| 1 | /* Define POSIX options for Linux. |
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| 2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public License as |
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| 7 | published by the Free Software Foundation; either version 2.1 of the |
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| 8 | License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; see the file COPYING.LIB. If |
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| 17 | not, see <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _BITS_POSIX_OPT_H |
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| 20 | #define _BITS_POSIX_OPT_H 1 |
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| 21 | |
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| 22 | /* Job control is supported. */ |
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| 23 | #define _POSIX_JOB_CONTROL 1 |
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| 24 | |
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| 25 | /* Processes have a saved set-user-ID and a saved set-group-ID. */ |
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| 26 | #define _POSIX_SAVED_IDS 1 |
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| 27 | |
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| 28 | /* Priority scheduling is not supported with the correct semantics, |
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| 29 | but GNU/Linux applications expect that the corresponding interfaces |
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| 30 | are available, even though the semantics do not meet the POSIX |
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| 31 | requirements. See glibc bug 14829. */ |
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| 32 | #define _POSIX_PRIORITY_SCHEDULING 200809L |
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| 33 | |
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| 34 | /* Synchronizing file data is supported. */ |
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| 35 | #define _POSIX_SYNCHRONIZED_IO 200809L |
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| 36 | |
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| 37 | /* The fsync function is present. */ |
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| 38 | #define _POSIX_FSYNC 200809L |
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| 39 | |
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| 40 | /* Mapping of files to memory is supported. */ |
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| 41 | #define _POSIX_MAPPED_FILES 200809L |
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| 42 | |
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| 43 | /* Locking of all memory is supported. */ |
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| 44 | #define _POSIX_MEMLOCK 200809L |
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| 45 | |
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| 46 | /* Locking of ranges of memory is supported. */ |
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| 47 | #define _POSIX_MEMLOCK_RANGE 200809L |
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| 48 | |
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| 49 | /* Setting of memory protections is supported. */ |
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| 50 | #define _POSIX_MEMORY_PROTECTION 200809L |
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| 51 | |
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| 52 | /* Some filesystems allow all users to change file ownership. */ |
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| 53 | #define _POSIX_CHOWN_RESTRICTED 0 |
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| 54 | |
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| 55 | /* `c_cc' member of 'struct termios' structure can be disabled by |
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| 56 | using the value _POSIX_VDISABLE. */ |
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| 57 | #define _POSIX_VDISABLE '\0' |
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| 58 | |
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| 59 | /* Filenames are not silently truncated. */ |
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| 60 | #define _POSIX_NO_TRUNC 1 |
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| 61 | |
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| 62 | /* X/Open realtime support is available. */ |
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| 63 | #define _XOPEN_REALTIME 1 |
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| 64 | |
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| 65 | /* X/Open thread realtime support is available. */ |
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| 66 | #define _XOPEN_REALTIME_THREADS 1 |
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| 67 | |
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| 68 | /* XPG4.2 shared memory is supported. */ |
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| 69 | #define _XOPEN_SHM 1 |
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| 70 | |
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| 71 | /* Tell we have POSIX threads. */ |
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| 72 | #define _POSIX_THREADS 200809L |
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| 73 | |
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| 74 | /* We have the reentrant functions described in POSIX. */ |
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| 75 | #define _POSIX_REENTRANT_FUNCTIONS 1 |
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| 76 | #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L |
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| 77 | |
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| 78 | /* We provide priority scheduling for threads. */ |
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| 79 | #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L |
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| 80 | |
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| 81 | /* We support user-defined stack sizes. */ |
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| 82 | #define _POSIX_THREAD_ATTR_STACKSIZE 200809L |
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| 83 | |
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| 84 | /* We support user-defined stacks. */ |
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| 85 | #define _POSIX_THREAD_ATTR_STACKADDR 200809L |
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| 86 | |
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| 87 | /* We support priority inheritence. */ |
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| 88 | #define _POSIX_THREAD_PRIO_INHERIT 200809L |
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| 89 | |
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| 90 | /* We support priority protection, though only for non-robust |
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| 91 | mutexes. */ |
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| 92 | #define _POSIX_THREAD_PRIO_PROTECT 200809L |
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| 93 | |
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| 94 | #ifdef __USE_XOPEN2K8 |
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| 95 | /* We support priority inheritence for robust mutexes. */ |
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| 96 | # define _POSIX_THREAD_ROBUST_PRIO_INHERIT 200809L |
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| 97 | |
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| 98 | /* We do not support priority protection for robust mutexes. */ |
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| 99 | # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 |
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| 100 | #endif |
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| 101 | |
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| 102 | /* We support POSIX.1b semaphores. */ |
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| 103 | #define _POSIX_SEMAPHORES 200809L |
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| 104 | |
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| 105 | /* Real-time signals are supported. */ |
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| 106 | #define _POSIX_REALTIME_SIGNALS 200809L |
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| 107 | |
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| 108 | /* We support asynchronous I/O. */ |
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| 109 | #define _POSIX_ASYNCHRONOUS_IO 200809L |
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| 110 | #define _POSIX_ASYNC_IO 1 |
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| 111 | /* Alternative name for Unix98. */ |
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| 112 | #define _LFS_ASYNCHRONOUS_IO 1 |
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| 113 | /* Support for prioritization is also available. */ |
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| 114 | #define _POSIX_PRIORITIZED_IO 200809L |
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| 115 | |
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| 116 | /* The LFS support in asynchronous I/O is also available. */ |
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| 117 | #define _LFS64_ASYNCHRONOUS_IO 1 |
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| 118 | |
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| 119 | /* The rest of the LFS is also available. */ |
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| 120 | #define _LFS_LARGEFILE 1 |
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| 121 | #define _LFS64_LARGEFILE 1 |
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| 122 | #define _LFS64_STDIO 1 |
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| 123 | |
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| 124 | /* POSIX shared memory objects are implemented. */ |
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| 125 | #define _POSIX_SHARED_MEMORY_OBJECTS 200809L |
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| 126 | |
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| 127 | /* CPU-time clocks support needs to be checked at runtime. */ |
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| 128 | #define _POSIX_CPUTIME 0 |
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| 129 | |
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| 130 | /* Clock support in threads must be also checked at runtime. */ |
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| 131 | #define _POSIX_THREAD_CPUTIME 0 |
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| 132 | |
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| 133 | /* GNU libc provides regular expression handling. */ |
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| 134 | #define _POSIX_REGEXP 1 |
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| 135 | |
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| 136 | /* Reader/Writer locks are available. */ |
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| 137 | #define _POSIX_READER_WRITER_LOCKS 200809L |
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| 138 | |
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| 139 | /* We have a POSIX shell. */ |
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| 140 | #define _POSIX_SHELL 1 |
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| 141 | |
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| 142 | /* We support the Timeouts option. */ |
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| 143 | #define _POSIX_TIMEOUTS 200809L |
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| 144 | |
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| 145 | /* We support spinlocks. */ |
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| 146 | #define _POSIX_SPIN_LOCKS 200809L |
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| 147 | |
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| 148 | /* The `spawn' function family is supported. */ |
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| 149 | #define _POSIX_SPAWN 200809L |
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| 150 | |
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| 151 | /* We have POSIX timers. */ |
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| 152 | #define _POSIX_TIMERS 200809L |
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| 153 | |
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| 154 | /* The barrier functions are available. */ |
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| 155 | #define _POSIX_BARRIERS 200809L |
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| 156 | |
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| 157 | /* POSIX message queues are available. */ |
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| 158 | #define _POSIX_MESSAGE_PASSING 200809L |
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| 159 | |
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| 160 | /* Thread process-shared synchronization is supported. */ |
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| 161 | #define _POSIX_THREAD_PROCESS_SHARED 200809L |
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| 162 | |
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| 163 | /* The monotonic clock might be available. */ |
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| 164 | #define _POSIX_MONOTONIC_CLOCK 0 |
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| 165 | |
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| 166 | /* The clock selection interfaces are available. */ |
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| 167 | #define _POSIX_CLOCK_SELECTION 200809L |
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| 168 | |
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| 169 | /* Advisory information interfaces are available. */ |
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| 170 | #define _POSIX_ADVISORY_INFO 200809L |
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| 171 | |
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| 172 | /* IPv6 support is available. */ |
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| 173 | #define _POSIX_IPV6 200809L |
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| 174 | |
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| 175 | /* Raw socket support is available. */ |
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| 176 | #define _POSIX_RAW_SOCKETS 200809L |
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| 177 | |
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| 178 | /* We have at least one terminal. */ |
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| 179 | #define _POSIX2_CHAR_TERM 200809L |
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| 180 | |
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| 181 | /* Neither process nor thread sporadic server interfaces is available. */ |
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| 182 | #define _POSIX_SPORADIC_SERVER -1 |
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| 183 | #define _POSIX_THREAD_SPORADIC_SERVER -1 |
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| 184 | |
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| 185 | /* trace.h is not available. */ |
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| 186 | #define _POSIX_TRACE -1 |
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| 187 | #define _POSIX_TRACE_EVENT_FILTER -1 |
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| 188 | #define _POSIX_TRACE_INHERIT -1 |
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| 189 | #define _POSIX_TRACE_LOG -1 |
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| 190 | |
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| 191 | /* Typed memory objects are not available. */ |
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| 192 | #define _POSIX_TYPED_MEMORY_OBJECTS -1 |
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| 193 | |
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| 194 | #endif /* bits/posix_opt.h */ |
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| 195 | |
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