#include <ctime>
#include <iostream>
-#ifdef __MACH__
-# include <mach/clock.h>
-# include <mach/mach.h>
-#else
-# include <sys/time.h>
-#endif
-
namespace libtest {
class Timer {
public:
- Timer()
- {
- _begin.tv_sec= 0;
- _begin.tv_nsec= 0;
- _end.tv_sec= 0;
- _end.tv_nsec= 0;
- }
-
- void reset()
- {
- _end.tv_sec= 0;
- _end.tv_nsec= 0;
- _time(_begin);
- }
-
- void sample()
- {
- _time(_end);
- }
-
- void offset(int64_t minutes_arg, int64_t seconds_arg, int64_t nanoseconds)
- {
- reset();
- _end= _begin;
- _end.tv_sec+= (minutes_arg * 60) +seconds_arg;
- _end.tv_nsec+= nanoseconds;
- }
-
- int64_t minutes()
- {
- struct timespec result;
- difference(result);
- return int64_t(result.tv_sec / 60);
- }
-
- uint64_t elapsed_milliseconds() const
- {
- struct timespec temp;
- difference(temp);
-
- return temp.tv_sec*1000 +temp.tv_nsec/1000000;
- }
-
- void difference(struct timespec& arg) const
- {
- if ((_end.tv_nsec -_begin.tv_nsec) < 0)
- {
- arg.tv_sec= _end.tv_sec -_begin.tv_sec -1;
- arg.tv_nsec= 1000000000 +_end.tv_nsec -_begin.tv_nsec;
-
- }
- else
- {
- arg.tv_sec= _end.tv_sec -_begin.tv_sec;
- arg.tv_nsec= _end.tv_nsec -_begin.tv_nsec;
- }
- }
+ Timer();
+
+ void reset();
+
+ void sample();
+
+ void offset(int64_t minutes_arg, int64_t seconds_arg, int64_t nanoseconds);
+
+ int64_t minutes();
+
+ uint64_t elapsed_milliseconds() const;
+
+ void difference(struct timespec& arg) const;
private:
- void _time(struct timespec& ts)
- {
-#if defined(HAVE_CLOCK_GETTIME) && HAVE_CLOCK_GETTIME
- clock_gettime(CLOCK_REALTIME, &ts);
-#elif defined(__MACH__) && __MACH__ // OSX lacks clock_gettime()
- clock_serv_t _clock_serv;
- mach_timespec_t _mach_timespec;
- host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &_clock_serv);
- clock_get_time(_clock_serv, &_mach_timespec);
- mach_port_deallocate(mach_task_self(), _clock_serv);
- ts.tv_sec= _mach_timespec.tv_sec;
- ts.tv_nsec= _mach_timespec.tv_nsec;
-#else
-#endif
- }
+ void _time(struct timespec& ts);
private:
struct timespec _begin;