DefineClock.h File Reference

#include "TimePoint.h"
#include <chrono>

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Macros
#define	Q(x)   #x
	macro to easily define std::chrono compaitble clocks More...
#define	QUOTE(x)   Q(x)
#define	PSS_UNITS_DEFINE_CLOCK(_name_, duration_before_epoch, _symbol_, _is_steady_)

Macro Definition Documentation

#define PSS_UNITS_DEFINE_CLOCK	(		_name_,
			duration_before_epoch,
			_symbol_,
			_is_steady_
	)

Value:

namespace detail {                                          \
    template<typename TimePoint>                            \
    struct _name_##_implementation_t : public std::chrono::system_clock    \
    {                                                       \
        typedef TimePoint time_point;                       \
        typedef decltype(duration_before_epoch) duration;   \
        static const duration diff_from_system_epoch;       \
        static time_point now() noexcept {                  \
               return time_point(std::chrono::system_clock::now());   \
        }                                                   \
    };                                                      \
                                                            \
    template<typename TimePoint>                            \
    const typename _name_##_implementation_t<TimePoint>::duration \
    _name_##_implementation_t<TimePoint>::diff_from_system_epoch(duration_before_epoch); \
}                                                           \
                                                            \
struct _name_ : public detail::_name_##_implementation_t<TimePoint<_name_, decltype(duration_before_epoch)>> \
{                                                           \
    private:                                                \
        typedef _name_##_implementation_t<TimePoint<_name_, decltype(duration_before_epoch)>> BaseT; \
    public:                                                 \
        typedef typename BaseT::duration duration;          \
        typedef typename BaseT::time_point time_point;      \
        typedef duration::rep rep;                          \
        typedef duration::period period;                    \
        static constexpr bool is_steady = _is_steady_;      \
        static constexpr const char* symbol=QUOTE(_symbol_);\
                                                            \
}

Definition at line 39 of file DefineClock.h.

#define Q

(

x

)

#x

macro to easily define std::chrono compaitble clocks

Definition at line 34 of file DefineClock.h.

#define QUOTE

(

x

)

Q(x)

Definition at line 35 of file DefineClock.h.