sysdeps/nacl/bits/posix_opt.h

   1 /* Define POSIX options for NaCl.
   2    Copyright (C) 2015 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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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; see the file COPYING.LIB.  If
  17    not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _BITS_POSIX_OPT_H
  20 #define _BITS_POSIX_OPT_H       1
  21
  22 /* Job control is supported.  (Not really, but the APIs exist.)  */
  23 #define _POSIX_JOB_CONTROL                      1
  24
  25 /* Processes have a saved set-user-ID and a saved set-group-ID.  */
  26 #define _POSIX_SAVED_IDS                        1
  27
  28 /* Priority scheduling is supported. ??? */
  29 #define _POSIX_PRIORITY_SCHEDULING              200809L
  30
  31 /* Synchronizing file data is supported. ???  */
  32 #define _POSIX_SYNCHRONIZED_IO                  200809L
  33
  34 /* The fsync function is present.  */
  35 #define _POSIX_FSYNC                            200809L
  36
  37 /* Mapping of files to memory is supported.  */
  38 #define _POSIX_MAPPED_FILES                     200809L
  39
  40 /* Locking of all memory is not supported.  */
  41 #define _POSIX_MEMLOCK                          -1
  42
  43 /* Locking of ranges of memory is not supported.  */
  44 #define _POSIX_MEMLOCK_RANGE                    -1
  45
  46 /* Setting of memory protections is supported.  */
  47 #define _POSIX_MEMORY_PROTECTION                200809L
  48
  49 /* Some filesystems allow all users to change file ownership.  */
  50 #define _POSIX_CHOWN_RESTRICTED                 0
  51
  52 /* `c_cc' member of 'struct termios' structure can be disabled by
  53    using the value _POSIX_VDISABLE.  ??? */
  54 #define _POSIX_VDISABLE                         '\0'
  55
  56 /* Filenames are not silently truncated.  */
  57 #define _POSIX_NO_TRUNC                         1
  58
  59 /* X/Open realtime support is not fully available.  This requires the
  60    following set of POSIX.1 features, not all of which NaCl supports:
  61         _POSIX_FSYNC
  62         _POSIX_MEMLOCK
  63         _POSIX_MEMLOCK_RANGE
  64         _POSIX_MESSAGE_PASSING
  65         _POSIX_PRIORITIZED_IO
  66         _POSIX_PRIORITY_SCHEDULING
  67         _POSIX_SHARED_MEMORY_OBJECTS
  68         _POSIX_SYNCHRONIZED_IO
  69  */
  70 #define _XOPEN_REALTIME                         -1
  71
  72 /* X/Open thread realtime support is not available.  This requires the
  73    following set of POSIX.1 features, none of which NaCl supports:
  74         _POSIX_THREAD_PRIO_INHERIT
  75         _POSIX_THREAD_PRIO_PROTECT
  76         _POSIX_THREAD_PRIORITY_SCHEDULING
  77         _POSIX_THREAD_ROBUST_PRIO_INHERIT
  78         _POSIX_THREAD_ROBUST_PRIO_PROTECT
  79  */
  80 #define _XOPEN_REALTIME_THREADS                 -1
  81
  82 /* XPG4.2 shared memory is not supported.
  83    ??? What is this?  shm* interfaces?
  84 */
  85 #define _XOPEN_SHM                              -1
  86
  87 /* POSIX threads are supported.  */
  88 #define _POSIX_THREADS                          200809L
  89
  90 /* We have the reentrant functions described in POSIX.  */
  91 #define _POSIX_REENTRANT_FUNCTIONS              1
  92 #define _POSIX_THREAD_SAFE_FUNCTIONS            200809L
  93
  94 /* We do not provide priority scheduling for threads.  */
  95 #define _POSIX_THREAD_PRIORITY_SCHEDULING       -1
  96
  97 /* We support user-defined stack sizes.  */
  98 #define _POSIX_THREAD_ATTR_STACKSIZE            200809L
  99
 100 /* We support user-defined stacks.  */
 101 #define _POSIX_THREAD_ATTR_STACKADDR            200809L
 102
 103 /* We do not support priority inheritence.  */
 104 #define _POSIX_THREAD_PRIO_INHERIT              -1
 105
 106 /* We do not support priority protection.  */
 107 #define _POSIX_THREAD_PRIO_PROTECT              -1
 108
 109 #ifdef __USE_XOPEN2K8
 110 /* We do not support priority inheritence for robust mutexes.  */
 111 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT      -1
 112
 113 /* We do not support priority protection for robust mutexes.  */
 114 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT      -1
 115 #endif
 116
 117 /* We support POSIX.1b semaphores.  */
 118 #define _POSIX_SEMAPHORES                       200809L
 119
 120 /* Real-time signals are supported. ???  */
 121 #define _POSIX_REALTIME_SIGNALS                 200809L
 122
 123 /* We support asynchronous I/O.  */
 124 #define _POSIX_ASYNCHRONOUS_IO                  200809L
 125 #define _POSIX_ASYNC_IO                         1
 126 /* Alternative name for Unix98.  */
 127 #define _LFS_ASYNCHRONOUS_IO                    1
 128 /* Support for prioritization is not available.  */
 129 #define _POSIX_PRIORITIZED_IO                   -1
 130
 131 /* The LFS support in asynchronous I/O is also available.  */
 132 #define _LFS64_ASYNCHRONOUS_IO                  1
 133
 134 /* The rest of the LFS is also available.  */
 135 #define _LFS_LARGEFILE                          1
 136 #define _LFS64_LARGEFILE                        1
 137 #define _LFS64_STDIO                            1
 138
 139 /* POSIX shared memory objects are implemented.  */
 140 #define _POSIX_SHARED_MEMORY_OBJECTS            200809L
 141
 142 /* Process CPU-time clocks are not supported.  */
 143 #define _POSIX_CPUTIME                          -1
 144
 145 /* Thread CPU-time locks are supported.  */
 146 #define _POSIX_THREAD_CPUTIME                   200809L
 147
 148 /* GNU libc provides regular expression handling.  */
 149 #define _POSIX_REGEXP                           1
 150
 151 /* Reader/Writer locks are available.  */
 152 #define _POSIX_READER_WRITER_LOCKS              200809L
 153
 154 /* We have a POSIX shell.  */
 155 #define _POSIX_SHELL                            1
 156
 157 /* We support the Timeouts option.  */
 158 #define _POSIX_TIMEOUTS                         200809L
 159
 160 /* We support spinlocks.  */
 161 #define _POSIX_SPIN_LOCKS                       200809L
 162
 163 /* The `spawn' function family is supported.  */
 164 #define _POSIX_SPAWN                            200809L
 165
 166 /* We have POSIX timers.  */
 167 #define _POSIX_TIMERS                           200809L
 168
 169 /* The barrier functions are available.  */
 170 #define _POSIX_BARRIERS                         200809L
 171
 172 /* POSIX message queues are not available.  */
 173 #define _POSIX_MESSAGE_PASSING                  -1
 174
 175 /* Thread process-shared synchronization is not supported.  */
 176 #define _POSIX_THREAD_PROCESS_SHARED            -1
 177
 178 /* The monotonic clock is available.  */
 179 #define _POSIX_MONOTONIC_CLOCK                  200809L
 180
 181 /* The clock selection interfaces are available.  ??? Actually only
 182    clock_nanosleep works, and pthread_condattr_setclock does not.  */
 183 #define _POSIX_CLOCK_SELECTION                  200809L
 184
 185 /* Advisory information interfaces are available.  */
 186 #define _POSIX_ADVISORY_INFO                    200809L
 187
 188 /* IPv6 support is available.  */
 189 #define _POSIX_IPV6                             200809L
 190
 191 /* Raw socket support is available.  */
 192 #define _POSIX_RAW_SOCKETS                      200809L
 193
 194 /* We have at least one terminal.  */
 195 #define _POSIX2_CHAR_TERM                       200809L
 196
 197 /* Neither process nor thread sporadic server interfaces is available.  */
 198 #define _POSIX_SPORADIC_SERVER                  -1
 199 #define _POSIX_THREAD_SPORADIC_SERVER           -1
 200
 201 /* trace.h is not available.  */
 202 #define _POSIX_TRACE                            -1
 203 #define _POSIX_TRACE_EVENT_FILTER               -1
 204 #define _POSIX_TRACE_INHERIT                    -1
 205 #define _POSIX_TRACE_LOG                        -1
 206
 207 /* Typed memory objects are not available.  */
 208 #define _POSIX_TYPED_MEMORY_OBJECTS             -1
 209
 210 #endif /* bits/posix_opt.h */