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Merge remote-tracking branch 'dgoulet/bug23558_032_01'

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This commit is contained in:
Nick Mathewson 2017-09-18 11:02:37 -04:00
commit a23a168f24
2 changed files with 17 additions and 4 deletions
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6
src/or/scheduler.c
View File

@ -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. */

15
src/or/scheduler_kist.c
View File

@ -507,16 +507,25 @@ kist_scheduler_schedule(void)
{
struct monotime_t now;
struct timeval next_run;
int32_t diff;
int64_t diff;
if (!have_work()) {
return;
}
monotime_get(&now);
diff = (int32_t) monotime_diff_msec(&scheduler_last_run, &now);
/* If time is really monotonic, we can never have now being smaller than the
* last scheduler run. The scheduler_last_run at first is set to 0. */
diff = monotime_diff_msec(&scheduler_last_run, &now);
IF_BUG_ONCE(diff < 0) {
diff = 0;
}
if (diff < sched_run_interval) {
next_run.tv_sec = 0;
/* 1000 for ms -> us */
/* Takes 1000 ms -> us. This will always be valid because diff can NOT be
* negative and can NOT be smaller than sched_run_interval so values can
* only go from 1000 usec (diff set to interval - 1) to 100000 usec (diff
* set to 0) for the maximum allowed run interval (100ms). */
next_run.tv_usec = (sched_run_interval - diff) * 1000;
/* Readding an event reschedules it. It does not duplicate it. */
scheduler_ev_add(&next_run);