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Add support for multiple low-priority worker threads

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This commit is contained in:
Gregory Nutt
2014-10-10 16:24:50 -06:00
parent 438e3e1a90
commit 4a4b3ac537
14 changed files with 204 additions and 77 deletions
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sched/wqueue/kwork_queue.c
+8 -7
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@@ -97,12 +97,13 @@
* is invoked. Zero means to perform the work immediately.
*
* Returned Value:
* Zero on success, a negated errno on failure
* None
*
****************************************************************************/
static int work_qqueue(FAR struct wqueue_s *wqueue, FAR struct work_s *work,
worker_t worker, FAR void *arg, uint32_t delay)
static void work_qqueue(FAR struct kwork_wqueue_s *wqueue,
FAR struct work_s *work, worker_t worker,
FAR void *arg, uint32_t delay)
{
irqstate_t flags;
@@ -123,10 +124,8 @@ static int work_qqueue(FAR struct wqueue_s *wqueue, FAR struct work_s *work,
work->qtime = clock_systimer(); /* Time work queued */
dq_addlast((FAR dq_entry_t *)work, &wqueue->q);
kill(wqueue->pid[0], SIGWORK); /* Wake up the worker thread */
irqrestore(flags);
return OK;
}
/****************************************************************************
@@ -170,7 +169,8 @@ int work_queue(int qid, FAR struct work_s *work, worker_t worker,
{
/* Cancel high priority work */
return work_qqueue(&g_hpwork, work, worker, arg, delay);
work_qqueue((FAR struct kwork_wqueue_s *)&g_hpwork, work, worker, arg, delay);
return work_signal(HPWORK);
}
else
#endif
@@ -179,7 +179,8 @@ int work_queue(int qid, FAR struct work_s *work, worker_t worker,
{
/* Cancel low priority work */
return work_qqueue(&g_lpwork, work, worker, arg, delay);
work_qqueue((FAR struct kwork_wqueue_s *)&g_lpwork, work, worker, arg, delay);
return work_signal(LPWORK);
}
else
#endif