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MFC r256612: MFprojects/camlock r254685:

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Remove TQ_FLAGS_PENDING flag, softly duplicating queue emptiness status.
This commit is contained in:
mav 2016-03-20 14:11:37 +00:00
parent f123f2ce18
commit dd8690af3e
1 changed files with 1 additions and 6 deletions
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7
sys/kern/subr_taskqueue.c
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@ -69,7 +69,6 @@ struct taskqueue {
#define TQ_FLAGS_ACTIVE (1 << 0)
#define TQ_FLAGS_BLOCKED (1 << 1)
#define TQ_FLAGS_PENDING (1 << 2)
#define DT_CALLOUT_ARMED (1 << 0)
@ -222,8 +221,6 @@ taskqueue_enqueue_locked(struct taskqueue *queue, struct task *task)
task->ta_pending = 1;
if ((queue->tq_flags & TQ_FLAGS_BLOCKED) == 0)
queue->tq_enqueue(queue->tq_context);
else
queue->tq_flags |= TQ_FLAGS_PENDING;
return (0);
}
@ -309,10 +306,8 @@ taskqueue_unblock(struct taskqueue *queue)
TQ_LOCK(queue);
queue->tq_flags &= ~TQ_FLAGS_BLOCKED;
if (queue->tq_flags & TQ_FLAGS_PENDING) {
queue->tq_flags &= ~TQ_FLAGS_PENDING;
if (!STAILQ_EMPTY(&queue->tq_queue))
queue->tq_enqueue(queue->tq_context);
}
TQ_UNLOCK(queue);
}