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sched: Don't shutdown on a "timer in the past" if already shutdown

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A shutdown will not help if the mcu is already in a shutdown state.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-10-11 22:01:45 -04:00
parent 3b9b4e4d6f
commit 744c6d114e
4 changed files with 5 additions and 6 deletions
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2
src/generic/timer_irq.c
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@@ -54,7 +54,7 @@ timer_dispatch_many(void)
if (unlikely(timer_is_before(tru, now))) {
// Check if there are too many repeat timers
if (diff < (int32_t)(-timer_from_us(1000)))
shutdown("Rescheduled timer in the past");
try_shutdown("Rescheduled timer in the past");
if (sched_tasks_busy()) {
timer_repeat_until = now + TIMER_REPEAT_TICKS;
return now + TIMER_DEFER_REPEAT_TICKS;