EDU.oswego.cs.dl.util.concurrent

Class QueuedSemaphore

public abstract class QueuedSemaphore extends Semaphore

Abstract base class for semaphores relying on queued wait nodes.

Nested Class Summary
protected abstract static class	QueuedSemaphore.WaitQueue Base class for internal queue classes for semaphores, etc.

Field Summary
protected QueuedSemaphore.WaitQueue	wq_

Method Summary
void	acquire()
boolean	attempt(long msecs)
protected QueuedSemaphore.WaitQueue.WaitNode	getSignallee()
protected boolean	precheck()
protected boolean	recheck(QueuedSemaphore.WaitQueue.WaitNode w)
void	release()
void	release(long n) Release N permits *

Field Detail

public void acquire()

public boolean attempt(long msecs)

protected boolean precheck()

public void release()

public void release(long n)

Release N permits *