#fixed code
                             public void await(long timeout, TimeUnit unit, boolean cancelOnTimeout) throws InterruptedException, TimeoutException {
		final long end = System.currentTimeMillis() + unit.toMillis(timeout);
		if (!isDone() && System.currentTimeMillis() < end) {
			synchronized (signal) {
				while (!isDone() && System.currentTimeMillis() < end) {
					signal.wait(end - System.currentTimeMillis());
				}
			}
		}
		if (!isDone()) {
			if (cancelOnTimeout) {
				cancel();
			}
			throw new TimeoutException();
		}
	}
#vulnerable code 
                             public void await(long timeout, TimeUnit unit, boolean cancelOnTimeout) throws InterruptedException, TimeoutException {
		final long end = System.currentTimeMillis() + unit.toMillis(timeout);
		while (!isDone() && System.currentTimeMillis() < end) {
			synchronized (signal) {
				signal.wait(end - System.currentTimeMillis());
			}
		}
		if (!isDone()) {
			if (cancelOnTimeout) {
				cancel();
			}
			throw new TimeoutException();
		}
	} 
                            #location 8 
                            #vulnerability type THREAD_SAFETY_VIOLATION