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 {

            while (lock == null && getTimeMillis() < expiry) {
                randomAccessFile = new RandomAccessFile(lockFile, "rw");
                channel = randomAccessFile.getChannel();
                lock = channel.tryLock();

                if (lock == null) {
                    maybeCloseQuietly(channel);
                    maybeCloseQuietly(randomAccessFile);
                    Thread.sleep(pollIntervalMs);
                }

                return false
            }

            @Override
            boolean isLockedByCurrentThread() {
                return false
            }

            @Override
            boolean tryLock() {
                return false
            }

            @Override
            void unlock() {

            }

            @Override
            String getDisplayName() {

                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)
	}

		return *v, nil
	}

	// Fetch new value asynchronously, while we do not return an error
	// if v != nil value or
	if t.opts.NoWait && v != nil && tNow-vTime < ttl.Milliseconds()*2 {
		if t.updating.TryLock() {
			go func() {
				defer t.updating.Unlock()
				t.update(context.Background())
			}()
		}
		return *v, nil
	}

	// Get lock. Either we get it or we wait for it.
	t.updating.Lock()