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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
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#define BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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//
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// boost/detail/spinlock.hpp
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//
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// Copyright (c) 2008 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// struct spinlock
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// {
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// void lock();
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// bool try_lock();
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// void unlock();
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//
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// class scoped_lock;
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// };
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//
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// #define BOOST_DETAIL_SPINLOCK_INIT <unspecified>
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//
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#include <boost/config.hpp>
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#include <boost/smart_ptr/detail/sp_has_sync.hpp>
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#if defined( BOOST_SP_USE_STD_ATOMIC )
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# if !defined( __clang__ )
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# include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
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# else
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// Clang (at least up to 3.4) can't compile spinlock_pool when
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// using std::atomic, so substitute the __sync implementation instead.
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# include <boost/smart_ptr/detail/spinlock_sync.hpp>
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# endif
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#elif defined( BOOST_SP_USE_PTHREADS )
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# include <boost/smart_ptr/detail/spinlock_pt.hpp>
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#elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
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# include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
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#elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ )
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# include <boost/smart_ptr/detail/spinlock_gcc_arm.hpp>
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#elif defined( BOOST_SP_HAS_SYNC )
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# include <boost/smart_ptr/detail/spinlock_sync.hpp>
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#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
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# include <boost/smart_ptr/detail/spinlock_w32.hpp>
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#elif defined(BOOST_HAS_PTHREADS)
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# include <boost/smart_ptr/detail/spinlock_pt.hpp>
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#elif !defined(BOOST_HAS_THREADS)
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# include <boost/smart_ptr/detail/spinlock_nt.hpp>
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#else
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# error Unrecognized threading platform
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#endif
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#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
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