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Check the exit flag at the start of the taskqueue loop rather than the end. It

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is possible to tear down the taskqueue before the thread has run and the
taskqueue loop would sleep forever.

Reviewed by:	sam
MFC after:	1 week
This commit is contained in:
Andrew Thompson 2009-02-13 01:16:51 +00:00
parent 86c2bc49cc
commit 24ef070126
1 changed files with 2 additions and 2 deletions
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4
sys/kern/subr_taskqueue.c
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@ -399,10 +399,10 @@ taskqueue_thread_loop(void *arg)
tqp = arg;
tq = *tqp;
TQ_LOCK(tq);
do {
while ((tq->tq_flags & TQ_FLAGS_ACTIVE) != 0) {
taskqueue_run(tq);
TQ_SLEEP(tq, tq, &tq->tq_mutex, 0, "-", 0);
} while ((tq->tq_flags & TQ_FLAGS_ACTIVE) != 0);
};
/* rendezvous with thread that asked us to terminate */
tq->tq_tcount--;