#ifndef BEAST_CHRONO_BASIC_SECONDS_CLOCK_H_INCLUDED #define BEAST_CHRONO_BASIC_SECONDS_CLOCK_H_INCLUDED #include namespace beast { /** A clock whose minimum resolution is one second. The purpose of this class is to optimize the performance of the now() member function call. It uses a dedicated thread that wakes up at least once per second to sample the requested trivial clock. @tparam Clock A type meeting these requirements: http://en.cppreference.com/w/cpp/concept/Clock */ class basic_seconds_clock { public: using Clock = std::chrono::steady_clock; explicit basic_seconds_clock() = default; using rep = typename Clock::rep; using period = typename Clock::period; using duration = typename Clock::duration; using time_point = typename Clock::time_point; static bool const is_steady = Clock::is_steady; static time_point now(); }; } // namespace beast #endif