Function GetClockTimeMicros

be/src/gutil/walltime.h:136–140

#else

inline MicrosecondsInt64 GetClockTimeMicros(clockid_t clock) {
  timespec ts;
  clock_gettime(clock, &ts);
  return ts.tv_sec * MICROS_PER_SEC + ts.tv_nsec / NANOS_PER_MICRO;
}

#endif // defined(__APPLE__)