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interlocked_read.hpp - Hosted on DriveHQ Cloud IT Platform
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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\thread\win32\interlocked_read.hpp
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#ifndef BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP #define BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP // interlocked_read_win32.hpp // // (C) Copyright 2005-7 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) #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 #include
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 #endif
interlocked_read.hpp
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