#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 |