sysdeps/mach/hurd/bits/posix_opt.h

   1 /* Define POSIX options for GNU/Hurd.
   2    Copyright (C) 1998-2014 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 _UNISTD_H
  20 #error "Never include this file directly; use <unistd.h> instead."
  21 #endif
  22
  23 #ifndef _BITS_POSIX_OPT_H
  24 #define _BITS_POSIX_OPT_H       1
  25
  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 not supported.  */
  34 #undef  _POSIX_PRIORITY_SCHEDULING
  35
  36 /* Synchronizing file data is supported, but msync is missing.  */
  37 #undef _POSIX_SYNCHRONIZED_IO
  38
  39 /* The fsync function is present.  */
  40 #define _POSIX_FSYNC    200809L
  41
  42 /* Mapping of files to memory is supported.  */
  43 #define _POSIX_MAPPED_FILES     200809L
  44
  45 /* Locking of all memory could be supported in future.  */
  46 #define _POSIX_MEMLOCK  0
  47
  48 /* Locking of ranges of memory is supported.  */
  49 #define _POSIX_MEMLOCK_RANGE    200809L
  50
  51 /* Setting of memory protections is supported.  */
  52 #define _POSIX_MEMORY_PROTECTION        200809L
  53
  54 /* Elements of the `c_cc' member of `struct termios' structure
  55    can be disabled by using the value _POSIX_VDISABLE.  */
  56 #define _POSIX_VDISABLE                 ((unsigned char) -1)
  57
  58
  59 /* Different Hurd filesystems might do these differently.
  60    You must query the particular file with `pathconf' or `fpathconf'.  */
  61 #undef _POSIX_CHOWN_RESTRICTED  /* Only root can change owner of file?  */
  62 #undef _POSIX_NO_TRUNC          /* Overlong file names get error?  */
  63 #undef _POSIX_SYNC_IO           /* File supports O_SYNC et al?  */
  64
  65 /* X/Open realtime support is not supported.  */
  66 #undef _XOPEN_REALTIME
  67
  68 /* X/Open thread realtime support is not supported.  */
  69 #undef _XOPEN_REALTIME_THREADS
  70
  71 /* XPG4.2 shared memory is not supported.  */
  72 #undef  _XOPEN_SHM
  73
  74 /* We do not have the POSIX threads interface.  */
  75 #define _POSIX_THREADS  -1
  76
  77 /* We have the reentrant functions described in POSIX.  */
  78 #define _POSIX_REENTRANT_FUNCTIONS      1
  79 #define _POSIX_THREAD_SAFE_FUNCTIONS    200809L
  80
  81 /* These are all things that won't be supported when _POSIX_THREADS is not.  */
  82 #define _POSIX_THREAD_PRIORITY_SCHEDULING       -1
  83 #define _POSIX_THREAD_ATTR_STACKSIZE            -1
  84 #define _POSIX_THREAD_ATTR_STACKADDR            -1
  85 #define _POSIX_THREAD_PRIO_INHERIT              -1
  86 #define _POSIX_THREAD_PRIO_PROTECT              -1
  87 #ifdef __USE_XOPEN2K8
  88 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT      -1
  89 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT      -1
  90 #endif
  91 #define _POSIX_SEMAPHORES                       -1
  92
  93 /* Real-time signals are not yet supported.  */
  94 #define _POSIX_REALTIME_SIGNALS -1
  95
  96 /* Asynchronous I/O might supported with the existing ABI.  */
  97 #define _POSIX_ASYNCHRONOUS_IO  0
  98 #undef _POSIX_ASYNC_IO
  99 /* Alternative name for Unix98.  */
 100 #define _LFS_ASYNCHRONOUS_IO    _POSIX_ASYNCHRONOUS_IO
 101 /* Support for prioritization is not available.  */
 102 #undef _POSIX_PRIORITIZED_IO
 103
 104 /* The LFS support in asynchronous I/O is also available.  */
 105 #define _LFS64_ASYNCHRONOUS_IO  _POSIX_ASYNCHRONOUS_IO
 106
 107 /* The rest of the LFS is also available.  */
 108 #define _LFS_LARGEFILE          1
 109 #define _LFS64_LARGEFILE        1
 110 #define _LFS64_STDIO            1
 111
 112 /* POSIX.4 shared memory objects are supported (using regular files).  */
 113 #define _POSIX_SHARED_MEMORY_OBJECTS    _POSIX_MAPPED_FILES
 114
 115 /* CPU-time clocks support needs to be checked at runtime.  */
 116 #define _POSIX_CPUTIME  0
 117
 118 /* Clock support in threads must be also checked at runtime.  */
 119 #define _POSIX_THREAD_CPUTIME   0
 120
 121 /* GNU libc provides regular expression handling.  */
 122 #define _POSIX_REGEXP   1
 123
 124 /* Reader/Writer locks are not available.  */
 125 #define _POSIX_READER_WRITER_LOCKS      -1
 126
 127 /* We have a POSIX shell.  */
 128 #define _POSIX_SHELL    1
 129
 130 /* We cannot support the Timeouts option without _POSIX_THREADS.  */
 131 #define _POSIX_TIMEOUTS -1
 132
 133 /* We do not support spinlocks.  */
 134 #define _POSIX_SPIN_LOCKS       -1
 135
 136 /* The `spawn' function family is supported.  */
 137 #define _POSIX_SPAWN    200809L
 138
 139 /* We do not have POSIX timers, but could in future without ABI change.  */
 140 #define _POSIX_TIMERS   0
 141
 142 /* The barrier functions are not available.  */
 143 #define _POSIX_BARRIERS -1
 144
 145 /* POSIX message queues could be available in future.  */
 146 #define _POSIX_MESSAGE_PASSING  0
 147
 148 /* Thread process-shared synchronization is not supported.  */
 149 #define _POSIX_THREAD_PROCESS_SHARED    -1
 150
 151 /* The monotonic clock might be available.  */
 152 #define _POSIX_MONOTONIC_CLOCK  0
 153
 154 /* The clock selection interfaces are available.  */
 155 #define _POSIX_CLOCK_SELECTION  200809L
 156
 157 /* Advisory information interfaces could be available in future.  */
 158 #define _POSIX_ADVISORY_INFO    0
 159
 160 /* IPv6 support is available.  */
 161 #define _POSIX_IPV6     200809L
 162
 163 /* Raw socket support is available.  */
 164 #define _POSIX_RAW_SOCKETS      200809L
 165
 166 /* We have at least one terminal.  */
 167 #define _POSIX2_CHAR_TERM       200809L
 168
 169 /* Neither process nor thread sporadic server interfaces is available.  */
 170 #define _POSIX_SPORADIC_SERVER  -1
 171 #define _POSIX_THREAD_SPORADIC_SERVER   -1
 172
 173 /* trace.h is not available.  */
 174 #define _POSIX_TRACE    -1
 175 #define _POSIX_TRACE_EVENT_FILTER       -1
 176 #define _POSIX_TRACE_INHERIT    -1
 177 #define _POSIX_TRACE_LOG        -1
 178
 179 /* Typed memory objects are not available.  */
 180 #define _POSIX_TYPED_MEMORY_OBJECTS     -1
 181
 182 #endif /* bits/posix_opt.h */