| #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 |