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sd-event: don't accidentally turn of watchdog timer event if we determine 0

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This commit is contained in:
Lennart Poettering 2014-03-25 00:01:51 +01:00
parent 52444dc478
commit 7514578081
Notes: Lennart Poettering 2014-03-25 05:03:27 +01:00 
Backport: bugfix
1 changed files with 5 additions and 0 deletions
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src/libsystemd/sd-event/sd-event.c
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@ -2087,6 +2087,11 @@ static int arm_watchdog(sd_event *e) {
timespec_store(&its.it_value, t);
/* Make sure we never set the watchdog to 0, which tells the
* kernel to disable it. */
if (its.it_value.tv_sec == 0 && its.it_value.tv_nsec == 0)
its.it_value.tv_nsec = 1;
r = timerfd_settime(e->watchdog_fd, TFD_TIMER_ABSTIME, &its, NULL);
if (r < 0)
return -errno;