1 | /* Define POSIX options for Linux. |
2 | Copyright (C) 1996-2022 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 <https://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 not supported with the correct semantics, |
29 | but GNU/Linux applications expect that the corresponding interfaces |
30 | are available, even though the semantics do not meet the POSIX |
31 | requirements. See glibc bug 14829. */ |
32 | #define _POSIX_PRIORITY_SCHEDULING 200809L |
33 | |
34 | /* Synchronizing file data is supported. */ |
35 | #define _POSIX_SYNCHRONIZED_IO 200809L |
36 | |
37 | /* The fsync function is present. */ |
38 | #define _POSIX_FSYNC 200809L |
39 | |
40 | /* Mapping of files to memory is supported. */ |
41 | #define _POSIX_MAPPED_FILES 200809L |
42 | |
43 | /* Locking of all memory is supported. */ |
44 | #define _POSIX_MEMLOCK 200809L |
45 | |
46 | /* Locking of ranges of memory is supported. */ |
47 | #define _POSIX_MEMLOCK_RANGE 200809L |
48 | |
49 | /* Setting of memory protections is supported. */ |
50 | #define _POSIX_MEMORY_PROTECTION 200809L |
51 | |
52 | /* Some filesystems allow all users to change file ownership. */ |
53 | #define _POSIX_CHOWN_RESTRICTED 0 |
54 | |
55 | /* `c_cc' member of 'struct termios' structure can be disabled by |
56 | using the value _POSIX_VDISABLE. */ |
57 | #define _POSIX_VDISABLE '\0' |
58 | |
59 | /* Filenames are not silently truncated. */ |
60 | #define _POSIX_NO_TRUNC 1 |
61 | |
62 | /* X/Open realtime support is available. */ |
63 | #define _XOPEN_REALTIME 1 |
64 | |
65 | /* X/Open thread realtime support is available. */ |
66 | #define _XOPEN_REALTIME_THREADS 1 |
67 | |
68 | /* XPG4.2 shared memory is supported. */ |
69 | #define _XOPEN_SHM 1 |
70 | |
71 | /* Tell we have POSIX threads. */ |
72 | #define _POSIX_THREADS 200809L |
73 | |
74 | /* We have the reentrant functions described in POSIX. */ |
75 | #define _POSIX_REENTRANT_FUNCTIONS 1 |
76 | #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L |
77 | |
78 | /* We provide priority scheduling for threads. */ |
79 | #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L |
80 | |
81 | /* We support user-defined stack sizes. */ |
82 | #define _POSIX_THREAD_ATTR_STACKSIZE 200809L |
83 | |
84 | /* We support user-defined stacks. */ |
85 | #define _POSIX_THREAD_ATTR_STACKADDR 200809L |
86 | |
87 | /* We support priority inheritence. */ |
88 | #define _POSIX_THREAD_PRIO_INHERIT 200809L |
89 | |
90 | /* We support priority protection, though only for non-robust |
91 | mutexes. */ |
92 | #define _POSIX_THREAD_PRIO_PROTECT 200809L |
93 | |
94 | #ifdef __USE_XOPEN2K8 |
95 | /* We support priority inheritence for robust mutexes. */ |
96 | # define _POSIX_THREAD_ROBUST_PRIO_INHERIT 200809L |
97 | |
98 | /* We do not support priority protection for robust mutexes. */ |
99 | # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 |
100 | #endif |
101 | |
102 | /* We support POSIX.1b semaphores. */ |
103 | #define _POSIX_SEMAPHORES 200809L |
104 | |
105 | /* Real-time signals are supported. */ |
106 | #define _POSIX_REALTIME_SIGNALS 200809L |
107 | |
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 |
115 | |
116 | /* The LFS support in asynchronous I/O is also available. */ |
117 | #define _LFS64_ASYNCHRONOUS_IO 1 |
118 | |
119 | /* The rest of the LFS is also available. */ |
120 | #define _LFS_LARGEFILE 1 |
121 | #define _LFS64_LARGEFILE 1 |
122 | #define _LFS64_STDIO 1 |
123 | |
124 | /* POSIX shared memory objects are implemented. */ |
125 | #define _POSIX_SHARED_MEMORY_OBJECTS 200809L |
126 | |
127 | /* CPU-time clocks support needs to be checked at runtime. */ |
128 | #define _POSIX_CPUTIME 0 |
129 | |
130 | /* Clock support in threads must be also checked at runtime. */ |
131 | #define _POSIX_THREAD_CPUTIME 0 |
132 | |
133 | /* GNU libc provides regular expression handling. */ |
134 | #define _POSIX_REGEXP 1 |
135 | |
136 | /* Reader/Writer locks are available. */ |
137 | #define _POSIX_READER_WRITER_LOCKS 200809L |
138 | |
139 | /* We have a POSIX shell. */ |
140 | #define _POSIX_SHELL 1 |
141 | |
142 | /* We support the Timeouts option. */ |
143 | #define _POSIX_TIMEOUTS 200809L |
144 | |
145 | /* We support spinlocks. */ |
146 | #define _POSIX_SPIN_LOCKS 200809L |
147 | |
148 | /* The `spawn' function family is supported. */ |
149 | #define _POSIX_SPAWN 200809L |
150 | |
151 | /* We have POSIX timers. */ |
152 | #define _POSIX_TIMERS 200809L |
153 | |
154 | /* The barrier functions are available. */ |
155 | #define _POSIX_BARRIERS 200809L |
156 | |
157 | /* POSIX message queues are available. */ |
158 | #define _POSIX_MESSAGE_PASSING 200809L |
159 | |
160 | /* Thread process-shared synchronization is supported. */ |
161 | #define _POSIX_THREAD_PROCESS_SHARED 200809L |
162 | |
163 | /* The monotonic clock might be available. */ |
164 | #define _POSIX_MONOTONIC_CLOCK 0 |
165 | |
166 | /* The clock selection interfaces are available. */ |
167 | #define _POSIX_CLOCK_SELECTION 200809L |
168 | |
169 | /* Advisory information interfaces are available. */ |
170 | #define _POSIX_ADVISORY_INFO 200809L |
171 | |
172 | /* IPv6 support is available. */ |
173 | #define _POSIX_IPV6 200809L |
174 | |
175 | /* Raw socket support is available. */ |
176 | #define _POSIX_RAW_SOCKETS 200809L |
177 | |
178 | /* We have at least one terminal. */ |
179 | #define _POSIX2_CHAR_TERM 200809L |
180 | |
181 | /* Neither process nor thread sporadic server interfaces is available. */ |
182 | #define _POSIX_SPORADIC_SERVER -1 |
183 | #define _POSIX_THREAD_SPORADIC_SERVER -1 |
184 | |
185 | /* trace.h is not available. */ |
186 | #define _POSIX_TRACE -1 |
187 | #define _POSIX_TRACE_EVENT_FILTER -1 |
188 | #define _POSIX_TRACE_INHERIT -1 |
189 | #define _POSIX_TRACE_LOG -1 |
190 | |
191 | /* Typed memory objects are not available. */ |
192 | #define _POSIX_TYPED_MEMORY_OBJECTS -1 |
193 | |
194 | #endif /* bits/posix_opt.h */ |
195 | |