mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-29 22:50:47 +00:00
e08728bda5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2994 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
// (C) Copyright Boost.org 2001. Permission to copy, use, modify, sell and
|
|
// distribute this software is granted provided this copyright notice appears
|
|
// in all copies. This software is provided "as is" without express or implied
|
|
// warranty, and with no claim as to its suitability for any purpose.
|
|
|
|
// See http://www.boost.org for most recent version.
|
|
|
|
// All POSIX feature tests go in this file:
|
|
|
|
# ifdef BOOST_HAS_UNISTD_H
|
|
# include <unistd.h>
|
|
|
|
// XOpen has <nl_types.h>, but is this the correct version check?
|
|
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION >= 3)
|
|
# define BOOST_HAS_NL_TYPES_H
|
|
# endif
|
|
|
|
// POSIX version 6 requires <stdint.h>
|
|
# if defined(_POSIX_VERSION) && (_POSIX_VERSION >= 200100)
|
|
# define BOOST_HAS_STDINT_H
|
|
# endif
|
|
|
|
// POSIX defines _POSIX_THREADS > 0 for pthread support,
|
|
// however some platforms define _POSIX_THREADS without
|
|
// a value, hence the (_POSIX_THREADS+0 >= 0) check.
|
|
// Strictly speaking this may catch platforms with a
|
|
// non-functioning stub <pthreads.h>, but such occurrences should
|
|
// occur very rarely if at all.
|
|
# if defined(_POSIX_THREADS) && (_POSIX_THREADS+0 >= 0) && !defined(BOOST_HAS_WINTHREADS)
|
|
# define BOOST_HAS_PTHREADS
|
|
# endif
|
|
|
|
// BOOST_HAS_NANOSLEEP:
|
|
// This is predicated on _POSIX_TIMERS or _XOPEN_REALTIME:
|
|
# if (defined(_POSIX_TIMERS) && (_POSIX_TIMERS+0 >= 0)) \
|
|
|| (defined(_XOPEN_REALTIME) && (_XOPEN_REALTIME+0 >= 0))
|
|
# define BOOST_HAS_NANOSLEEP
|
|
# endif
|
|
|
|
// BOOST_HAS_CLOCK_GETTIME:
|
|
// This is predicated on _POSIX_TIMERS (also on _XOPEN_REALTIME
|
|
// but at least one platform - linux - defines that flag without
|
|
// defining clock_gettime):
|
|
# if (defined(_POSIX_TIMERS) && (_POSIX_TIMERS+0 >= 0))
|
|
# define BOOST_HAS_CLOCK_GETTIME
|
|
# endif
|
|
|
|
// BOOST_HAS_SCHED_YIELD:
|
|
// This is predicated on _POSIX_PRIORITY_SCHEDULING or
|
|
// on _POSIX_THREAD_PRIORITY_SCHEDULING or on _XOPEN_REALTIME.
|
|
# if defined(_POSIX_PRIORITY_SCHEDULING) && (_POSIX_PRIORITY_SCHEDULING+0 > 0)\
|
|
|| (defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING+0 > 0))\
|
|
|| (defined(_XOPEN_REALTIME) && (_XOPEN_REALTIME+0 >= 0))
|
|
# define BOOST_HAS_SCHED_YIELD
|
|
# endif
|
|
|
|
// BOOST_HAS_GETTIMEOFDAY:
|
|
// BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE:
|
|
// These are predicated on _XOPEN_VERSION, and appears to be first released
|
|
// in issue 4, version 2 (_XOPEN_VERSION > 500).
|
|
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION+0 >= 500)
|
|
# define BOOST_HAS_GETTIMEOFDAY
|
|
# define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
|
|
# endif
|
|
|
|
# endif
|