1 /* Define POSIX options for Linux. 2 Copyright (C) 1996-2015 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. */ 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 supported. */ 41 #define _POSIX_MEMLOCK 200809L 42 43 /* Locking of ranges of memory is supported. */ 44 #define _POSIX_MEMLOCK_RANGE 200809L 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 available. */ 60 #define _XOPEN_REALTIME 1 61 62 /* X/Open thread realtime support is available. */ 63 #define _XOPEN_REALTIME_THREADS 1 64 65 /* XPG4.2 shared memory is supported. */ 66 #define _XOPEN_SHM 1 67 68 /* Tell we have POSIX threads. */ 69 #define _POSIX_THREADS 200809L 70 71 /* We have the reentrant functions described in POSIX. */ 72 #define _POSIX_REENTRANT_FUNCTIONS 1 73 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L 74 75 /* We provide priority scheduling for threads. */ 76 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L 77 78 /* We support user-defined stack sizes. */ 79 #define _POSIX_THREAD_ATTR_STACKSIZE 200809L 80 81 /* We support user-defined stacks. */ 82 #define _POSIX_THREAD_ATTR_STACKADDR 200809L 83 84 /* We support priority inheritence. */ 85 #define _POSIX_THREAD_PRIO_INHERIT 200809L 86 87 /* We support priority protection, though only for non-robust 88 mutexes. */ 89 #define _POSIX_THREAD_PRIO_PROTECT 200809L 90 91 #ifdef __USE_XOPEN2K8 92 /* We support priority inheritence for robust mutexes. */ 93 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT 200809L 94 95 /* We do not support priority protection for robust mutexes. */ 96 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 97 #endif 98 99 /* We support POSIX.1b semaphores. */ 100 #define _POSIX_SEMAPHORES 200809L 101 102 /* Real-time signals are supported. */ 103 #define _POSIX_REALTIME_SIGNALS 200809L 104 105 /* We support asynchronous I/O. */ 106 #define _POSIX_ASYNCHRONOUS_IO 200809L 107 #define _POSIX_ASYNC_IO 1 108 /* Alternative name for Unix98. */ 109 #define _LFS_ASYNCHRONOUS_IO 1 110 /* Support for prioritization is also available. */ 111 #define _POSIX_PRIORITIZED_IO 200809L 112 113 /* The LFS support in asynchronous I/O is also available. */ 114 #define _LFS64_ASYNCHRONOUS_IO 1 115 116 /* The rest of the LFS is also available. */ 117 #define _LFS_LARGEFILE 1 118 #define _LFS64_LARGEFILE 1 119 #define _LFS64_STDIO 1 120 121 /* POSIX shared memory objects are implemented. */ 122 #define _POSIX_SHARED_MEMORY_OBJECTS 200809L 123 124 /* CPU-time clocks support needs to be checked at runtime. */ 125 #define _POSIX_CPUTIME 0 126 127 /* Clock support in threads must be also checked at runtime. */ 128 #define _POSIX_THREAD_CPUTIME 0 129 130 /* GNU libc provides regular expression handling. */ 131 #define _POSIX_REGEXP 1 132 133 /* Reader/Writer locks are available. */ 134 #define _POSIX_READER_WRITER_LOCKS 200809L 135 136 /* We have a POSIX shell. */ 137 #define _POSIX_SHELL 1 138 139 /* We support the Timeouts option. */ 140 #define _POSIX_TIMEOUTS 200809L 141 142 /* We support spinlocks. */ 143 #define _POSIX_SPIN_LOCKS 200809L 144 145 /* The `spawn' function family is supported. */ 146 #define _POSIX_SPAWN 200809L 147 148 /* We have POSIX timers. */ 149 #define _POSIX_TIMERS 200809L 150 151 /* The barrier functions are available. */ 152 #define _POSIX_BARRIERS 200809L 153 154 /* POSIX message queues are available. */ 155 #define _POSIX_MESSAGE_PASSING 200809L 156 157 /* Thread process-shared synchronization is supported. */ 158 #define _POSIX_THREAD_PROCESS_SHARED 200809L 159 160 /* The monotonic clock might be available. */ 161 #define _POSIX_MONOTONIC_CLOCK 0 162 163 /* The clock selection interfaces are available. */ 164 #define _POSIX_CLOCK_SELECTION 200809L 165 166 /* Advisory information interfaces are available. */ 167 #define _POSIX_ADVISORY_INFO 200809L 168 169 /* IPv6 support is available. */ 170 #define _POSIX_IPV6 200809L 171 172 /* Raw socket support is available. */ 173 #define _POSIX_RAW_SOCKETS 200809L 174 175 /* We have at least one terminal. */ 176 #define _POSIX2_CHAR_TERM 200809L 177 178 /* Neither process nor thread sporadic server interfaces is available. */ 179 #define _POSIX_SPORADIC_SERVER -1 180 #define _POSIX_THREAD_SPORADIC_SERVER -1 181 182 /* trace.h is not available. */ 183 #define _POSIX_TRACE -1 184 #define _POSIX_TRACE_EVENT_FILTER -1 185 #define _POSIX_TRACE_INHERIT -1 186 #define _POSIX_TRACE_LOG -1 187 188 /* Typed memory objects are not available. */ 189 #define _POSIX_TYPED_MEMORY_OBJECTS -1 190 191 #endif /* bits/posix_opt.h */ 192