return atomic.Loaduintptr(&l.key) > locked
}

func lock(l *mutex) {
	lockWithRank(l, getLockRank(l))
}

func lock2(l *mutex) {
	gp := getg()
	if gp.m.locks < 0 {
		throw("runtime·lock: lock count")
	}
	gp.m.locks++

	// Speculative grab for lock.
	if atomic.Casuintptr(&l.key, 0, locked) {
		return
	}
	semacreate(gp.m)

	timer := &lockTimer{lock: l}
	timer.begin()

 * method equivalent to {@link
 * java.util.concurrent.locks.ReentrantLock#hasWaiters(java.util.concurrent.locks.Condition)},
 * except that the method parameter must accept whatever condition-like object is passed into {@code
 * callAndAssertWaits} by the test.
 *
 * @param <L> the type of the lock-like object to be used
 * @author Justin T. Sampson
 */

	jListerSynced cache.InformerSynced

	// Jobs that the controller will check its TTL and attempt to delete when the TTL expires.
	queue workqueue.TypedRateLimitingInterface[string]

	// The clock for tracking time
	clock clock.Clock
}

// New creates an instance of Controller
func New(ctx context.Context, jobInformer batchinformers.JobInformer, client clientset.Interface) *Controller {

            thread.block()
            worker.runLater(action2)
        }

        then:
        instant.action2Completed < instant.action1Completed
    }

    def "can use instants to test that a method blocks until action is complete"() {
        Worker worker = new Worker(executor)

        given:
        def action = {
            thread.block()
            instant.actionCompleted
        }

		w.setBookmarkAfterResourceVersion(0)
		return w
	}

	clock := testingclock.NewFakeClock(time.Now())
	watchers := newTimeBucketWatchers(clock, defaultBookmarkFrequency)
	now := clock.Now()
	watchers.addWatcherThreadUnsafe(newWatcher(now.Add(10 * time.Second)))
	watchers.addWatcherThreadUnsafe(newWatcher(now.Add(20 * time.Second)))

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.function.Supplier;

// TODO Replace the use of this with synchronized caches from Guava
@NonNullApi
public class Synchronizer {

    private final Lock lock = new ReentrantLock();

    public <T> T synchronize(Supplier<T> factory) {
        lock.lock();
        try {
            return factory.get();

// document to standard output.
// It is intended for debugging.
func DumpMarkdown(d *md.Document) {
	dumpBlocks(d.Blocks, 0)
}

func dumpBlocks(bs []md.Block, depth int) {
	for _, b := range bs {
		dumpBlock(b, depth)
	}
}

func dumpBlock(b md.Block, depth int) {
	typeName := strings.TrimPrefix(fmt.Sprintf("%T", b), "*markdown.")
	dprintf(depth, "%s\n", typeName)
	switch b := b.(type) {

			return true, nil
		})

	if err != nil {
		err = lastErr
	}
	return componentPodHash, err
}

// WaitForStaticPodHashChange blocks until it timeouts or notices that the Mirror Pod (for the Static Pod, respectively) has changed
// This implicitly means this function blocks until the kubelet has restarted the Static Pod in question
func (w *KubeWaiter) WaitForStaticPodHashChange(nodeName, component, previousHash string) error {

 */
```

## 1.3 Code blocks and snippets

`<pre>` is the default HTML tag for preformatted text.
All code blocks and multi-line snippets should be wrapped in `<pre>{@code ...... }</pre>` at minimum.

Code blocks can be optionally formatted and highlighted using [`highlight.js`](https://highlightjs.org/) with the `<code>` tag.

            testServices.get(ActorFactory.class),
            testServices.get(Clock.class)
        );
        IdGenerator<Object> idGenerator = Cast.uncheckedNonnullCast(testServices.get(IdGenerator.class));

        targetProcessor = new WorkerTestClassProcessor(targetProcessor, idGenerator.generateId(),
                workerProcessContext.getDisplayName(), testServices.get(Clock.class));