1 /* Define POSIX options for Linux.
2 Copyright (C) 1996-2004, 2006, 2008, 2009 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 not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #ifndef _BITS_POSIX_OPT_H
21 #define _BITS_POSIX_OPT_H 1
23 /* Job control is supported. */
24 #define _POSIX_JOB_CONTROL 1
26 /* Processes have a saved set-user-ID and a saved set-group-ID. */
27 #define _POSIX_SAVED_IDS 1
29 /* Priority scheduling is supported. */
30 #define _POSIX_PRIORITY_SCHEDULING 200809L
32 /* Synchronizing file data is supported. */
33 #define _POSIX_SYNCHRONIZED_IO 200809L
35 /* The fsync function is present. */
36 #define _POSIX_FSYNC 200809L
38 /* Mapping of files to memory is supported. */
39 #define _POSIX_MAPPED_FILES 200809L
41 /* Locking of all memory is supported. */
42 #define _POSIX_MEMLOCK 200809L
44 /* Locking of ranges of memory is supported. */
45 #define _POSIX_MEMLOCK_RANGE 200809L
47 /* Setting of memory protections is supported. */
48 #define _POSIX_MEMORY_PROTECTION 200809L
50 /* Some filesystems allow all users to change file ownership. */
51 #define _POSIX_CHOWN_RESTRICTED 0
53 /* `c_cc' member of 'struct termios' structure can be disabled by
54 using the value _POSIX_VDISABLE. */
55 #define _POSIX_VDISABLE '\0'
57 /* Filenames are not silently truncated. */
58 #define _POSIX_NO_TRUNC 1
60 /* X/Open realtime support is available. */
61 #define _XOPEN_REALTIME 1
63 /* X/Open thread realtime support is available. */
64 #define _XOPEN_REALTIME_THREADS 1
66 /* XPG4.2 shared memory is supported. */
69 /* Tell we have POSIX threads. */
70 #define _POSIX_THREADS 200809L
72 /* We have the reentrant functions described in POSIX. */
73 #define _POSIX_REENTRANT_FUNCTIONS 1
74 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
76 /* We provide priority scheduling for threads. */
77 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L
79 /* We support user-defined stack sizes. */
80 #define _POSIX_THREAD_ATTR_STACKSIZE 200809L
82 /* We support user-defined stacks. */
83 #define _POSIX_THREAD_ATTR_STACKADDR 200809L
85 /* We support priority inheritence. */
86 #define _POSIX_THREAD_PRIO_INHERIT 200809L
88 /* We support priority protection, though only for non-robust
90 #define _POSIX_THREAD_PRIO_PROTECT 200809L
93 /* We support priority inheritence for robust mutexes. */
94 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT 200809L
96 /* We do not support priority protection for robust mutexes. */
97 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1
100 #ifdef __UCLIBC_HAS_REALTIME__
101 /* We support POSIX.1b semaphores. */
102 #define _POSIX_SEMAPHORES 200809L
105 /* Real-time signals are supported. */
106 #define _POSIX_REALTIME_SIGNALS 200809L
108 /* We support asynchronous I/O. */
109 #define _POSIX_ASYNCHRONOUS_IO 200809L
110 #define _POSIX_ASYNC_IO 1
111 /* Alternative name for Unix98. */
112 #define _LFS_ASYNCHRONOUS_IO 1
113 /* Support for prioritization is also available. */
114 #define _POSIX_PRIORITIZED_IO 200809L
116 /* The LFS support in asynchronous I/O is also available. */
117 #define _LFS64_ASYNCHRONOUS_IO 1
119 #ifdef __UCLIBC_HAS_LFS__
120 /* The rest of the LFS is also available. */
121 #define _LFS_LARGEFILE 1
122 #define _LFS64_LARGEFILE 1
123 #define _LFS64_STDIO 1
126 /* POSIX shared memory objects are implemented. */
127 #define _POSIX_SHARED_MEMORY_OBJECTS 200809L
129 /* CPU-time clocks support needs to be checked at runtime. */
130 #define _POSIX_CPUTIME 0
132 /* Clock support in threads must be also checked at runtime. */
133 #define _POSIX_THREAD_CPUTIME 0
135 #ifdef __UCLIBC_HAS_REGEX__
136 /* GNU libc provides regular expression handling. */
137 #define _POSIX_REGEXP 1
140 /* Reader/Writer locks are available. */
141 #define _POSIX_READER_WRITER_LOCKS 200809L
143 /* We have a POSIX shell. */
144 #define _POSIX_SHELL 1
146 /* We support the Timeouts option. */
147 #define _POSIX_TIMEOUTS 200809L
149 /* We support spinlocks. */
150 #define _POSIX_SPIN_LOCKS 200809L
152 #if 0 /* no support in uClibc (yet) */
153 /* The `spawn' function family is supported. */
154 #define _POSIX_SPAWN 200809L
157 /* We have POSIX timers. */
158 #define _POSIX_TIMERS 200809L
160 /* The barrier functions are available. */
161 #define _POSIX_BARRIERS 200809L
163 /* POSIX message queues are available. */
164 #define _POSIX_MESSAGE_PASSING 200809L
166 /* Thread process-shared synchronization is supported. */
167 #define _POSIX_THREAD_PROCESS_SHARED 200809L
169 /* The monotonic clock might be available. */
170 #define _POSIX_MONOTONIC_CLOCK 0
172 /* The clock selection interfaces are available. */
173 #define _POSIX_CLOCK_SELECTION 200809L
175 /* Advisory information interfaces are available. */
176 #define _POSIX_ADVISORY_INFO 200809L
178 #ifdef __UCLIBC_HAS_IPV6__
179 /* IPv6 support is available. */
180 #define _POSIX_IPV6 200809L
183 #ifdef __UCLIBC_HAS_SOCKET__
184 /* Raw socket support is available. */
185 #define _POSIX_RAW_SOCKETS 200809L
188 /* We have at least one terminal. */
189 #define _POSIX2_CHAR_TERM 200809L
191 /* Neither process nor thread sporadic server interfaces is available. */
192 #define _POSIX_SPORADIC_SERVER -1
193 #define _POSIX_THREAD_SPORADIC_SERVER -1
195 /* trace.h is not available. */
196 #define _POSIX_TRACE -1
197 #define _POSIX_TRACE_EVENT_FILTER -1
198 #define _POSIX_TRACE_INHERIT -1
199 #define _POSIX_TRACE_LOG -1
201 /* Typed memory objects are not available. */
202 #define _POSIX_TYPED_MEMORY_OBJECTS -1
204 #endif /* bits/posix_opt.h */