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reference: add new leap second handling modes

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In addition to the system driver handling add new modes to slew or step
the system clock for leap second, or ignore it completely. This can be
configured with leapsecmode directive.
This commit is contained in:
Miroslav Lichvar
2015-03-24 17:29:44 +01:00
parent c68a92ba80
commit f8db832491
6 changed files with 172 additions and 13 deletions
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12
local.h
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@@ -166,6 +166,10 @@ extern void LCL_ApplyStepOffset(double offset);
extern void LCL_NotifyExternalTimeStep(struct timeval *raw, struct timeval *cooked,
double offset, double dispersion);
/* Routine to invoke notify handlers on leap second when the system clock
doesn't correct itself */
extern void LCL_NotifyLeap(int leap);
/* Perform the combination of modifying the frequency and applying
a slew, in one easy step */
extern void LCL_AccumulateFrequencyAndOffset(double dfreq, double doffset, double corr_rate);
@@ -194,10 +198,10 @@ extern void LCL_Finalise(void);
to a timezone problem. */
extern int LCL_MakeStep(void);
/* Routine to schedule a leap second. Leap second will be inserted
at the end of the day if argument is positive, deleted if negative,
and zero cancels scheduled leap second. */
extern void LCL_SetLeap(int leap);
/* Routine to set the system clock to correct itself for a leap second if
supported. Leap second will be inserted at the end of the day if the
argument is positive, deleted if negative, and zero resets the setting. */
extern void LCL_SetSystemLeap(int leap);
/* Routine to set a frequency correction (in ppm) that should be applied
to local clock to compensate for temperature changes. A positive