1/* Define POSIX options for Linux. 2 Copyright (C) 1996-2001, 2002, 2003, 2004 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 not, 17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 18 Boston, MA 02111-1307, USA. */ 19 20#ifndef _POSIX_OPT_H 21#define _POSIX_OPT_H 1 22 23/* Job control is supported. */ 24#define _POSIX_JOB_CONTROL 1 25 26/* Processes have a saved set-user-ID and a saved set-group-ID. */ 27#define _POSIX_SAVED_IDS 1 28 29/* Priority scheduling is supported. */ 30#define _POSIX_PRIORITY_SCHEDULING 200112L 31 32/* Synchronizing file data is supported. */ 33#define _POSIX_SYNCHRONIZED_IO 200112L 34 35/* The fsync function is present. */ 36#define _POSIX_FSYNC 200112L 37 38/* Mapping of files to memory is supported. */ 39#define _POSIX_MAPPED_FILES 200112L 40 41/* Locking of all memory is supported. */ 42#define _POSIX_MEMLOCK 200112L 43 44/* Locking of ranges of memory is supported. */ 45#define _POSIX_MEMLOCK_RANGE 200112L 46 47/* Setting of memory protections is supported. */ 48#define _POSIX_MEMORY_PROTECTION 200112L 49 50/* Only root can change owner of file. */ 51#define _POSIX_CHOWN_RESTRICTED 1 52 53/* `c_cc' member of 'struct termios' structure can be disabled by 54 using the value _POSIX_VDISABLE. */ 55#define _POSIX_VDISABLE '\0' 56 57/* Filenames are not silently truncated. */ 58#define _POSIX_NO_TRUNC 1 59 60/* X/Open realtime support is available. */ 61#define _XOPEN_REALTIME 1 62 63/* XPG4.2 shared memory is supported. */ 64#define _XOPEN_SHM 1 65 66/* Tell we have POSIX threads. */ 67#define _POSIX_THREADS 200112L 68 69/* We have the reentrant functions described in POSIX. */ 70#define _POSIX_REENTRANT_FUNCTIONS 1 71#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L 72 73/* We provide priority scheduling for threads. */ 74#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 75 76/* We support user-defined stack sizes. */ 77#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 78 79/* We support user-defined stacks. */ 80#define _POSIX_THREAD_ATTR_STACKADDR 200112L 81 82#ifdef __UCLIBC_HAS_REALTIME__ 83/* We support POSIX.1b semaphores. */ 84#define _POSIX_SEMAPHORES 200112L 85#endif 86 87/* Real-time signals are supported. */ 88#define _POSIX_REALTIME_SIGNALS 200112L 89 90/* We support asynchronous I/O. */ 91#define _POSIX_ASYNCHRONOUS_IO 200112L 92#define _POSIX_ASYNC_IO 1 93/* Alternative name for Unix98. */ 94#define _LFS_ASYNCHRONOUS_IO 1 95/* Support for prioritization is also available. */ 96#define _POSIX_PRIORITIZED_IO 200112L 97 98/* The LFS support in asynchronous I/O is also available. */ 99#define _LFS64_ASYNCHRONOUS_IO 1 100 101#ifdef __UCLIBC_HAS_LFS__ 102/* The rest of the LFS is also available. */ 103#define _LFS_LARGEFILE 1 104#define _LFS64_LARGEFILE 1 105#define _LFS64_STDIO 1 106#endif 107 108/* POSIX shared memory objects are implemented. */ 109#define _POSIX_SHARED_MEMORY_OBJECTS 200112L 110 111/* CPU-time clocks support needs to be checked at runtime. */ 112#define _POSIX_CPUTIME 0 113 114/* Clock support in threads must be also checked at runtime. */ 115#define _POSIX_THREAD_CPUTIME 0 116 117#ifdef __UCLIBC_HAS_REGEX__ 118/* GNU libc provides regular expression handling. */ 119#define _POSIX_REGEXP 1 120#endif 121 122/* Reader/Writer locks are available. */ 123#define _POSIX_READER_WRITER_LOCKS 200112L 124 125/* We have a POSIX shell. */ 126#define _POSIX_SHELL 1 127 128/* We support the Timeouts option. */ 129#define _POSIX_TIMEOUTS 200112L 130 131/* We support spinlocks. */ 132#define _POSIX_SPIN_LOCKS 200112L 133 134/* The `spawn' function family is supported. */ 135#if 0 /* no support in uClibc (yet) */ 136#define _POSIX_SPAWN 200112L 137#endif 138 139/* We have POSIX timers. */ 140#define _POSIX_TIMERS 200112L 141 142/* The barrier functions are available. */ 143#define _POSIX_BARRIERS 200112L 144 145/* POSIX message queues are available. */ 146#define _POSIX_MESSAGE_PASSING 200112L 147 148/* Thread process-shared synchronization is supported. */ 149#define _POSIX_THREAD_PROCESS_SHARED 200112L 150 151/* The monotonic clock might be available. */ 152#define _POSIX_MONOTONIC_CLOCK 0 153 154/* The clock selection interfaces are available. */ 155#define _POSIX_CLOCK_SELECTION 200112L 156 157/* Advisory information interfaces are available. */ 158#define _POSIX_ADVISORY_INFO 200112L 159 160#ifdef __UCLIBC_HAS_IPV6__ 161/* IPv6 support is available. */ 162#define _POSIX_IPV6 200112L 163#endif 164 165#ifdef __UCLIBC_HAS_SOCKET__ 166/* Raw socket support is available. */ 167#define _POSIX_RAW_SOCKETS 200112L 168#endif 169 170/* We have at least one terminal. */ 171#define _POSIX2_CHAR_TERM 200112L 172 173/* Neither process nor thread sporadic server interfaces is available. */ 174#define _POSIX_SPORADIC_SERVER -1 175#define _POSIX_THREAD_SPORADIC_SERVER -1 176 177/* trace.h is not available. */ 178#define _POSIX_TRACE -1 179#define _POSIX_TRACE_EVENT_FILTER -1 180#define _POSIX_TRACE_INHERIT -1 181#define _POSIX_TRACE_LOG -1 182 183/* Typed memory objects are not available. */ 184#define _POSIX_TYPED_MEMORY_OBJECTS -1 185 186/* No support for priority inheritance or protection so far. */ 187#define _POSIX_THREAD_PRIO_INHERIT -1 188#define _POSIX_THREAD_PRIO_PROTECT -1 189 190#endif /* posix_opt.h */ 191