sysdeps/mach/hurd/bits/posix_opt.h

   1 /* Define POSIX options for GNU/Hurd.
   2    Copyright (C) 1998,2000,2001,2002 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 #ifndef _UNISTD_H
  21 #error "Never include this file directly; use <unistd.h> instead."
  22 #endif
  23
  24 #ifndef _BITS_POSIX_OPT_H
  25 #define _BITS_POSIX_OPT_H       1
  26
  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 #if 0                           /* XXX implement aio_* */
  35 /* Asynchronous I/O is supported.  */
  36 #define _POSIX_ASYNCHRONOUS_IO  1
  37 /* Alternative name for Unix98.  */
  38 #define _LFS_ASYNCHRONOUS_IO    _POSIX_ASYNCHRONOUS_IO
  39 #endif
  40
  41 /* Synchronizing file data is supported, but msync is missing.  */
  42 #undef _POSIX_SYNCHRONIZED_IO
  43
  44 /* The fsync function is present.  */
  45 #define _POSIX_FSYNC    200112L
  46
  47 /* Mapping of files to memory is supported.  */
  48 #define _POSIX_MAPPED_FILES     200112L
  49
  50 /* Locking of ranges of memory is supported.  */
  51 #define _POSIX_MEMLOCK_RANGE    200112L
  52
  53 /* Setting of memory protections is supported.  */
  54 #define _POSIX_MEMORY_PROTECTION        200112L
  55
  56 /* POSIX.4 shared memory objects are supported (using regular files).  */
  57 #define _POSIX_SHARED_MEMORY_OBJECTS    _POSIX_MAPPED_FILES
  58
  59 /* Elements of the `c_cc' member of `struct termios' structure
  60    can be disabled by using the value _POSIX_VDISABLE.  */
  61 #define _POSIX_VDISABLE                 ((unsigned char) -1)
  62
  63
  64 /* Different Hurd filesystems might do these differently.
  65    You must query the particular file with `pathconf' or `fpathconf'.  */
  66 #undef _POSIX_CHOWN_RESTRICTED  /* Only root can change owner of file?  */
  67 #undef _POSIX_NO_TRUNC          /* Overlong file names get error?  */
  68 #undef _POSIX_SYNC_IO           /* File supports O_SYNC et al?  */
  69
  70 /* GNU libc provides regular expression handling.  */
  71 #define _POSIX_REGEXP   1
  72
  73 /* We have a POSIX shell.  */
  74 #define _POSIX_SHELL    1
  75
  76 /* The `spawn' function family is supported.  */
  77 #define _POSIX_SPAWN    200112L
  78
  79 #endif /* bits/posix_opt.h */