Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying file
Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/interprocess for documentation.
Chris@16: //
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP
Chris@16: #define BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: #
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@101: #  pragma once
Chris@101: #endif
Chris@101: 
Chris@16: #include <boost/interprocess/detail/posix_time_types_wrk.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace interprocess {
Chris@16: 
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: inline timespec ptime_to_timespec (const boost::posix_time::ptime &tm)
Chris@16: {
Chris@16:    const boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
Chris@101:    //Avoid negative absolute times
Chris@101:    boost::posix_time::time_duration duration  = (tm <= epoch) ? boost::posix_time::time_duration(epoch - epoch)
Chris@101:                                                               : boost::posix_time::time_duration(tm - epoch);
Chris@16:    timespec ts;
Chris@16:    ts.tv_sec  = duration.total_seconds();
Chris@16:    ts.tv_nsec = duration.total_nanoseconds() % 1000000000;
Chris@16:    return ts;
Chris@16: }
Chris@16: 
Chris@16: }  //namespace ipcdetail {
Chris@16: 
Chris@16: }  //namespace interprocess {
Chris@16: 
Chris@16: }  //namespace boost {
Chris@16: 
Chris@16: #endif   //ifndef BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP