main_timer_listener.h

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#pragma once
 
#include <atomic>
#include <chrono>
#include <mutex>
 
class MainTimerListener {
 public:
  MainTimerListener();
 
  void wait();
 
  uint64_t getTickCount() const;
 
  uint64_t getCycleCount() const;
 
  int64_t getElapsedTime() const;
 
 private:
  std::mutex mx_;
 
  std::atomic<uint64_t> tickCount_;
 
  std::atomic<uint64_t> refTickCount_;
 
  std::atomic<uint64_t> cycleCount_;
 
  int64_t start_;
};