sysdeps/mach/hurd/bits/posix_opt.h

   1 /* Define POSIX options for GNU/Hurd.
   2    Copyright (C) 1998-2024 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    <https://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 is supported.  */
  46 #define _POSIX_MEMLOCK  200809L
  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                 '\0'
  57
  58
  59 /* Different Hurd filesystems might do these differently.
  60    You must query the particular file with `pathconf' or `fpathconf'.  */
  61 #define _POSIX_CHOWN_RESTRICTED 0       /* Only root can change owner of file?  */
  62 #define _POSIX_NO_TRUNC         0       /* 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 /* Tell we have POSIX threads.  */
  75 #define _POSIX_THREADS  200809L
  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 /* We do not provide priority scheduling for threads.  */
  82 #define _POSIX_THREAD_PRIORITY_SCHEDULING       -1
  83
  84 /* We support user-defined stack sizes.  */
  85 #define _POSIX_THREAD_ATTR_STACKSIZE    200809L
  86
  87 /* We support user-defined stacks.  */
  88 #define _POSIX_THREAD_ATTR_STACKADDR    200809L
  89
  90 /* We do not support priority inheritance.  */
  91 #define _POSIX_THREAD_PRIO_INHERIT              -1
  92
  93 /* We do not support priority protection.  */
  94 #define _POSIX_THREAD_PRIO_PROTECT              -1
  95
  96 #ifdef __USE_XOPEN2K8
  97 /* We do not support priority inheritance for robust mutexes.  */
  98 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT      -1
  99
 100 /* We do not support priority protection for robust mutexes.  */
 101 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT      -1
 102 #endif
 103
 104 /* We support POSIX.1b semaphores.  */
 105 #define _POSIX_SEMAPHORES                       200809L
 106
 107 /* Real-time signals are not yet supported.  */
 108 #define _POSIX_REALTIME_SIGNALS -1
 109
 110 /* Asynchronous I/O might supported with the existing ABI.  */
 111 #define _POSIX_ASYNCHRONOUS_IO  0
 112 #undef _POSIX_ASYNC_IO
 113 /* Alternative name for Unix98.  */
 114 #define _LFS_ASYNCHRONOUS_IO    _POSIX_ASYNCHRONOUS_IO
 115 /* Support for prioritization is not available.  */
 116 #undef _POSIX_PRIORITIZED_IO
 117
 118 /* The LFS support in asynchronous I/O is also available.  */
 119 #define _LFS64_ASYNCHRONOUS_IO  _POSIX_ASYNCHRONOUS_IO
 120
 121 /* The rest of the LFS is also available.  */
 122 #define _LFS_LARGEFILE          1
 123 #define _LFS64_LARGEFILE        1
 124 #define _LFS64_STDIO            1
 125
 126 /* POSIX.4 shared memory objects are supported (using regular files).  */
 127 #define _POSIX_SHARED_MEMORY_OBJECTS    _POSIX_MAPPED_FILES
 128
 129 /* CPU-time clocks support needs to be checked at runtime.  */
 130 #define _POSIX_CPUTIME  0
 131
 132 /* Clock support in threads must be also checked at runtime.  */
 133 #define _POSIX_THREAD_CPUTIME   0
 134
 135 /* GNU libc provides regular expression handling.  */
 136 #define _POSIX_REGEXP   1
 137
 138 /* Reader/Writer locks are available.  */
 139 #define _POSIX_READER_WRITER_LOCKS      200809L
 140
 141 /* We have a POSIX shell.  */
 142 #define _POSIX_SHELL    1
 143
 144 /* We support the Timeouts option.  */
 145 #define _POSIX_TIMEOUTS 200809L
 146
 147 /* We support spinlocks.  */
 148 #define _POSIX_SPIN_LOCKS       200809L
 149
 150 /* The `spawn' function family is supported.  */
 151 #define _POSIX_SPAWN    200809L
 152
 153 /* We do not have POSIX timers, but could in future without ABI change.  */
 154 #define _POSIX_TIMERS   0
 155
 156 /* The barrier functions are available.  */
 157 #define _POSIX_BARRIERS 200809L
 158
 159 /* POSIX message queues could be available in future.  */
 160 #define _POSIX_MESSAGE_PASSING  0
 161
 162 /* Thread process-shared synchronization is not supported.  */
 163 #define _POSIX_THREAD_PROCESS_SHARED    -1
 164
 165 /* The monotonic clock might be available.  */
 166 #define _POSIX_MONOTONIC_CLOCK  0
 167
 168 /* The clock selection interfaces are available.  */
 169 #define _POSIX_CLOCK_SELECTION  200809L
 170
 171 /* Advisory information interfaces could be available in future.  */
 172 #define _POSIX_ADVISORY_INFO    0
 173
 174 /* IPv6 support is available.  */
 175 #define _POSIX_IPV6     200809L
 176
 177 /* Raw socket support is available.  */
 178 #define _POSIX_RAW_SOCKETS      200809L
 179
 180 /* We have at least one terminal.  */
 181 #define _POSIX2_CHAR_TERM       200809L
 182
 183 /* Neither process nor thread sporadic server interfaces is available.  */
 184 #define _POSIX_SPORADIC_SERVER  -1
 185 #define _POSIX_THREAD_SPORADIC_SERVER   -1
 186
 187 /* trace.h is not available.  */
 188 #define _POSIX_TRACE    -1
 189 #define _POSIX_TRACE_EVENT_FILTER       -1
 190 #define _POSIX_TRACE_INHERIT    -1
 191 #define _POSIX_TRACE_LOG        -1
 192
 193 /* Typed memory objects are not available.  */
 194 #define _POSIX_TYPED_MEMORY_OBJECTS     -1
 195
 196 #endif /* bits/posix_opt.h */