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