1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3 * Data Differential YATL (i.e. libtest) library
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
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44 # include <mach/clock.h>
45 # include <mach/mach.h>
47 # include <sys/time.h>
76 void offset(int64_t minutes_arg, int64_t seconds_arg, int64_t nanoseconds)
80 _end.tv_sec+= (minutes_arg * 60) +seconds_arg;
81 _end.tv_nsec+= nanoseconds;
86 struct timespec result;
88 return int64_t(result.tv_sec / 60);
91 uint64_t elapsed_milliseconds() const
96 return temp.tv_sec*1000 +temp.tv_nsec/1000000;
99 void difference(struct timespec& arg) const
101 if ((_end.tv_nsec -_begin.tv_nsec) < 0)
103 arg.tv_sec= _end.tv_sec -_begin.tv_sec -1;
104 arg.tv_nsec= 1000000000 +_end.tv_nsec -_begin.tv_nsec;
109 arg.tv_sec= _end.tv_sec -_begin.tv_sec;
110 arg.tv_nsec= _end.tv_nsec -_begin.tv_nsec;
115 void _time(struct timespec& ts)
117 #ifdef __MACH__ // OSX lacks clock_gettime()
118 clock_serv_t _clock_serv;
119 mach_timespec_t _mach_timespec;
120 host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &_clock_serv);
121 clock_get_time(_clock_serv, &_mach_timespec);
122 mach_port_deallocate(mach_task_self(), _clock_serv);
123 ts.tv_sec= _mach_timespec.tv_sec;
124 ts.tv_nsec= _mach_timespec.tv_nsec;
126 clock_gettime(CLOCK_REALTIME, &ts);
131 struct timespec _begin;
132 struct timespec _end;
135 std::ostream& operator<<(std::ostream& output, const libtest::Timer& arg);
137 } // namespace libtest