final ReentrantLock lock = this.lock;
    if (!fair && lock.tryLock()) {
      return true;
    }
    boolean interrupted = Thread.interrupted();
    try {
      final long startTime = System.nanoTime();
      for (long remainingNanos = timeoutNanos; ; ) {
        try {
          return lock.tryLock(remainingNanos, TimeUnit.NANOSECONDS);
        } catch (InterruptedException interrupt) {

        }
      }
    } finally {
      if (interrupted) {
        Thread.currentThread().interrupt();
      }
    }
  }

  /**
   * Invokes {@code lock.}{@link Lock#tryLock(long, TimeUnit) tryLock(timeout, unit)}
   * uninterruptibly.
   *
   * @since 30.0
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration

            ensureAllWithoutLoggerInitialized();
        }

        void maybeAdd(final ListenerDetails listener) {
            if (type.isInstance(listener.listener)) {
                if (broadcasterLock.tryLock()) {
                    try {
                        checkListenersCanBeAdded();
                        listeners.add(listener);
                        invalidateDispatchCache();
                    } finally {

                compile 'test:test3:1.0'
                compile 'test:test4:1.0'

                components {
                    all { ComponentMetadataDetails details ->
                        if (!lock.tryLock()) {
                            throw new AssertionError("Rule called concurrently")
                        }
                        lock.unlock()
                    }

import java.util.concurrent.atomic.AtomicReference;

import static org.gradle.internal.resources.DefaultResourceLockCoordinationService.lock;
import static org.gradle.internal.resources.DefaultResourceLockCoordinationService.tryLock;
import static org.gradle.internal.resources.DefaultResourceLockCoordinationService.unlock;

@ServiceScope(Scope.CrossBuildSession.class)

                acquiredAggregatorLock = aggregator ? aggregatorLock.writeLock() : aggregatorLock.readLock();
                acquiredProjectLock = getProjectLock(session);
                if (!acquiredAggregatorLock.tryLock()) {
                    Thread owner = aggregatorLock.getOwner();
                    MojoDescriptor ownerMojo = owner != null ? mojos.get(owner) : null;

// TryRead read up to len(p) bytes into p like Read but it is not blocking.
// If it has not succeeded to acquire the lock, it return 0 as n and ErrAcquireLock.
func (r *RingBuffer) TryRead(p []byte) (n int, err error) {
	ok := r.mu.TryLock()
	if !ok {
		return 0, ErrAcquireLock
	}
	defer r.mu.Unlock()
	if err := r.readErr(true); err != nil {
		return 0, err
	}
	if len(p) == 0 {
		return 0, r.readErr(true)
	}

pkg strings, func Clone(string) string
pkg strings, func Cut(string, string) (string, string, bool)
pkg strings, func Title //deprecated
pkg sync, method (*Mutex) TryLock() bool
pkg sync, method (*RWMutex) TryLock() bool
pkg sync, method (*RWMutex) TryRLock() bool
pkg syscall (freebsd-386), type SysProcAttr struct, Pdeathsig Signal
pkg syscall (freebsd-386-cgo), type SysProcAttr struct, Pdeathsig Signal

    private boolean tryLockProjectFor(Node node, List<ResourceLock> resources) {
        ResourceLock toLock = node.getProjectToLock();
        if (toLock == null) {
            return true;
        } else if (toLock.tryLock()) {
            resources.add(toLock);
            return true;
        } else {
            return false;
        }
    }

    private void unlockProjectFor(Node node) {

				return func() error {
					if cache.RWMutex.TryLock() {
						return errors.New("Lock succeeded")
					}
					return nil
				}
			},
		},
		{
			description: "cache is Rlocked inside a function",
			funcGen: func(cache *claimInfoCache) func() error {
				return func() error {
					if cache.RWMutex.TryRLock() {
						return errors.New("RLock succeeded")
					}
					return nil