Any practical example of LockSupport & AbstractQueuedSynchronizer use?

Question

Guys, can anyone give a simple practical example of LockSupport & AbstractQueuedSynchronizer use? Example given in javadocs is quite strained.<

Answer 1

2.7 release of Disruptor uses LockSupport.parkNanos instead of Thread.sleep to reduce latency:

http://code.google.com/p/disruptor/