Gets the internal rate and reference time of clock. See Clock.setCalibration for more information.
internal, external, rate_num, and rate_denom can be left NULL if the caller is not interested in the values.
MT safe.
a location to store the internal time
a location to store the external time
a location to store the rate numerator
a location to store the rate denominator
Gets the internal rate and reference time of clock. See Clock.setCalibration for more information.
internal, external, rate_num, and rate_denom can be left NULL if the caller is not interested in the values.
MT safe.