ceph/src/boost/boost/chrono/thread_clock.hpp

   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 {
  46   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   }
  54   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