1 // boost/chrono/thread_clock.hpp -----------------------------------------------------------// 2 3 // Copyright 2009-2011 Vicente J. Botet Escriba 4 5 // Distributed under the Boost Software License, Version 1.0. 6 // See http://www.boost.org/LICENSE_1_0.txt 7 8 // See http://www.boost.org/libs/system for documentation. 9 10 #include <boost/chrono/config.hpp> 11 12 #ifndef BOOST_CHRONO_THREAD_CLOCK_HPP 13 #define BOOST_CHRONO_THREAD_CLOCK_HPP 14 15 #if defined(BOOST_CHRONO_HAS_THREAD_CLOCK) 16 17 #include <boost/chrono/config.hpp> 18 #include <boost/chrono/duration.hpp> 19 #include <boost/chrono/time_point.hpp> 20 #include <boost/chrono/detail/system.hpp> 21 #include <boost/chrono/clock_string.hpp> 22 23 #ifndef BOOST_CHRONO_HEADER_ONLY 24 #include <boost/config/abi_prefix.hpp> // must be the last #include 25 #endif 26 27 namespace boost { namespace chrono { 28 29 class BOOST_CHRONO_DECL thread_clock { 30 public: 31 typedef nanoseconds duration; 32 typedef duration::rep rep; 33 typedef duration::period period; 34 typedef chrono::time_point<thread_clock> time_point; 35 BOOST_STATIC_CONSTEXPR bool is_steady = BOOST_CHRONO_THREAD_CLOCK_IS_STEADY; 36 37 static BOOST_CHRONO_INLINE time_point now( ) BOOST_NOEXCEPT; 38 #if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING 39 static BOOST_CHRONO_INLINE time_point now( system::error_code & ec ); 40 #endif 41 }; 42 43 template <class CharT> 44 struct clock_string<thread_clock, CharT> 45 { nameboost::chrono::clock_string46 static std::basic_string<CharT> name() 47 { 48 static const CharT u[] = 49 { 't', 'h', 'r', 'e', 'a', 'd', '_', 50 'c', 'l','o', 'c', 'k'}; 51 static const std::basic_string<CharT> str(u, u + sizeof(u)/sizeof(u[0])); 52 return str; 53 } sinceboost::chrono::clock_string54 static std::basic_string<CharT> since() 55 { 56 const CharT u[] = 57 { ' ', 's', 'i', 'n', 'c', 'e', ' ', 't', 'h', 'r', 'e', 'a', 'd', ' ', 's', 't', 'a', 'r', 't', '-', 'u', 'p'}; 58 const std::basic_string<CharT> str(u, u + sizeof(u)/sizeof(u[0])); 59 return str; 60 } 61 }; 62 63 } // namespace chrono 64 } // namespace boost 65 66 67 #ifndef BOOST_CHRONO_HEADER_ONLY 68 #include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas 69 #else 70 #include <boost/chrono/detail/inlined/thread_clock.hpp> 71 #endif 72 73 #endif 74 75 #endif // BOOST_CHRONO_THREAD_CLOCK_HPP 76