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Test leap second timezone on start

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This commit is contained in:
Miroslav Lichvar 2012-02-27 13:27:32 +01:00
parent 0b72b2940a
commit 6199822783
1 changed files with 14 additions and 0 deletions
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14
reference.c
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@ -126,6 +126,10 @@ static double last_ref_update_interval;
/* ================================================== */
static NTP_Leap get_tz_leap(time_t when);
/* ================================================== */
static void
handle_slew(struct timeval *raw,
struct timeval *cooked,
@ -202,6 +206,16 @@ REF_Initialise(void)
enable_local_stratum = CNF_AllowLocalReference(&local_stratum);
leap_tzname = CNF_GetLeapSecTimezone();
if (leap_tzname) {
/* Check that the timezone has good data for Jun 30 2008 and Dec 31 2008 */
if (get_tz_leap(1214784000) == LEAP_Normal &&
get_tz_leap(1230681600) == LEAP_InsertSecond) {
LOG(LOGS_INFO, LOGF_Reference, "Using %s timezone to obtain leap second data", leap_tzname);
} else {
LOG(LOGS_WARN, LOGF_Reference, "Timezone %s failed leap second check, ignoring", leap_tzname);
leap_tzname = NULL;
}
}
CNF_GetMakeStep(&make_step_limit, &make_step_threshold);
CNF_GetMaxChange(&max_offset_delay, &max_offset_ignore, &max_offset);