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