boost/thread/pthread/timespec.hpp

   1 #ifndef BOOST_THREAD_PTHREAD_TIMESPEC_HPP
   2 #define BOOST_THREAD_PTHREAD_TIMESPEC_HPP
   3 //  (C) Copyright 2007-8 Anthony Williams
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/thread/thread_time.hpp>
  10 #include <boost/date_time/posix_time/conversion.hpp>
  11 #include <pthread.h>
  12 #ifndef _WIN32
  13 #include <unistd.h>
  14 #endif
  15
  16 #include <boost/config/abi_prefix.hpp>
  17
  18 namespace boost
  19 {
  20     namespace detail
  21     {
  22         inline struct timespec get_timespec(boost::system_time const& abs_time)
  23         {
  24             struct timespec timeout={0,0};
  25             boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
  26
  27             timeout.tv_sec=time_since_epoch.total_seconds();
  28             timeout.tv_nsec=(long)(time_since_epoch.fractional_seconds()*(1000000000l/time_since_epoch.ticks_per_second()));
  29             return timeout;
  30         }
  31     }
  32 }
  33
  34 #include <boost/config/abi_suffix.hpp>
  35
  36 #endif