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