annotate DEPENDENCIES/generic/include/boost/thread/thread_time.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 #ifndef BOOST_THREAD_TIME_HPP
Chris@16 2 #define BOOST_THREAD_TIME_HPP
Chris@16 3 // (C) Copyright 2007 Anthony Williams
Chris@16 4 //
Chris@16 5 // Distributed under the Boost Software License, Version 1.0. (See
Chris@16 6 // accompanying file LICENSE_1_0.txt or copy at
Chris@16 7 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 8
Chris@16 9 #include <boost/date_time/time_clock.hpp>
Chris@16 10 #include <boost/date_time/microsec_time_clock.hpp>
Chris@16 11 #include <boost/date_time/posix_time/posix_time_types.hpp>
Chris@16 12
Chris@16 13 #include <boost/config/abi_prefix.hpp>
Chris@16 14
Chris@16 15 namespace boost
Chris@16 16 {
Chris@16 17 typedef boost::posix_time::ptime system_time;
Chris@16 18
Chris@16 19 inline system_time get_system_time()
Chris@16 20 {
Chris@16 21 #if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
Chris@16 22 return boost::date_time::microsec_clock<system_time>::universal_time();
Chris@16 23 #else // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
Chris@16 24 return boost::date_time::second_clock<system_time>::universal_time();
Chris@16 25 #endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
Chris@16 26 }
Chris@16 27
Chris@16 28 namespace detail
Chris@16 29 {
Chris@16 30 inline system_time get_system_time_sentinel()
Chris@16 31 {
Chris@16 32 return system_time(boost::posix_time::pos_infin);
Chris@16 33 }
Chris@16 34
Chris@16 35 inline unsigned long get_milliseconds_until(system_time const& target_time)
Chris@16 36 {
Chris@16 37 if(target_time.is_pos_infinity())
Chris@16 38 {
Chris@16 39 return ~(unsigned long)0;
Chris@16 40 }
Chris@16 41 system_time const now=get_system_time();
Chris@16 42 if(target_time<=now)
Chris@16 43 {
Chris@16 44 return 0;
Chris@16 45 }
Chris@16 46 return static_cast<unsigned long>((target_time-now).total_milliseconds()+1);
Chris@16 47 }
Chris@16 48
Chris@16 49 }
Chris@16 50
Chris@16 51 }
Chris@16 52
Chris@16 53 #include <boost/config/abi_suffix.hpp>
Chris@16 54
Chris@16 55 #endif