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[glibc.git] / sysdeps / unix / sysv / linux / bits / posix_opt.h
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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.
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.
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.
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/>. */
19 #ifndef _BITS_POSIX_OPT_H
20 #define _BITS_POSIX_OPT_H 1
22 /* Job control is supported. */
23 #define _POSIX_JOB_CONTROL 1
25 /* Processes have a saved set-user-ID and a saved set-group-ID. */
26 #define _POSIX_SAVED_IDS 1
28 /* Priority scheduling is supported. */
29 #define _POSIX_PRIORITY_SCHEDULING 200809L
31 /* Synchronizing file data is supported. */
32 #define _POSIX_SYNCHRONIZED_IO 200809L
34 /* The fsync function is present. */
35 #define _POSIX_FSYNC 200809L
37 /* Mapping of files to memory is supported. */
38 #define _POSIX_MAPPED_FILES 200809L
40 /* Locking of all memory is supported. */
41 #define _POSIX_MEMLOCK 200809L
43 /* Locking of ranges of memory is supported. */
44 #define _POSIX_MEMLOCK_RANGE 200809L
46 /* Setting of memory protections is supported. */
47 #define _POSIX_MEMORY_PROTECTION 200809L
49 /* Some filesystems allow all users to change file ownership. */
50 #define _POSIX_CHOWN_RESTRICTED 0
52 /* `c_cc' member of 'struct termios' structure can be disabled by
53 using the value _POSIX_VDISABLE. */
54 #define _POSIX_VDISABLE '\0'
56 /* Filenames are not silently truncated. */
57 #define _POSIX_NO_TRUNC 1
59 /* X/Open realtime support is available. */
60 #define _XOPEN_REALTIME 1
62 /* X/Open thread realtime support is available. */
63 #define _XOPEN_REALTIME_THREADS 1
65 /* XPG4.2 shared memory is supported. */
66 #define _XOPEN_SHM 1
68 /* Tell we have POSIX threads. */
69 #define _POSIX_THREADS 200809L
71 /* We have the reentrant functions described in POSIX. */
72 #define _POSIX_REENTRANT_FUNCTIONS 1
73 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
75 /* We provide priority scheduling for threads. */
76 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L
78 /* We support user-defined stack sizes. */
79 #define _POSIX_THREAD_ATTR_STACKSIZE 200809L
81 /* We support user-defined stacks. */
82 #define _POSIX_THREAD_ATTR_STACKADDR 200809L
84 /* We support priority inheritence. */
85 #define _POSIX_THREAD_PRIO_INHERIT 200809L
87 /* We support priority protection, though only for non-robust
88 mutexes. */
89 #define _POSIX_THREAD_PRIO_PROTECT 200809L
91 #ifdef __USE_XOPEN2K8
92 /* We support priority inheritence for robust mutexes. */
93 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT 200809L
95 /* We do not support priority protection for robust mutexes. */
96 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1
97 #endif
99 /* We support POSIX.1b semaphores. */
100 #define _POSIX_SEMAPHORES 200809L
102 /* Real-time signals are supported. */
103 #define _POSIX_REALTIME_SIGNALS 200809L
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
113 /* The LFS support in asynchronous I/O is also available. */
114 #define _LFS64_ASYNCHRONOUS_IO 1
116 /* The rest of the LFS is also available. */
117 #define _LFS_LARGEFILE 1
118 #define _LFS64_LARGEFILE 1
119 #define _LFS64_STDIO 1
121 /* POSIX shared memory objects are implemented. */
122 #define _POSIX_SHARED_MEMORY_OBJECTS 200809L
124 /* CPU-time clocks support needs to be checked at runtime. */
125 #define _POSIX_CPUTIME 0
127 /* Clock support in threads must be also checked at runtime. */
128 #define _POSIX_THREAD_CPUTIME 0
130 /* GNU libc provides regular expression handling. */
131 #define _POSIX_REGEXP 1
133 /* Reader/Writer locks are available. */
134 #define _POSIX_READER_WRITER_LOCKS 200809L
136 /* We have a POSIX shell. */
137 #define _POSIX_SHELL 1
139 /* We support the Timeouts option. */
140 #define _POSIX_TIMEOUTS 200809L
142 /* We support spinlocks. */
143 #define _POSIX_SPIN_LOCKS 200809L
145 /* The `spawn' function family is supported. */
146 #define _POSIX_SPAWN 200809L
148 /* We have POSIX timers. */
149 #define _POSIX_TIMERS 200809L
151 /* The barrier functions are available. */
152 #define _POSIX_BARRIERS 200809L
154 /* POSIX message queues are available. */
155 #define _POSIX_MESSAGE_PASSING 200809L
157 /* Thread process-shared synchronization is supported. */
158 #define _POSIX_THREAD_PROCESS_SHARED 200809L
160 /* The monotonic clock might be available. */
161 #define _POSIX_MONOTONIC_CLOCK 0
163 /* The clock selection interfaces are available. */
164 #define _POSIX_CLOCK_SELECTION 200809L
166 /* Advisory information interfaces are available. */
167 #define _POSIX_ADVISORY_INFO 200809L
169 /* IPv6 support is available. */
170 #define _POSIX_IPV6 200809L
172 /* Raw socket support is available. */
173 #define _POSIX_RAW_SOCKETS 200809L
175 /* We have at least one terminal. */
176 #define _POSIX2_CHAR_TERM 200809L
178 /* Neither process nor thread sporadic server interfaces is available. */
179 #define _POSIX_SPORADIC_SERVER -1
180 #define _POSIX_THREAD_SPORADIC_SERVER -1
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
188 /* Typed memory objects are not available. */
189 #define _POSIX_TYPED_MEMORY_OBJECTS -1
191 #endif /* bits/posix_opt.h */