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Merge pull request #16 from grissiom/fix-timer 

more deterministic on timer
This commit is contained in:
Bernard Xiong 2013-01-17 00:28:24 -08:00
parent 250fd1082b 0001344105
commit 14dbee0082
1 changed files with 9 additions and 3 deletions
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12
src/timer.c
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@ -273,12 +273,18 @@ rt_err_t rt_timer_start(rt_timer_t timer)
for (n = timer_list->next; n != timer_list; n = n->next) for (n = timer_list->next; n != timer_list; n = n->next)
{ {
t = rt_list_entry(n, struct rt_timer, list); t = rt_list_entry(n, struct rt_timer, list);
/* /*
* It supposes that the new tick shall less than the half duration of * It supposes that the new tick shall less than the half duration of
* tick max. * tick max. And if we have two timers that timeout at the same time,
* it's prefered that the timer inserted early get called early.
*/ */
if ((t->timeout_tick - timer->timeout_tick) < RT_TICK_MAX / 2) if ((t->timeout_tick - timer->timeout_tick) == 0)
{
rt_list_insert_after(n, &(timer->list));
break;
}
else if ((t->timeout_tick - timer->timeout_tick) < RT_TICK_MAX / 2)
{ {
rt_list_insert_before(n, &(timer->list)); rt_list_insert_before(n, &(timer->list));
break; break;