193 lines
5.0 KiB
C
193 lines
5.0 KiB
C
/* Define POSIX options for Linux.
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Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _POSIX_OPT_H
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#define _POSIX_OPT_H 1
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/* Job control is supported. */
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#define _POSIX_JOB_CONTROL 1
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/* Processes have a saved set-user-ID and a saved set-group-ID. */
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#define _POSIX_SAVED_IDS 1
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/* Priority scheduling is supported. */
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#define _POSIX_PRIORITY_SCHEDULING 1
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/* Synchronizing file data is supported. */
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#define _POSIX_SYNCHRONIZED_IO 1
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/* The fsync function is present. */
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#define _POSIX_FSYNC 1
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/* Mapping of files to memory is supported. */
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#define _POSIX_MAPPED_FILES 1
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/* Locking of all memory is supported. */
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#ifdef __ARCH_HAS_MMU__
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# define _POSIX_MEMLOCK 1
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#else
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# undef _POSIX_MEMLOCK
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#endif
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/* Locking of ranges of memory is supported. */
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#ifdef __ARCH_HAS_MMU__
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# define _POSIX_MEMLOCK_RANGE 1
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#else
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# define _POSIX_MEMLOCK_RANGE
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#endif
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/* Setting of memory protections is supported. */
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#ifdef __ARCH_HAS_MMU__
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# define _POSIX_MEMORY_PROTECTION 1
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#else
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# undef _POSIX_MEMORY_PROTECTION
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#endif
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/* Implementation supports `poll' function. */
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#define _POSIX_POLL 1
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/* Implementation supports `select' and `pselect' functions. */
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#define _POSIX_SELECT 1
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/* Only root can change owner of file. */
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#define _POSIX_CHOWN_RESTRICTED 1
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/* `c_cc' member of 'struct termios' structure can be disabled by
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using the value _POSIX_VDISABLE. */
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#define _POSIX_VDISABLE '\0'
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/* Filenames are not silently truncated. */
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#define _POSIX_NO_TRUNC 1
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/* X/Open realtime support is available. */
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#define _XOPEN_REALTIME 1
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/* X/Open realtime thread support is available. */
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#ifdef __UCLIBC_HAS_THREADS__
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# define _XOPEN_REALTIME_THREADS 1
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#else
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# undef _XOPEN_REALTIME_THREADS
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#endif
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/* XPG4.2 shared memory is supported. */
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#define _XOPEN_SHM 1
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/* Tell we have POSIX threads. */
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#ifdef __UCLIBC_HAS_THREADS__
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# define _POSIX_THREADS 1
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#else
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# undef _POSIX_THREADS
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#endif
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/* We have the reentrant functions described in POSIX. */
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#ifdef __UCLIBC_HAS_THREADS__
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# define _POSIX_REENTRANT_FUNCTIONS 1
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# define _POSIX_THREAD_SAFE_FUNCTIONS 1
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#else
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# undef _POSIX_REENTRANT_FUNCTIONS
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# undef _POSIX_THREAD_SAFE_FUNCTIONS
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#endif
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/* We provide priority scheduling for threads. */
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#define _POSIX_THREAD_PRIORITY_SCHEDULING 1
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/* We support user-defined stack sizes. */
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#define _POSIX_THREAD_ATTR_STACKSIZE 1
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/* We support user-defined stacks. */
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#define _POSIX_THREAD_ATTR_STACKADDR 1
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/* We support POSIX.1b semaphores, but only the non-shared form for now. */
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#ifdef __UCLIBC_HAS_THREADS__
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# define _POSIX_SEMAPHORES 1
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#else
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# undef _POSIX_SEMAPHORES
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#endif
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/* Real-time signals are supported. */
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#define _POSIX_REALTIME_SIGNALS 1
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/* We support asynchronous I/O. */
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#define _POSIX_ASYNCHRONOUS_IO 1
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#define _POSIX_ASYNC_IO 1
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/* Alternative name for Unix98. */
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#define _LFS_ASYNCHRONOUS_IO 1
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/* The LFS support in asynchronous I/O is also available. */
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#ifdef __UCLIBC_HAS_LFS__
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# define _LFS64_ASYNCHRONOUS_IO 1
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#else
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# undef _LFS64_ASYNCHRONOUS_IO
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#endif
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/* The rest of the LFS is also available. */
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#ifdef __UCLIBC_HAS_LFS__
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# define _LFS_LARGEFILE 1
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# define _LFS64_LARGEFILE 1
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# define _LFS64_STDIO 1
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#else
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# undef _LFS_LARGEFILE
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# undef _LFS64_LARGEFILE
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# undef _LFS64_STDIO
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#endif
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/* POSIX shared memory objects are implemented. */
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#define _POSIX_SHARED_MEMORY_OBJECTS 1
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/* GNU libc provides regular expression handling. */
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#ifdef __UCLIBC_HAS_REGEX__
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# define _POSIX_REGEXP 1
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#else
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# undef _POSIX_REGEXP
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#endif
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#if defined(__i386__)
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/* CPU-time clocks supported. */
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#define _POSIX_CPUTIME 200912L
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/* We support the clock also in threads. */
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#define _POSIX_THREAD_CPUTIME 200912L
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#endif
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/* Reader/Writer locks are available. */
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#define _POSIX_READER_WRITER_LOCKS 200912L
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/* We have a POSIX shell. */
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#define _POSIX_SHELL 1
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/* We support the Timeouts option. */
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#define _POSIX_TIMEOUTS 200912L
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/* We support spinlocks. */
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#define _POSIX_SPIN_LOCKS 200912L
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/* The `spawn' function family is supported. */
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#define _POSIX_SPAWN 200912L
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/* We have POSIX timers. */
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#define _POSIX_TIMERS 1
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/* The barrier functions are available. */
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#define _POSIX_BARRIERS 200912L
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/* POSIX message queues are not yet supported. */
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#undef _POSIX_MESSAGE_PASSING
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#endif /* posix_opt.h */
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