#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/time_clock.hpp> #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() { #if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) return boost::date_time::microsec_clock<system_time>::universal_time(); #else // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) return boost::date_time::second_clock<system_time>::universal_time(); #endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) } 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