// be re-queued until "Done", so no more than one worker handle the same item and
		// no event missed.
		go wait.UntilWithContext(ctx, nc.doNodeProcessingPassWorker, time.Second)
	}

	for i := 0; i < podUpdateWorkerSize; i++ {
		go wait.UntilWithContext(ctx, nc.doPodProcessingWorker, time.Second)
	}

		}
		close(received)
		return nil
	}
	// Start only the ReplicaSet watcher and the workqueue, send a watch event,
	// and make sure it hits the sync method.
	go wait.UntilWithContext(tCtx, manager.worker, 10*time.Millisecond)

	testRSSpec.Name = "foo"
	fakeWatch.Add(&testRSSpec)

	select {
	case <-received:
	case <-time.After(wait.ForeverTestTimeout):

	if !cache.WaitForNamedCacheSync("job", ctx.Done(), jm.podStoreSynced, jm.jobStoreSynced) {
		return
	}

	for i := 0; i < workers; i++ {
		go wait.UntilWithContext(ctx, jm.worker, time.Second)
	}

	go wait.UntilWithContext(ctx, jm.orphanWorker, time.Second)

	<-ctx.Done()
}

// getPodJobs returns a list of Jobs that potentially match a Pod.

	if !cache.WaitForNamedCacheSync("daemon sets", ctx.Done(), dsc.podStoreSynced, dsc.nodeStoreSynced, dsc.historyStoreSynced, dsc.dsStoreSynced) {
		return
	}

	for i := 0; i < workers; i++ {
		go wait.UntilWithContext(ctx, dsc.runWorker, time.Second)
	}

	go wait.Until(dsc.failedPodsBackoff.GC, BackoffGCInterval, ctx.Done())

	<-ctx.Done()
}

func (dsc *DaemonSetsController) runWorker(ctx context.Context) {

	defer logger.Info("Shutting down HPA controller")

	if !cache.WaitForNamedCacheSync("HPA", ctx.Done(), a.hpaListerSynced, a.podListerSynced) {
		return
	}

	for i := 0; i < workers; i++ {
		go wait.UntilWithContext(ctx, a.worker, time.Second)
	}

	<-ctx.Done()
}

// obj could be an *v1.HorizontalPodAutoscaler, or a DeletionFinalStateUnknown marker item.
func (a *HorizontalController) updateHPA(old, cur interface{}) {