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Leap second support

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Leap second status is accepted and forwarded to clients if majority
of selectable sources agree. The actual insertion/deletion is supported
only on Linux now.
This commit is contained in:
Miroslav Lichvar
2008-12-31 09:59:20 +01:00
parent 0148ecaea0
commit 8f9c237010
13 changed files with 141 additions and 12 deletions
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17
sources.c
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@@ -687,6 +687,23 @@ SRC_SelectSource(unsigned long match_addr)
total_root_dispersion = (src_accrued_dispersion +
sources[selected_source_index]->sel_info.root_dispersion);
/* Accept leap second status if more than half of selectable sources agree */
for (i=j1=j2=0; i<n_sel_sources; i++) {
index = sel_sources[i];
if (sources[index]->leap_status == LEAP_InsertSecond) {
j1++;
} else if (sources[index]->leap_status == LEAP_DeleteSecond) {
j2++;
}
}
if (j1 > n_sel_sources / 2) {
leap_status = LEAP_InsertSecond;
} else if (j2 > n_sel_sources / 2) {
leap_status = LEAP_DeleteSecond;
}
if ((match_addr == 0) ||
(match_addr == sources[selected_source_index]->ref_id)) {