/src/rt/sync/timer.h

http://github.com/jruderman/rust · C Header · 27 lines · 21 code · 3 blank · 3 comment · 0 complexity · 6d224ee38bc1509c68e621d8142d4cf8 MD5 · raw file 

    

  1. /*
    2. 

  2.  *  Utility class to measure time in a platform independent way.
    3. 

  3.  */
    4. 

  4. 

  5. #ifndef TIMER_H
    6. 

  6. #define TIMER_H
    7. 

  7. 

  8. class timer {
    9. 

  9. private:
    10. 

  10.     uint64_t _start_us;
    11. 

  11.     uint64_t _timeout_us;
    12. 

  12.     uint64_t time_us();
    13. 

  13. #if __WIN32__
    14. 

  14.     uint64_t _ticks_per_s;
    15. 

  15. #endif
    16. 

  16. public:
    17. 

  17.     timer();
    18. 

  18.     void reset_us(uint64_t timeout);
    19. 

  19.     uint64_t elapsed_us();
    20. 

  20.     double elapsed_ms();
    21. 

  21.     int64_t remaining_us();
    22. 

  22.     bool has_timed_out();
    23. 

  23.     uint64_t time_ns();
    24. 

  24.     virtual ~timer();
    25. 

  25. };
    26. 

  26. 

  27. #endif /* TIMER_H */
    28.