timeout.LogSuccess(UTCNow().Sub(start))
	return LockContext{ctx: newCtx, cancel: cancel}, nil
}

// Unlock - block until write lock is released.
func (di *distLockInstance) Unlock(lc LockContext) {
	if lc.cancel != nil {
		lc.cancel()
	}
	di.rwMutex.Unlock(context.Background())
}

// RLock - block until read lock is taken or timeout has occurred.

	}
}

// RUnlock releases a read lock held on lm.
//
// It is a run-time error if lm is not locked on entry to RUnlock.
func (lm *LRWMutex) RUnlock() {
	isWriteLock := false
	success := lm.unlock(isWriteLock)
	if !success {
		panic("Trying to RUnlock() while no RLock() is active")
	}
}

func (lm *LRWMutex) unlock(isWriteLock bool) (unlocked bool) {
	lm.mu.Lock()

	// Do read unlock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of unlock request operation.
	// Canceling the context will abort the remote call.
	// In that case, the resource may or may not be unlocked.
	RUnlock(ctx context.Context, args LockArgs) (bool, error)

	// Do write unlock for given LockArgs. It should return

	defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
		mu.Unlock(t.Context()) // Unlock, so -test.count > 1 works
	}()
	mu.Lock(id, source)
	mu.RUnlock(t.Context())
}

// Borrowed from rwmutex_test.go
func benchmarkRWMutex(b *testing.B, localWork, writeRatio int) {
	b.ResetTimer()
	b.ReportAllocs()

	}
	return ok, err
}

// RLock calls read lock REST API.
func (c *lockRESTClient) RLock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCRLock, &args)
}

// Lock calls lock REST API.
func (c *lockRESTClient) Lock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCLock, &args)
}

// RUnlock calls read unlock REST API.

            lock.readLock().unlock();
        }
    }

    /**
     * Get handle information by path
     * @param path the file path
     * @return the handle info or null if not found
     */
    public HandleInfo getHandleByPath(String path) {
        lock.readLock().lock();
        try {
            return handles.get(path);
        } finally {
            lock.readLock().unlock();
        }
    }

		}
	}()
	mu := NewLRWMutex()
	mu.RLock()
	mu.Unlock()
}

// Borrowed from rwmutex_test.go
func TestRUnlockPanic(t *testing.T) {
	defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewLRWMutex()
	mu.RUnlock()
}

// Borrowed from rwmutex_test.go
func TestRUnlockPanic2(t *testing.T) {

        // arrays of one lock and one unlock range
        LockingAndXRange lock = new LockingAndXRange(false);
        lock.encode(new byte[20], 0); // initialise fields by encoding to set pid etc (though not needed)
        setField(lock, "pid", 123);
        setField(lock, "byteOffset", 100L);
        setField(lock, "lengthInBytes", 200L);
        LockingAndXRange unlock = new LockingAndXRange(false);

	// to indicate we haven't sufficiently unlocked lockers to avoid deadlocks.
	//
	// Caller may use this as an indication to call again.
	return !checkFailedUnlocks(*locks, tolerance)
}

// Unlock unlocks the write lock.
//
// It is a run-time error if dm is not locked on entry to Unlock.
func (dm *DRWMutex) Unlock(ctx context.Context) {
	dm.m.Lock()
	dm.cancelRefresh()
	dm.m.Unlock()

    Lock lockA = factory.newReentrantReadWriteLock(OtherOrder.FIRST).readLock();
    Lock lockB = factory.newReentrantLock(OtherOrder.SECOND);

    lockA.lock();
    lockA.lock();
    lockB.lock();
    lockB.lock();
    lockA.unlock();
    lockA.unlock();
    lockB.unlock();
    lockB.unlock();
  }