sysdeps/mach/hurd/bits/posix_opt.h

   1 /* Define POSIX options for GNU/Hurd.
   2    Copyright (C) 1998,2000,2001,2002,2006,2009 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 /* Synchronizing file data is supported, but msync is missing.  */
  34 #undef _POSIX_SYNCHRONIZED_IO
  35
  36 /* The fsync function is present.  */
  37 #define _POSIX_FSYNC    200809L
  38
  39 /* Mapping of files to memory is supported.  */
  40 #define _POSIX_MAPPED_FILES     200809L
  41
  42 /* Locking of all memory could be supported in future.  */
  43 #define _POSIX_MEMLOCK  0
  44
  45 /* Locking of ranges of memory is supported.  */
  46 #define _POSIX_MEMLOCK_RANGE    200809L
  47
  48 /* Setting of memory protections is supported.  */
  49 #define _POSIX_MEMORY_PROTECTION        200809L
  50
  51 /* Elements of the `c_cc' member of `struct termios' structure
  52    can be disabled by using the value _POSIX_VDISABLE.  */
  53 #define _POSIX_VDISABLE                 ((unsigned char) -1)
  54
  55
  56 /* Different Hurd filesystems might do these differently.
  57    You must query the particular file with `pathconf' or `fpathconf'.  */
  58 #undef _POSIX_CHOWN_RESTRICTED  /* Only root can change owner of file?  */
  59 #undef _POSIX_NO_TRUNC          /* Overlong file names get error?  */
  60 #undef _POSIX_SYNC_IO           /* File supports O_SYNC et al?  */
  61
  62
  63 /* We do not have the POSIX threads interface.  */
  64 #define _POSIX_THREADS  -1
  65
  66 /* We have the reentrant functions described in POSIX.  */
  67 #define _POSIX_REENTRANT_FUNCTIONS      1
  68 #define _POSIX_THREAD_SAFE_FUNCTIONS    200809L
  69
  70 /* These are all things that won't be supported when _POSIX_THREADS is not.  */
  71 #define _POSIX_THREAD_PRIORITY_SCHEDULING       -1
  72 #define _POSIX_THREAD_ATTR_STACKSIZE            -1
  73 #define _POSIX_THREAD_ATTR_STACKADDR            -1
  74 #define _POSIX_SEMAPHORES                       -1
  75
  76 /* Real-time signals are not yet supported.  */
  77 #define _POSIX_REALTIME_SIGNALS -1
  78
  79 /* Asynchronous I/O might supported with the existing ABI.  */
  80 #define _POSIX_ASYNCHRONOUS_IO  0
  81 /* Alternative name for Unix98.  */
  82 #define _LFS_ASYNCHRONOUS_IO    _POSIX_ASYNCHRONOUS_IO
  83
  84 /* The LFS support in asynchronous I/O is also available.  */
  85 #define _LFS64_ASYNCHRONOUS_IO  _POSIX_ASYNCHRONOUS_IO
  86
  87 /* The rest of the LFS is also available.  */
  88 #define _LFS_LARGEFILE          1
  89 #define _LFS64_LARGEFILE        1
  90 #define _LFS64_STDIO            1
  91
  92 /* POSIX.4 shared memory objects are supported (using regular files).  */
  93 #define _POSIX_SHARED_MEMORY_OBJECTS    _POSIX_MAPPED_FILES
  94
  95 /* CPU-time clocks support needs to be checked at runtime.  */
  96 #define _POSIX_CPUTIME  0
  97
  98 /* Clock support in threads must be also checked at runtime.  */
  99 #define _POSIX_THREAD_CPUTIME   0
 100
 101 /* GNU libc provides regular expression handling.  */
 102 #define _POSIX_REGEXP   1
 103
 104 /* Reader/Writer locks are not available.  */
 105 #define _POSIX_READER_WRITER_LOCKS      -1
 106
 107 /* We have a POSIX shell.  */
 108 #define _POSIX_SHELL    1
 109
 110 /* We cannot support the Timeouts option without _POSIX_THREADS.  */
 111 #define _POSIX_TIMEOUTS -1
 112
 113 /* The `spawn' function family is supported.  */
 114 #define _POSIX_SPAWN    200809L
 115
 116 /* We do not have POSIX timers, but could in future without ABI change.  */
 117 #define _POSIX_TIMERS   0
 118
 119 /* The barrier functions are not available.  */
 120 #define _POSIX_BARRIERS -1
 121
 122 /* POSIX message queues could be available in future.  */
 123 #define _POSIX_MESSAGE_PASSING  0
 124
 125 /* Thread process-shared synchronization is not supported.  */
 126 #define _POSIX_THREAD_PROCESS_SHARED    -1
 127
 128 /* The monotonic clock might be available.  */
 129 #define _POSIX_MONOTONIC_CLOCK  0
 130
 131 /* The clock selection interfaces are available.  */
 132 #define _POSIX_CLOCK_SELECTION  200809L
 133
 134 /* Advisory information interfaces could be available in future.  */
 135 #define _POSIX_ADVISORY_INFO    0
 136
 137 /* IPv6 support is available.  */
 138 #define _POSIX_IPV6     200809L
 139
 140 /* Raw socket support is available.  */
 141 #define _POSIX_RAW_SOCKETS      200809L
 142
 143 /* We have at least one terminal.  */
 144 #define _POSIX2_CHAR_TERM       200809L
 145
 146 /* Neither process nor thread sporadic server interfaces is available.  */
 147 #define _POSIX_SPORADIC_SERVER  -1
 148 #define _POSIX_THREAD_SPORADIC_SERVER   -1
 149
 150 /* trace.h is not available.  */
 151 #define _POSIX_TRACE    -1
 152 #define _POSIX_TRACE_EVENT_FILTER       -1
 153 #define _POSIX_TRACE_INHERIT    -1
 154 #define _POSIX_TRACE_LOG        -1
 155
 156 /* Typed memory objects are not available.  */
 157 #define _POSIX_TYPED_MEMORY_OBJECTS     -1
 158
 159 /* No support for priority inheritance or protection so far.  */
 160 #define _POSIX_THREAD_PRIO_INHERIT      -1
 161 #define _POSIX_THREAD_PRIO_PROTECT      -1
 162
 163
 164 #endif /* bits/posix_opt.h */