Imported existing code

libraries/include/boost/interprocess/sync/posix/ptime_to_timespec.hpp

@@ -0,0 +1,38 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2008. 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)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP
+#define BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP
+
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+
+namespace boost {
+
+namespace interprocess {
+
+namespace detail {
+
+inline timespec ptime_to_timespec (const boost::posix_time::ptime &tm)
+{
+   const boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
+   boost::posix_time::time_duration duration (tm - epoch);
+   timespec ts;
+   ts.tv_sec  = duration.total_seconds();
+   ts.tv_nsec = duration.total_nanoseconds() % 1000000000;
+   return ts;
+}
+
+}  //namespace detail {
+
+}  //namespace interprocess {
+
+}  //namespace boost {
+
+#endif   //ifndef BOOST_INTERPROCESS_DETAIL_PTIME_TO_TIMESPEC_HPP