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// Copyright Oliver Kowalke 2013.
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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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#ifndef BOOST_FIBERS_MUTEX_H
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#define BOOST_FIBERS_MUTEX_H
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#include <boost/config.hpp>
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#include <boost/assert.hpp>
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#include <boost/fiber/context.hpp>
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#include <boost/fiber/detail/config.hpp>
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#include <boost/fiber/detail/spinlock.hpp>
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#include <boost/fiber/waker.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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#ifdef _MSC_VER
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# pragma warning(push)
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# pragma warning(disable:4251)
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#endif
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namespace boost {
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namespace fibers {
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class condition_variable;
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class BOOST_FIBERS_DECL mutex {
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private:
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friend class condition_variable;
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detail::spinlock wait_queue_splk_{};
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wait_queue wait_queue_{};
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context * owner_{ nullptr };
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public:
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mutex() = default;
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~mutex() {
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BOOST_ASSERT( nullptr == owner_);
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BOOST_ASSERT( wait_queue_.empty() );
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}
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mutex( mutex const&) = delete;
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mutex & operator=( mutex const&) = delete;
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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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}}
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#ifdef _MSC_VER
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# pragma warning(pop)
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#endif
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_FIBERS_MUTEX_H
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