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93 lines
2.3 KiB
93 lines
2.3 KiB
// Copyright (C) 2001-2003 |
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// William E. Kempf |
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// Copyright (C) 2007-8 Anthony Williams |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_XTIME_WEK070601_HPP |
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#define BOOST_XTIME_WEK070601_HPP |
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#include <boost/thread/detail/config.hpp> |
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#if defined BOOST_THREAD_USES_DATETIME |
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#include <boost/cstdint.hpp> |
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#include <boost/thread/thread_time.hpp> |
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#include <boost/date_time/posix_time/conversion.hpp> |
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#include <boost/config/abi_prefix.hpp> |
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namespace boost { |
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enum xtime_clock_types |
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{ |
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TIME_UTC_=1 |
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// TIME_TAI, |
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// TIME_MONOTONIC, |
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// TIME_PROCESS, |
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// TIME_THREAD, |
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// TIME_LOCAL, |
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// TIME_SYNC, |
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// TIME_RESOLUTION |
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}; |
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struct xtime |
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{ |
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#if defined(BOOST_NO_INT64_T) |
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typedef int_fast32_t xtime_sec_t; //INT_FAST32_MIN <= sec <= INT_FAST32_MAX |
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#else |
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typedef int_fast64_t xtime_sec_t; //INT_FAST64_MIN <= sec <= INT_FAST64_MAX |
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#endif |
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typedef int_fast32_t xtime_nsec_t; //0 <= xtime.nsec < NANOSECONDS_PER_SECOND |
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xtime_sec_t sec; |
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xtime_nsec_t nsec; |
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operator system_time() const |
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{ |
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return boost::posix_time::from_time_t(0)+ |
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boost::posix_time::seconds(static_cast<long>(sec))+ |
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#ifdef BOOST_DATE_TIME_HAS_NANOSECONDS |
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boost::posix_time::nanoseconds(nsec); |
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#else |
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boost::posix_time::microseconds((nsec+500)/1000); |
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#endif |
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} |
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}; |
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inline ::boost::xtime get_xtime(boost::system_time const& abs_time) |
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{ |
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::boost::xtime res; |
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boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0); |
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res.sec=static_cast< ::boost::xtime::xtime_sec_t>(time_since_epoch.total_seconds()); |
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res.nsec=static_cast< ::boost::xtime::xtime_nsec_t>(time_since_epoch.fractional_seconds()*(1000000000/time_since_epoch.ticks_per_second())); |
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return res; |
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} |
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inline int xtime_get(struct ::boost::xtime* xtp, int clock_type) |
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{ |
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if (clock_type == TIME_UTC_) |
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{ |
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*xtp=get_xtime(get_system_time()); |
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return clock_type; |
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} |
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return 0; |
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} |
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inline int xtime_cmp(const ::boost::xtime& xt1, const ::boost::xtime& xt2) |
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{ |
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if (xt1.sec == xt2.sec) |
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return (int)(xt1.nsec - xt2.nsec); |
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else |
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return (xt1.sec > xt2.sec) ? 1 : -1; |
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} |
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} // namespace boost |
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#include <boost/config/abi_suffix.hpp> |
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#endif |
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#endif //BOOST_XTIME_WEK070601_HPP
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