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sched: BUG() on event_add() and log_warn next_run

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It is highly unlikely to happen but if so, we need to know and why. The
warning with the next_run values could help.

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2017-09-18 10:58:38 -04:00
parent 77cc97cf0a
commit c7af923567
1 changed files with 5 additions and 1 deletions
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6
src/or/scheduler.c
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@ -506,7 +506,11 @@ scheduler_ev_add(const struct timeval *next_run)
{
tor_assert(run_sched_ev);
tor_assert(next_run);
event_add(run_sched_ev, next_run);
if (BUG(event_add(run_sched_ev, next_run) < 0)) {
log_warn(LD_SCHED, "Adding to libevent failed. Next run time was set to: "
"%ld.%06ld", next_run->tv_sec, next_run->tv_usec);
return;
}
}
/* Make the scheduler event active with the given flags. */