1 2 // Copyright Oliver Kowalke 2013. 3 // Distributed under the Boost Software License, Version 1.0. 4 // (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 #ifndef BOOST_FIBERS_DETAIL_CONVERT_H 8 #define BOOST_FIBERS_DETAIL_CONVERT_H 9 10 #include <chrono> 11 #include <memory> 12 13 #include <boost/config.hpp> 14 15 #include <boost/fiber/detail/config.hpp> 16 17 #ifdef BOOST_HAS_ABI_HEADERS 18 # include BOOST_ABI_PREFIX 19 #endif 20 21 namespace boost { 22 namespace fibers { 23 namespace detail { 24 25 inline convert(std::chrono::steady_clock::time_point const & timeout_time)26std::chrono::steady_clock::time_point convert( 27 std::chrono::steady_clock::time_point const& timeout_time) noexcept { 28 return timeout_time; 29 } 30 31 template< typename Clock, typename Duration > convert(std::chrono::time_point<Clock,Duration> const & timeout_time)32std::chrono::steady_clock::time_point convert( 33 std::chrono::time_point< Clock, Duration > const& timeout_time) { 34 return std::chrono::steady_clock::now() + ( timeout_time - Clock::now() ); 35 } 36 37 }}} 38 39 #ifdef BOOST_HAS_ABI_HEADERS 40 # include BOOST_ABI_SUFFIX 41 #endif 42 43 #endif // BOOST_FIBERS_DETAIL_CONVERT_H 44