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root/jsr166/jsr166/src/test/loops/LongMutex.java

Comparing jsr166/src/test/loops/LongMutex.java (file contents):
Revision 1.1 by dl, Mon May 2 19:19:38 2005 UTC vs.
Revision 1.2 by jsr166, Thu Oct 29 23:09:07 2009 UTC

#	Line 11 | Line 11 | import java.util.concurrent.atomic.*;
11		import java.io.*;
12
13		/**
14	<	* A sample user extension of AbstractQueuedLongSynchronizer.
14	>	* A sample user extension of AbstractQueuedLongSynchronizer.
15		*/
16		public final class LongMutex extends AbstractQueuedLongSynchronizer implements Lock, java.io.Serializable {
17		static final long LOCKED = -1L;
18		public boolean isHeldExclusively() { return getState() == LOCKED; }
19	<
19	>
20		public boolean tryAcquire(long acquires) {
21		return compareAndSetState(0, LOCKED);
22		}
23	<
23	>
24		public boolean tryRelease(long releases) {
25		setState(0);
26		return true;
27		}
28		public Condition newCondition() { return new ConditionObject(); }
29	<
29	>
30		private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
31		s.defaultReadObject();
32		setState(0); // reset to unlocked state
33		}
34
35	<	public void lock() {
36	<	acquire(LOCKED);
35	>	public void lock() {
36	>	acquire(LOCKED);
37		}
38	<	public boolean tryLock() {
38	>	public boolean tryLock() {
39		return tryAcquire(LOCKED);
40		}
41	<	public void lockInterruptibly() throws InterruptedException {
41	>	public void lockInterruptibly() throws InterruptedException {
42		acquireInterruptibly(LOCKED);
43		}
44		public boolean tryLock(long timeout, TimeUnit unit) throws InterruptedException {

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