1 /* Define POSIX options for Linux. 2 Copyright (C) 1996-2004, 2006, 2008 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 not, 17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 18 Boston, MA 02111-1307, USA. */ 19 20 #ifndef _POSIX_OPT_H 21 #define _POSIX_OPT_H 1 22 23 /* Job control is supported. */ 24 #define _POSIX_JOB_CONTROL 1 25 26 /* Processes have a saved set-user-ID and a saved set-group-ID. */ 27 #define _POSIX_SAVED_IDS 1 28 29 /* Priority scheduling is supported. */ 30 #define _POSIX_PRIORITY_SCHEDULING 200112L 31 32 /* Synchronizing file data is supported. */ 33 #define _POSIX_SYNCHRONIZED_IO 200112L 34 35 /* The fsync function is present. */ 36 #define _POSIX_FSYNC 200112L 37 38 /* Mapping of files to memory is supported. */ 39 #define _POSIX_MAPPED_FILES 200112L 40 41 /* Locking of all memory is supported. */ 42 #define _POSIX_MEMLOCK 200112L 43 44 /* Locking of ranges of memory is supported. */ 45 #define _POSIX_MEMLOCK_RANGE 200112L 46 47 /* Setting of memory protections is supported. */ 48 #define _POSIX_MEMORY_PROTECTION 200112L 49 50 /* Some filesystems allow all users to change file ownership. */ 51 #define _POSIX_CHOWN_RESTRICTED 0 52 53 /* `c_cc' member of 'struct termios' structure can be disabled by 54 using the value _POSIX_VDISABLE. */ 55 #define _POSIX_VDISABLE '\0' 56 57 /* Filenames are not silently truncated. */ 58 #define _POSIX_NO_TRUNC 1 59 60 /* X/Open realtime support is available. */ 61 #define _XOPEN_REALTIME 1 62 63 /* X/Open thread realtime support is available. */ 64 #define _XOPEN_REALTIME_THREADS 1 65 66 /* XPG4.2 shared memory is supported. */ 67 #define _XOPEN_SHM 1 68 69 /* Tell we have POSIX threads. */ 70 #define _POSIX_THREADS 200112L 71 72 /* We have the reentrant functions described in POSIX. */ 73 #define _POSIX_REENTRANT_FUNCTIONS 1 74 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L 75 76 /* We provide priority scheduling for threads. */ 77 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 78 79 /* We support user-defined stack sizes. */ 80 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L 81 82 /* We support user-defined stacks. */ 83 #define _POSIX_THREAD_ATTR_STACKADDR 200112L 84 85 /* We support priority inheritence. */ 86 #define _POSIX_THREAD_PRIO_INHERIT 200112L 87 88 /* We support priority protection, though only for non-robust 89 mutexes. */ 90 #define _POSIX_THREAD_PRIO_PROTECT 200112L 91 92 /* We support POSIX.1b semaphores. */ 93 #define _POSIX_SEMAPHORES 200112L 94 95 /* Real-time signals are supported. */ 96 #define _POSIX_REALTIME_SIGNALS 200112L 97 98 /* We support asynchronous I/O. */ 99 #define _POSIX_ASYNCHRONOUS_IO 200112L 100 #define _POSIX_ASYNC_IO 1 101 /* Alternative name for Unix98. */ 102 #define _LFS_ASYNCHRONOUS_IO 1 103 /* Support for prioritization is also available. */ 104 #define _POSIX_PRIORITIZED_IO 200112L 105 106 /* The LFS support in asynchronous I/O is also available. */ 107 #define _LFS64_ASYNCHRONOUS_IO 1 108 109 /* The rest of the LFS is also available. */ 110 #define _LFS_LARGEFILE 1 111 #define _LFS64_LARGEFILE 1 112 #define _LFS64_STDIO 1 113 114 /* POSIX shared memory objects are implemented. */ 115 #define _POSIX_SHARED_MEMORY_OBJECTS 200112L 116 117 /* CPU-time clocks support needs to be checked at runtime. */ 118 #define _POSIX_CPUTIME 0 119 120 /* Clock support in threads must be also checked at runtime. */ 121 #define _POSIX_THREAD_CPUTIME 0 122 123 /* GNU libc provides regular expression handling. */ 124 #define _POSIX_REGEXP 1 125 126 /* Reader/Writer locks are available. */ 127 #define _POSIX_READER_WRITER_LOCKS 200112L 128 129 /* We have a POSIX shell. */ 130 #define _POSIX_SHELL 1 131 132 /* We support the Timeouts option. */ 133 #define _POSIX_TIMEOUTS 200112L 134 135 /* We support spinlocks. */ 136 #define _POSIX_SPIN_LOCKS 200112L 137 138 /* The `spawn' function family is supported. */ 139 #define _POSIX_SPAWN 200112L 140 141 /* We have POSIX timers. */ 142 #define _POSIX_TIMERS 200112L 143 144 /* The barrier functions are available. */ 145 #define _POSIX_BARRIERS 200112L 146 147 /* POSIX message queues are available. */ 148 #define _POSIX_MESSAGE_PASSING 200112L 149 150 /* Thread process-shared synchronization is supported. */ 151 #define _POSIX_THREAD_PROCESS_SHARED 200112L 152 153 /* The monotonic clock might be available. */ 154 #define _POSIX_MONOTONIC_CLOCK 0 155 156 /* The clock selection interfaces are available. */ 157 #define _POSIX_CLOCK_SELECTION 200112L 158 159 /* Advisory information interfaces are available. */ 160 #define _POSIX_ADVISORY_INFO 200112L 161 162 /* IPv6 support is available. */ 163 #define _POSIX_IPV6 200112L 164 165 /* Raw socket support is available. */ 166 #define _POSIX_RAW_SOCKETS 200112L 167 168 /* We have at least one terminal. */ 169 #define _POSIX2_CHAR_TERM 200112L 170 171 /* Neither process nor thread sporadic server interfaces is available. */ 172 #define _POSIX_SPORADIC_SERVER -1 173 #define _POSIX_THREAD_SPORADIC_SERVER -1 174 175 /* trace.h is not available. */ 176 #define _POSIX_TRACE -1 177 #define _POSIX_TRACE_EVENT_FILTER -1 178 #define _POSIX_TRACE_INHERIT -1 179 #define _POSIX_TRACE_LOG -1 180 181 /* Typed memory objects are not available. */ 182 #define _POSIX_TYPED_MEMORY_OBJECTS -1 183 184 #endif /* posix_opt.h */ 185