sysdeps/mach/hurd/bits/posix_opt.h

   1 /* Define POSIX options for GNU/Hurd.
   2    Copyright (C) 1998,2000,2001,2002,2006 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 /* Synchronizing file data is supported, but msync is missing.  */
  35 #undef _POSIX_SYNCHRONIZED_IO
  36
  37 /* The fsync function is present.  */
  38 #define _POSIX_FSYNC    200112L
  39
  40 /* Mapping of files to memory is supported.  */
  41 #define _POSIX_MAPPED_FILES     200112L
  42
  43 /* Locking of all memory could be supported in future.  */
  44 #define _POSIX_MEMLOCK  0
  45
  46 /* Locking of ranges of memory is supported.  */
  47 #define _POSIX_MEMLOCK_RANGE    200112L
  48
  49 /* Setting of memory protections is supported.  */
  50 #define _POSIX_MEMORY_PROTECTION        200112L
  51
  52 /* Elements of the `c_cc' member of `struct termios' structure
  53    can be disabled by using the value _POSIX_VDISABLE.  */
  54 #define _POSIX_VDISABLE                 ((unsigned char) -1)
  55
  56
  57 /* Different Hurd filesystems might do these differently.
  58    You must query the particular file with `pathconf' or `fpathconf'.  */
  59 #undef _POSIX_CHOWN_RESTRICTED  /* Only root can change owner of file?  */
  60 #undef _POSIX_NO_TRUNC          /* Overlong file names get error?  */
  61 #undef _POSIX_SYNC_IO           /* File supports O_SYNC et al?  */
  62
  63
  64 /* We do not have the POSIX threads interface.  */
  65 #define _POSIX_THREADS  -1
  66
  67 /* We have the reentrant functions described in POSIX.  */
  68 #define _POSIX_REENTRANT_FUNCTIONS      1
  69 #define _POSIX_THREAD_SAFE_FUNCTIONS    200112L
  70
  71 /* These are all things that won't be supported when _POSIX_THREADS is not.  */
  72 #define _POSIX_THREAD_PRIORITY_SCHEDULING       -1
  73 #define _POSIX_THREAD_ATTR_STACKSIZE            -1
  74 #define _POSIX_THREAD_ATTR_STACKADDR            -1
  75 #define _POSIX_SEMAPHORES                       -1
  76
  77 /* Real-time signals are not yet supported.  */
  78 #define _POSIX_REALTIME_SIGNALS -1
  79
  80 /* Asynchronous I/O might supported with the existing ABI.  */
  81 #define _POSIX_ASYNCHRONOUS_IO  0
  82 /* Alternative name for Unix98.  */
  83 #define _LFS_ASYNCHRONOUS_IO    _POSIX_ASYNCHRONOUS_IO
  84
  85 /* The LFS support in asynchronous I/O is also available.  */
  86 #define _LFS64_ASYNCHRONOUS_IO  _POSIX_ASYNCHRONOUS_IO
  87
  88 /* The rest of the LFS is also available.  */
  89 #define _LFS_LARGEFILE          1
  90 #define _LFS64_LARGEFILE        1
  91 #define _LFS64_STDIO            1
  92
  93 /* POSIX.4 shared memory objects are supported (using regular files).  */
  94 #define _POSIX_SHARED_MEMORY_OBJECTS    _POSIX_MAPPED_FILES
  95
  96 /* CPU-time clocks support needs to be checked at runtime.  */
  97 #define _POSIX_CPUTIME  0
  98
  99 /* Clock support in threads must be also checked at runtime.  */
 100 #define _POSIX_THREAD_CPUTIME   0
 101
 102 /* GNU libc provides regular expression handling.  */
 103 #define _POSIX_REGEXP   1
 104
 105 /* Reader/Writer locks are not available.  */
 106 #define _POSIX_READER_WRITER_LOCKS      -1
 107
 108 /* We have a POSIX shell.  */
 109 #define _POSIX_SHELL    1
 110
 111 /* We cannot support the Timeouts option without _POSIX_THREADS.  */
 112 #define _POSIX_TIMEOUTS -1
 113
 114 /* The `spawn' function family is supported.  */
 115 #define _POSIX_SPAWN    200112L
 116
 117 /* We do not have POSIX timers, but could in future without ABI change.  */
 118 #define _POSIX_TIMERS   0
 119
 120 /* The barrier functions are not available.  */
 121 #define _POSIX_BARRIERS -1
 122
 123 /* POSIX message queues could be available in future.  */
 124 #define _POSIX_MESSAGE_PASSING  0
 125
 126 /* Thread process-shared synchronization is not supported.  */
 127 #define _POSIX_THREAD_PROCESS_SHARED    -1
 128
 129 /* The monotonic clock might be available.  */
 130 #define _POSIX_MONOTONIC_CLOCK  0
 131
 132 /* The clock selection interfaces are available.  */
 133 #define _POSIX_CLOCK_SELECTION  200112L
 134
 135 /* Advisory information interfaces could be available in future.  */
 136 #define _POSIX_ADVISORY_INFO    0
 137
 138 /* IPv6 support is available.  */
 139 #define _POSIX_IPV6     200112L
 140
 141 /* Raw socket support is available.  */
 142 #define _POSIX_RAW_SOCKETS      200112L
 143
 144 /* We have at least one terminal.  */
 145 #define _POSIX2_CHAR_TERM       200112L
 146
 147 /* Neither process nor thread sporadic server interfaces is available.  */
 148 #define _POSIX_SPORADIC_SERVER  -1
 149 #define _POSIX_THREAD_SPORADIC_SERVER   -1
 150
 151 /* trace.h is not available.  */
 152 #define _POSIX_TRACE    -1
 153 #define _POSIX_TRACE_EVENT_FILTER       -1
 154 #define _POSIX_TRACE_INHERIT    -1
 155 #define _POSIX_TRACE_LOG        -1
 156
 157 /* Typed memory objects are not available.  */
 158 #define _POSIX_TYPED_MEMORY_OBJECTS     -1
 159
 160 /* No support for priority inheritance or protection so far.  */
 161 #define _POSIX_THREAD_PRIO_INHERIT      -1
 162 #define _POSIX_THREAD_PRIO_PROTECT      -1
 163
 164
 165 #endif /* bits/posix_opt.h */