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55 lines
1.6 KiB
55 lines
1.6 KiB
#ifndef BOOST_THREAD_TIME_HPP |
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#define BOOST_THREAD_TIME_HPP |
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// (C) Copyright 2007 Anthony Williams |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#include <boost/date_time/time_clock.hpp> |
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#include <boost/date_time/microsec_time_clock.hpp> |
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#include <boost/date_time/posix_time/posix_time_types.hpp> |
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#include <boost/config/abi_prefix.hpp> |
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namespace boost |
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{ |
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typedef boost::posix_time::ptime system_time; |
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inline system_time get_system_time() |
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{ |
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#if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) |
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return boost::date_time::microsec_clock<system_time>::universal_time(); |
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#else // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) |
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return boost::date_time::second_clock<system_time>::universal_time(); |
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#endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) |
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} |
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namespace detail |
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{ |
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inline system_time get_system_time_sentinel() |
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{ |
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return system_time(boost::posix_time::pos_infin); |
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} |
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inline unsigned long get_milliseconds_until(system_time const& target_time) |
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{ |
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if(target_time.is_pos_infinity()) |
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{ |
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return ~(unsigned long)0; |
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} |
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system_time const now=get_system_time(); |
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if(target_time<=now) |
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{ |
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return 0; |
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} |
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return static_cast<unsigned long>((target_time-now).total_milliseconds()+1); |
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} |
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} |
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} |
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#include <boost/config/abi_suffix.hpp> |
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#endif
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