// When Extenders reject some Nodes and the pod ends up being unschedulable,
		// we put framework.ExtenderName to pInfo.UnschedulablePlugins.
		// This Pod will be requeued from unschedulable pod pool to activeQ/backoffQ
		// by any kind of cluster events.
		// https://github.com/kubernetes/kubernetes/issues/122019
		if diagnosis.UnschedulablePlugins == nil {

		watcher.stopLocked()
	}
	c.watchersToStop = c.watchersToStop[:0]

	for _, watcher := range c.expiredBookmarkWatchers {
		if watcher.stopped {
			continue
		}
		// requeue the watcher for the next bookmark if needed.
		c.bookmarkWatchers.addWatcherThreadUnsafe(watcher)
	}
	c.expiredBookmarkWatchers = c.expiredBookmarkWatchers[:0]
}

func (c *Cacher) terminateAllWatchers() {

	if err != nil {
		utilruntime.HandleError(fmt.Errorf("couldn't get key for object %+v: %v", obj, err))
		return
	}
	jm.orphanQueue.Add(key)
}

// worker runs a worker thread that just dequeues items, processes them, and marks them done.
// It enforces that the syncHandler is never invoked concurrently with the same key.
func (jm *Controller) worker(ctx context.Context) {
	for jm.processNextWorkItem(ctx) {
	}

   ([#122022](https://github.com/kubernetes/kubernetes/pull/122022), [@sanposhiho](https://github.com/sanposhiho))

  let summary = "Dequeues a tuple of one or more tensors from the given queue.";

  let description = [{
This operation has k outputs, where k is the number of components
in the tuples stored in the given queue, and output i is the ith
component of the dequeued tuple.

N.B. If the queue is empty, this operation will block until an element
has been dequeued (or 'timeout_ms' elapses, if specified).

- Fixed the calculation of the requeue time in the cronjob controller, resulting in proper handling of failed/stuck jobs. ([#121327](https://github.com/kubernetes/kubernetes/pull/121327), [@soltysh](https://github.com/soltysh))

	if t-h+n >= uint32(len(pp.runq)) {
		throw("runqsteal: runq overflow")
	}
	atomic.StoreRel(&pp.runqtail, t+n) // store-release, makes the item available for consumption
	return gp
}

// A gQueue is a dequeue of Gs linked through g.schedlink. A G can only
// be on one gQueue or gList at a time.
type gQueue struct {
	head guintptr
	tail guintptr
}

// empty reports whether q is empty.

  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.
  Now, the scheduling queue notices extenders' failures and requeue Pods rejected by Extenders appropriately. ([#122045](https://github.com/kubernetes/kubernetes/pull/122045), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

### Other (Cleanup or Flake)

  and it could end up Pods rejected by Extenders stuck in unschedulable pod pool in 5min in the worst-case scenario.
  Now, the scheduling queue notices extenders' failures and requeue Pods rejected by Extenders appropriately. ([#122044](https://github.com/kubernetes/kubernetes/pull/122044), [@sanposhiho](https://github.com/sanposhiho)) [SIG Scheduling]

### Other (Cleanup or Flake)

	// called with wr.StreamID()!=0 unless that stream is currently open. The one
	// exception is RST_STREAM frames, which may be sent on idle or closed streams.
	Push(wr http2FrameWriteRequest)

	// Pop dequeues the next frame to write. Returns false if no frames can
	// be written. Frames with a given wr.StreamID() are Pop'd in the same
	// order they are Push'd, except RST_STREAM frames. No frames should be