diff options
author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
---|---|---|
committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/thread/win32/interlocked_read.hpp | |
download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
Import.
Diffstat (limited to '3rdParty/Boost/boost/thread/win32/interlocked_read.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/thread/win32/interlocked_read.hpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/thread/win32/interlocked_read.hpp b/3rdParty/Boost/boost/thread/win32/interlocked_read.hpp new file mode 100644 index 0000000..133fb6f --- /dev/null +++ b/3rdParty/Boost/boost/thread/win32/interlocked_read.hpp @@ -0,0 +1,80 @@ +#ifndef BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP +#define BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP + +// interlocked_read_win32.hpp +// +// (C) Copyright 2005-8 Anthony Williams +// +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#include <boost/detail/interlocked.hpp> + +#include <boost/config/abi_prefix.hpp> + +#ifdef BOOST_MSVC + +extern "C" void _ReadWriteBarrier(void); +#pragma intrinsic(_ReadWriteBarrier) + +namespace boost +{ + namespace detail + { + inline long interlocked_read_acquire(long volatile* x) + { + long const res=*x; + _ReadWriteBarrier(); + return res; + } + inline void* interlocked_read_acquire(void* volatile* x) + { + void* const res=*x; + _ReadWriteBarrier(); + return res; + } + + inline void interlocked_write_release(long volatile* x,long value) + { + _ReadWriteBarrier(); + *x=value; + } + inline void interlocked_write_release(void* volatile* x,void* value) + { + _ReadWriteBarrier(); + *x=value; + } + } +} + +#else + +namespace boost +{ + namespace detail + { + inline long interlocked_read_acquire(long volatile* x) + { + return BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,0,0); + } + inline void* interlocked_read_acquire(void* volatile* x) + { + return BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(x,0,0); + } + inline void interlocked_write_release(long volatile* x,long value) + { + BOOST_INTERLOCKED_EXCHANGE(x,value); + } + inline void interlocked_write_release(void* volatile* x,void* value) + { + BOOST_INTERLOCKED_EXCHANGE_POINTER(x,value); + } + } +} + +#endif + +#include <boost/config/abi_suffix.hpp> + +#endif |