-namespace folly {
-
-#ifdef CLOCK_MONOTONIC_COARSE
-struct monotonic_coarse_clock {
- typedef std::chrono::milliseconds::rep rep;
- typedef std::chrono::milliseconds::period period;
- typedef std::chrono::milliseconds duration;
- typedef std::chrono::time_point<monotonic_coarse_clock> time_point;
- constexpr static bool is_steady = true;