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