// Copyright (C) 2012 Vicente Botet//// 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)#define BOOST_THREAD_VERSION 4#include <boost/thread/mutex.hpp>#include <boost/thread/lock_traits.hpp>#include <boost/thread/shared_mutex.hpp>#include <boost/thread/strict_lock.hpp>#include <boost/thread/lock_types.hpp>#include <iostream>BOOST_STATIC_ASSERT(boost::is_strict_lock<boost::strict_lock<boost::mutex> >::value);BOOST_CONCEPT_ASSERT(( boost::BasicLockable<boost::mutex> ));BOOST_CONCEPT_ASSERT(( boost::StrictLock<boost::strict_lock<boost::mutex> > ));int main(){{boost::mutex mtx;boost::strict_lock<boost::mutex> lk(mtx);std::cout << __FILE__ << std::endl;}{boost::timed_mutex mtx;boost::unique_lock<boost::timed_mutex> lk(mtx);boost::nested_strict_lock<boost::unique_lock<boost::timed_mutex> > nlk(lk);std::cout << __FILE__ << std::endl;}{boost::mutex mtx;boost::unique_lock<boost::mutex> lk(mtx, boost::defer_lock);boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk(lk);std::cout << __FILE__ << std::endl;}return 0;}
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