Method wait_until

src/common/condition_variable_debug.h:38–52

  }
  template<class Clock, class Duration>
  std::cv_status wait_until(
    std::unique_lock<mutex_debug>& lock,
    const std::chrono::time_point<Clock, Duration>& when) {
    if constexpr (Clock::is_steady) {
      // convert from mono_clock to real_clock
      auto real_when = ceph::real_clock::now();
      const auto delta = when - Clock::now();
      real_when += std::chrono::ceil<typename Clock::duration>(delta);
      timespec ts = ceph::real_clock::to_timespec(real_when);
      return _wait_until(lock.mutex(), &ts);
    } else {
      timespec ts = Clock::to_timespec(when);
      return _wait_until(lock.mutex(), &ts);
    }
  }
  template<class Rep, class Period>
  std::cv_status wait_for(
    std::unique_lock<mutex_debug>& lock,