Function work_queue_next_wq

sched/wqueue/kwork_queue.c:70–119

 ****************************************************************************/

int work_queue_next_wq(FAR struct kwork_wqueue_s *wqueue,
                       FAR struct work_s *work, worker_t worker,
                       FAR void *arg, clock_t delay)
{
  irqstate_t flags;

  if (wqueue == NULL || work == NULL || worker == NULL ||
      delay > WDOG_MAX_DELAY)
    {
      return -EINVAL;
    }

  /* Initialize the work structure. */

  work->worker = worker; /* Work callback. non-NULL means queued */
  work->arg    = arg;    /* Callback argument */
  work->qtime += delay;  /* Expected time based on last expiration time */

  flags = spin_lock_irqsave(&wqueue->lock);

  if (delay)
    {
      /* Insert to the pending list of the wqueue. */

      if (work_insert_pending(wqueue, work))
        {
          /* Start the timer if the work is the earliest expired work. */

          wd_start_abstick(&wqueue->timer, work->qtime,
                           work_timer_expired, (wdparm_t)wqueue);
        }
    }
  else
    {
      /* Insert to the expired list of the wqueue. */

      list_add_tail(&wqueue->expired, &work->node);
    }

  spin_unlock_irqrestore(&wqueue->lock, flags);

  if (!delay)
    {
      /* Immediately wake up the worker thread. */

      nxsem_post(&wqueue->sem);
    }

  return 0;
}

int work_queue_next(int qid, FAR struct work_s *work, worker_t worker,
                    FAR void *arg, clock_t delay)