Function MaxFreqPPB

clock/clock.go:101–113

MaxFreqPPB returns maximum frequency adjustment supported by the clock

(clockid int32)

// MaxFreqPPB returns maximum frequency adjustment supported by the clock
func MaxFreqPPB(clockid int32) (freqPPB float64, state int, err error) {
	tx := &unix.Timex{}
	state, err = unix.ClockAdjtime(clockid, tx)
	if err != nil {
		return 0.0, state, err
	}
	// man(2) clock_adjtime
	freqPPB = float64(tx.Tolerance) / PPBToTimexPPM
	if freqPPB == 0 {
		freqPPB = 500000
	}
	return freqPPB, state, nil
}

// SetSync sets clock status to TIME_OK
func SetSync(clockid int32) error {