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

Comparing jsr166/src/test/loops/Mutex.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 AbstractQueuedSynchronizer.
14	>	* A sample user extension of AbstractQueuedSynchronizer.
15		*/
16		public final class Mutex extends AbstractQueuedSynchronizer implements Lock, java.io.Serializable {
17		public boolean isHeldExclusively() { return getState() == 1; }
18	<
18	>
19		public boolean tryAcquire(int acquires) {
20		return compareAndSetState(0, 1);
21		}
22	<
22	>
23		public boolean tryRelease(int releases) {
24		setState(0);
25		return true;
26		}
27		public Condition newCondition() { return new ConditionObject(); }
28	<
28	>
29		private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
30		s.defaultReadObject();
31		setState(0); // reset to unlocked state
32		}
33
34	<	public void lock() {
35	<	acquire(1);
34	>	public void lock() {
35	>	acquire(1);
36		}
37	<	public boolean tryLock() {
37	>	public boolean tryLock() {
38		return tryAcquire(1);
39		}
40	<	public void lockInterruptibly() throws InterruptedException {
40	>	public void lockInterruptibly() throws InterruptedException {
41		acquireInterruptibly(1);
42		}
43		public boolean tryLock(long timeout, TimeUnit unit) throws InterruptedException {

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