  38
  39 /* The fsync function is present.  */
  40 #define _POSIX_FSYNC    200112L
  41
  42 /* Mapping of files to memory is supported.  */
  43 #define _POSIX_MAPPED_FILES     200112L
  44
  45 /* Locking of all memory is supported.  */
  46 #define _POSIX_MEMLOCK  200112L
  47
  48 /* Locking of ranges of memory is supported.  */
  49 #define _POSIX_MEMLOCK_RANGE    200112L
  50
  51 /* Setting of memory protections is supported.  */
  52 #define _POSIX_MEMORY_PROTECTION        200112L
  53
  54 /* Only root can change owner of file.  */
  55 #define _POSIX_CHOWN_RESTRICTED 1
  56
  57 /* `c_cc' member of 'struct termios' structure can be disabled by
  58    using the value _POSIX_VDISABLE.  */
  59 #define _POSIX_VDISABLE '\0'
  60
  61 /* Filenames are not silently truncated.  */
  62 #define _POSIX_NO_TRUNC 1
  63
  64 /* X/Open realtime support is available.  */
  65 #define _XOPEN_REALTIME 1
  66
  67 /* XPG4.2 shared memory is supported.  */
  68 #define _XOPEN_SHM      1
  69
  70 /* Real-time signals are supported.  */
  71 #define _POSIX_REALTIME_SIGNALS 200112L
  72
  73 /* The LFS interface is available, except for the asynchronous I/O.  */
  74 #define _LFS_LARGEFILE          1
  75 #define _LFS64_LARGEFILE        1
  76 #define _LFS64_STDIO            1
  77
  78 /* POSIX timers are available.  */
  79 #define _POSIX_TIMERS   200112L
  80
  81 /* POSIX shared memory objects are implemented.  */
  82 #define _POSIX_SHARED_MEMORY_OBJECTS    200112L
  83
  84 /* GNU libc provides regular expression handling.  */
  85 #define _POSIX_REGEXP   1
  86
  87 /* We have a POSIX shell.  */
  88 #define _POSIX_SHELL    1
  89
  90 /* The `spawn' function family is supported.  */
  91 #define _POSIX_SPAWN    200112L
  92
  93 /* The monotonic clock might be available.  */
  94 #define _POSIX_MONOTONIC_CLOCK  0
  95
  96 #endif /* bits/posix_opt.h */