Chris@16: // Copyright (C) 2001-2003
Chris@16: // William E. Kempf
Chris@16: // Copyright (C) 2007-8 Anthony Williams
Chris@16: //
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_XTIME_WEK070601_HPP
Chris@16: #define BOOST_XTIME_WEK070601_HPP
Chris@16: 
Chris@16: #include <boost/thread/detail/config.hpp>
Chris@16: #if defined BOOST_THREAD_USES_DATETIME
Chris@16: 
Chris@16: #include <boost/cstdint.hpp>
Chris@16: #include <boost/thread/thread_time.hpp>
Chris@16: #include <boost/date_time/posix_time/conversion.hpp>
Chris@16: 
Chris@16: #include <boost/config/abi_prefix.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: enum xtime_clock_types
Chris@16: {
Chris@16:     TIME_UTC_=1
Chris@16: //    TIME_TAI,
Chris@16: //    TIME_MONOTONIC,
Chris@16: //    TIME_PROCESS,
Chris@16: //    TIME_THREAD,
Chris@16: //    TIME_LOCAL,
Chris@16: //    TIME_SYNC,
Chris@16: //    TIME_RESOLUTION
Chris@16: };
Chris@16: 
Chris@16: struct xtime
Chris@16: {
Chris@16: #if defined(BOOST_NO_INT64_T)
Chris@16:     typedef int_fast32_t xtime_sec_t; //INT_FAST32_MIN <= sec <= INT_FAST32_MAX
Chris@16: #else
Chris@16:     typedef int_fast64_t xtime_sec_t; //INT_FAST64_MIN <= sec <= INT_FAST64_MAX
Chris@16: #endif
Chris@16: 
Chris@16:     typedef int_fast32_t xtime_nsec_t; //0 <= xtime.nsec < NANOSECONDS_PER_SECOND
Chris@16: 
Chris@16:     xtime_sec_t sec;
Chris@16:     xtime_nsec_t nsec;
Chris@16: 
Chris@16:     operator system_time() const
Chris@16:     {
Chris@16:         return boost::posix_time::from_time_t(0)+
Chris@16:             boost::posix_time::seconds(static_cast<long>(sec))+
Chris@16: #ifdef BOOST_DATE_TIME_HAS_NANOSECONDS
Chris@16:             boost::posix_time::nanoseconds(nsec);
Chris@16: #else
Chris@16:         boost::posix_time::microseconds((nsec+500)/1000);
Chris@16: #endif
Chris@16:     }
Chris@16: 
Chris@16: };
Chris@16: 
Chris@16: inline xtime get_xtime(boost::system_time const& abs_time)
Chris@16: {
Chris@16:     xtime res;
Chris@16:     boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
Chris@16: 
Chris@16:     res.sec=static_cast<xtime::xtime_sec_t>(time_since_epoch.total_seconds());
Chris@16:     res.nsec=static_cast<xtime::xtime_nsec_t>(time_since_epoch.fractional_seconds()*(1000000000/time_since_epoch.ticks_per_second()));
Chris@16:     return res;
Chris@16: }
Chris@16: 
Chris@16: inline int xtime_get(struct xtime* xtp, int clock_type)
Chris@16: {
Chris@16:     if (clock_type == TIME_UTC_)
Chris@16:     {
Chris@16:         *xtp=get_xtime(get_system_time());
Chris@16:         return clock_type;
Chris@16:     }
Chris@16:     return 0;
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: inline int xtime_cmp(const xtime& xt1, const xtime& xt2)
Chris@16: {
Chris@16:     if (xt1.sec == xt2.sec)
Chris@16:         return (int)(xt1.nsec - xt2.nsec);
Chris@16:     else
Chris@16:         return (xt1.sec > xt2.sec) ? 1 : -1;
Chris@16: }
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/config/abi_suffix.hpp>
Chris@16: #endif
Chris@16: #endif //BOOST_XTIME_WEK070601_HPP