#ifndef BOOST_THREAD_TIME_HPP

#define BOOST_THREAD_TIME_HPP

//  (C) Copyright 2007 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)

#include <boost/date_time/microsec_time_clock.hpp>

#include <boost/date_time/posix_time/posix_time_types.hpp>

#include <boost/config/abi_prefix.hpp>

namespace boost

{

    typedef boost::posix_time::ptime system_time;

    inline system_time get_system_time()

    {

        return boost::date_time::microsec_clock<system_time>::universal_time();

    }

    namespace detail

    {

        inline system_time get_system_time_sentinel()

        {

            return system_time(boost::posix_time::pos_infin);

        }

        inline unsigned long get_milliseconds_until(system_time const& target_time)

        {

            if(target_time.is_pos_infinity())

            {

                return ~(unsigned long)0;

            }

            system_time const now=get_system_time();

            if(target_time<=now)

            {

                return 0;

            }

            return static_cast<unsigned long>((target_time-now).total_milliseconds()+1);

        }

    }

}

#include <boost/config/abi_suffix.hpp>

#endif