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journald: fix accuracy of watchdog timer event

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Adding 3/4th of the watchdog frequency as accuracy on top of 1/2 of the
watchdog frequency means we might end up at 5/4th of the frequency which
means we might miss the message from time to time.

Maybe fixes #1804
This commit is contained in:
Lennart Poettering
2015-11-12 12:33:10 +01:00
parent 33d52ab92f
commit 4de2402b60
1 changed files with 1 additions and 1 deletions
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src/journal/journald-server.c
+1 -1
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@@ -1670,7 +1670,7 @@ static int server_connect_notify(Server *s) {
if (sd_watchdog_enabled(false, &s->watchdog_usec) > 0) {
s->send_watchdog = true;
r = sd_event_add_time(s->event, &s->watchdog_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + s->watchdog_usec/2, s->watchdog_usec*3/4, dispatch_watchdog, s);
r = sd_event_add_time(s->event, &s->watchdog_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + s->watchdog_usec/2, s->watchdog_usec/4, dispatch_watchdog, s);
if (r < 0)
return log_error_errno(r, "Failed to add watchdog time event: %m");
}