strict_lock.cpp

// 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/lock_traits.hpp>
#include <boost/thread/lock_types.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/shared_mutex.hpp>
#include <boost/thread/strict_lock.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;
}