initial commit
[glibc.git] / .pc / hurd-i386 / tg-sysvshm.diff / sysdeps / mach / hurd / bits / posix_opt.h
1 /* Define POSIX options for GNU/Hurd.
2 Copyright (C) 1998-2022 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
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #ifndef _UNISTD_H
20 #error "Never include this file directly; use <unistd.h> instead."
21 #endif
22
23 #ifndef _BITS_POSIX_OPT_H
24 #define _BITS_POSIX_OPT_H 1
25
26
27 /* Job control is supported. */
28 #define _POSIX_JOB_CONTROL 1
29
30 /* Processes have a saved set-user-ID and a saved set-group-ID. */
31 #define _POSIX_SAVED_IDS 1
32
33 /* Priority scheduling is not supported. */
34 #undef _POSIX_PRIORITY_SCHEDULING
35
36 /* Synchronizing file data is supported, but msync is missing. */
37 #undef _POSIX_SYNCHRONIZED_IO
38
39 /* The fsync function is present. */
40 #define _POSIX_FSYNC 200809L
41
42 /* Mapping of files to memory is supported. */
43 #define _POSIX_MAPPED_FILES 200809L
44
45 /* Locking of all memory is supported. */
46 #define _POSIX_MEMLOCK 200809L
47
48 /* Locking of ranges of memory is supported. */
49 #define _POSIX_MEMLOCK_RANGE 200809L
50
51 /* Setting of memory protections is supported. */
52 #define _POSIX_MEMORY_PROTECTION 200809L
53
54 /* Elements of the `c_cc' member of `struct termios' structure
55 can be disabled by using the value _POSIX_VDISABLE. */
56 #define _POSIX_VDISABLE '\0'
57
58
59 /* Different Hurd filesystems might do these differently.
60 You must query the particular file with `pathconf' or `fpathconf'. */
61 #define _POSIX_CHOWN_RESTRICTED 0 /* Only root can change owner of file? */
62 #define _POSIX_NO_TRUNC 0 /* Overlong file names get error? */
63 #undef _POSIX_SYNC_IO /* File supports O_SYNC et al? */
64
65 /* X/Open realtime support is not supported. */
66 #undef _XOPEN_REALTIME
67
68 /* X/Open thread realtime support is not supported. */
69 #undef _XOPEN_REALTIME_THREADS
70
71 /* XPG4.2 shared memory is not supported. */
72 #undef _XOPEN_SHM
73
74 /* Tell we have POSIX threads. */
75 #define _POSIX_THREADS 200809L
76
77 /* We have the reentrant functions described in POSIX. */
78 #define _POSIX_REENTRANT_FUNCTIONS 1
79 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
80
81 /* We do not provide priority scheduling for threads. */
82 #define _POSIX_THREAD_PRIORITY_SCHEDULING -1
83
84 /* We support user-defined stack sizes. */
85 #define _POSIX_THREAD_ATTR_STACKSIZE 200809L
86
87 /* We support user-defined stacks. */
88 #define _POSIX_THREAD_ATTR_STACKADDR 200809L
89
90 /* We do not support priority inheritence. */
91 #define _POSIX_THREAD_PRIO_INHERIT -1
92
93 /* We do not support priority protection. */
94 #define _POSIX_THREAD_PRIO_PROTECT -1
95
96 #ifdef __USE_XOPEN2K8
97 /* We do not support priority inheritence for robust mutexes. */
98 # define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1
99
100 /* We do not support priority protection for robust mutexes. */
101 # define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1
102 #endif
103
104 /* We support POSIX.1b semaphores. */
105 #define _POSIX_SEMAPHORES 200809L
106
107 /* Real-time signals are not yet supported. */
108 #define _POSIX_REALTIME_SIGNALS -1
109
110 /* Asynchronous I/O might supported with the existing ABI. */
111 #define _POSIX_ASYNCHRONOUS_IO 0
112 #undef _POSIX_ASYNC_IO
113 /* Alternative name for Unix98. */
114 #define _LFS_ASYNCHRONOUS_IO _POSIX_ASYNCHRONOUS_IO
115 /* Support for prioritization is not available. */
116 #undef _POSIX_PRIORITIZED_IO
117
118 /* The LFS support in asynchronous I/O is also available. */
119 #define _LFS64_ASYNCHRONOUS_IO _POSIX_ASYNCHRONOUS_IO
120
121 /* The rest of the LFS is also available. */
122 #define _LFS_LARGEFILE 1
123 #define _LFS64_LARGEFILE 1
124 #define _LFS64_STDIO 1
125
126 /* POSIX.4 shared memory objects are supported (using regular files). */
127 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_MAPPED_FILES
128
129 /* CPU-time clocks support needs to be checked at runtime. */
130 #define _POSIX_CPUTIME 0
131
132 /* Clock support in threads must be also checked at runtime. */
133 #define _POSIX_THREAD_CPUTIME 0
134
135 /* GNU libc provides regular expression handling. */
136 #define _POSIX_REGEXP 1
137
138 /* Reader/Writer locks are available. */
139 #define _POSIX_READER_WRITER_LOCKS 200809L
140
141 /* We have a POSIX shell. */
142 #define _POSIX_SHELL 1
143
144 /* We support the Timeouts option. */
145 #define _POSIX_TIMEOUTS 200809L
146
147 /* We support spinlocks. */
148 #define _POSIX_SPIN_LOCKS 200809L
149
150 /* The `spawn' function family is supported. */
151 #define _POSIX_SPAWN 200809L
152
153 /* We do not have POSIX timers, but could in future without ABI change. */
154 #define _POSIX_TIMERS 0
155
156 /* The barrier functions are available. */
157 #define _POSIX_BARRIERS 200809L
158
159 /* POSIX message queues could be available in future. */
160 #define _POSIX_MESSAGE_PASSING 0
161
162 /* Thread process-shared synchronization is not supported. */
163 #define _POSIX_THREAD_PROCESS_SHARED -1
164
165 /* The monotonic clock might be available. */
166 #define _POSIX_MONOTONIC_CLOCK 0
167
168 /* The clock selection interfaces are available. */
169 #define _POSIX_CLOCK_SELECTION 200809L
170
171 /* Advisory information interfaces could be available in future. */
172 #define _POSIX_ADVISORY_INFO 0
173
174 /* IPv6 support is available. */
175 #define _POSIX_IPV6 200809L
176
177 /* Raw socket support is available. */
178 #define _POSIX_RAW_SOCKETS 200809L
179
180 /* We have at least one terminal. */
181 #define _POSIX2_CHAR_TERM 200809L
182
183 /* Neither process nor thread sporadic server interfaces is available. */
184 #define _POSIX_SPORADIC_SERVER -1
185 #define _POSIX_THREAD_SPORADIC_SERVER -1
186
187 /* trace.h is not available. */
188 #define _POSIX_TRACE -1
189 #define _POSIX_TRACE_EVENT_FILTER -1
190 #define _POSIX_TRACE_INHERIT -1
191 #define _POSIX_TRACE_LOG -1
192
193 /* Typed memory objects are not available. */
194 #define _POSIX_TYPED_MEMORY_OBJECTS -1
195
196 #endif /* bits/posix_opt.h */