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ntdll: Stabilize CreateTimerQueueTimer callbacks over time.

This commit is contained in:
Jörg Höhle 2012-03-04 07:30:18 +01:00 committed by Alexandre Julliard
parent ee880b28c5
commit 2f0b93ca13
1 changed files with 12 additions and 4 deletions
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16
dlls/ntdll/threadpool.c
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@ -651,13 +651,21 @@ static void queue_timer_expire(struct timer_queue *q)
RtlEnterCriticalSection(&q->cs);
if (list_head(&q->timers))
{
ULONGLONG now, next;
t = LIST_ENTRY(list_head(&q->timers), struct queue_timer, entry);
if (!t->destroy && t->expire <= queue_current_time())
if (!t->destroy && t->expire <= ((now = queue_current_time())))
{
++t->runcount;
queue_move_timer(
t, t->period ? queue_current_time() + t->period : EXPIRE_NEVER,
FALSE);
if (t->period)
{
next = t->expire + t->period;
/* avoid trigger cascade if overloaded / hibernated */
if (next < now)
next = now + t->period;
}
else
next = EXPIRE_NEVER;
queue_move_timer(t, next, FALSE);
}
else
t = NULL;