func (p *PriorityQueue) Close() {
	p.lock.Lock()
	defer p.lock.Unlock()
	close(p.stop)
	p.closed = true
	p.cond.Broadcast()
}

// DeleteNominatedPodIfExists deletes <pod> from nominatedPods.
func (npm *nominator) DeleteNominatedPodIfExists(pod *v1.Pod) {
	npm.lock.Lock()
	npm.deleteNominatedPodIfExistsUnlocked(pod)
	npm.lock.Unlock()
}

		a.recommendationsLock.Lock()
		delete(a.recommendations, key)
		a.recommendationsLock.Unlock()

		a.scaleUpEventsLock.Lock()
		delete(a.scaleUpEvents, key)
		a.scaleUpEventsLock.Unlock()

		a.scaleDownEventsLock.Lock()
		delete(a.scaleDownEvents, key)
		a.scaleDownEventsLock.Unlock()

		return true, nil
	}
	if err != nil {
		return false, err
	}

						mu.Lock()
						results[i] = info
						mu.Unlock()
					}
				}()
				// Start scanner. Blocks until done.
				err := erObj.nsScanner(ctx, allBuckets, wantCycle, updates, healScanMode)
				if err != nil {
					scannerLogIf(ctx, err)
					mu.Lock()
					if firstErr == nil {
						firstErr = err
					}
					// Cancel remaining...
					cancel()
					mu.Unlock()
					return
				}

		binary.LittleEndian.PutUint16(data[0:2], format)
		binary.LittleEndian.PutUint16(data[2:4], version)

		buf, err := ri.MarshalMsg(data)
		ri.mu.Unlock()
		if err != nil {
			return err
		}
		return saveConfig(ctx, api, getJobReportPath(job), buf)
	}
	ri.mu.Unlock()
	return nil
}

// Note: to be used only with batch jobs that affect multiple versions through

	p.podLock.Lock()
	defer p.podLock.Unlock()
	if status, ok := p.podSyncStatuses[uid]; ok {
		return status.IsTerminated()
	}
	// if the pod is not known, we return false (pod worker is not aware of it)
	return false
}

func (p *podWorkers) CouldHaveRunningContainers(uid types.UID) bool {
	p.podLock.Lock()
	defer p.podLock.Unlock()
	if status, ok := p.podSyncStatuses[uid]; ok {

	mu.Lock()
	go func() {
		awaitBlockedGoroutine(t, "sync.Mutex.Lock", "blockMutex", 1)
		mu.Unlock()
	}()
	// Note: Unlock releases mu before recording the mutex event,
	// so it's theoretically possible for this to proceed and
	// capture the profile before the event is recorded. As long
	// as this is blocked before the unlock happens, it's okay.
	mu.Lock()
}

func blockMutexN(t *testing.T, n int, d time.Duration) {

    /** Cleanup collected entries when the lock is available. */
    void tryDrainReferenceQueues() {
      if (tryLock()) {
        try {
          maybeDrainReferenceQueues();
        } finally {
          unlock();
        }
      }
    }

    @GuardedBy("this")
    void drainKeyReferenceQueue(ReferenceQueue<K> keyReferenceQueue) {
      Reference<? extends K> ref;
      int i = 0;

		c.stopLock.Unlock()
		return
	}
	c.stopped = true
	c.ready.stop()
	c.stopLock.Unlock()
	close(c.stopCh)
	c.stopWg.Wait()
}

func forgetWatcher(c *Cacher, w *cacheWatcher, index int, scope namespacedName, triggerValue string, triggerSupported bool) func(bool) {
	return func(drainWatcher bool) {
		c.Lock()
		defer c.Unlock()

// called and the state is fully propagated to local cache.
func (proxier *Proxier) OnServiceSynced() {
	proxier.mu.Lock()
	proxier.servicesSynced = true
	proxier.setInitialized(proxier.endpointSlicesSynced)
	proxier.mu.Unlock()

	// Sync unconditionally - this is called once per lifetime.
	proxier.syncProxyRules()
}

// OnEndpointSliceAdd is called whenever creation of a new endpoint slice object
// is observed.

		// might be in the process of firing on some other P; essentially we're
		// racing with it. That's totally OK. Double wake-ups are perfectly safe.
		s.timer.stop()
		unlock(&s.lock)
	} else {
		unlock(&s.lock)
		slept = s.sleepStub(sleepTime)
	}

	// Stop here if we're cooling down from the controller.
	if s.controllerCooldown > 0 {