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| 1 | /* Define POSIX options for GNU/Hurd. |
|---|---|
| 2 | Copyright (C) 1998-2024 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 inheritance. */ |
| 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 inheritance 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 */ |
| 197 |
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