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root/jsr166/jsr166/src/test/loops/Mutex100M.java

Comparing jsr166/src/test/loops/Mutex100M.java (file contents):
Revision 1.2 by dl, Mon May 9 19:33:30 2005 UTC vs.
Revision 1.3 by jsr166, Thu Oct 29 23:09:07 2009 UTC

#	Line 29 | Line 29 | class Mutex100M {
29		}
30
31		static final Mutex100M.Mutex lock = new Mutex100M.Mutex();
32	<
32	>
33		static int loop(int x, int iters) {
34		final Mutex100M.Mutex l = lock;
35		for (int i = iters; i > 0; --i) {
#	Line 43 | Line 43 | class Mutex100M {
43
44		static final class Mutex extends AbstractQueuedSynchronizer {
45		public boolean isHeldExclusively() { return getState() == 1; }
46	<
46	>
47		public boolean tryAcquire(int acquires) {
48		return getState() == 0 && compareAndSetState(0, 1);
49		}
50	<
50	>
51		public boolean tryRelease(int releases) {
52		setState(0);
53		return true;
54		}
55		public Condition newCondition() { return new ConditionObject(); }
56	<
57	<	public void lock() {
56	>
57	>	public void lock() {
58		if (!compareAndSetState(0, 1))
59	<	acquire(1);
59	>	acquire(1);
60		}
61	<	public boolean tryLock() {
61	>	public boolean tryLock() {
62		return tryAcquire(1);
63		}
64	<	public void lockInterruptibly() throws InterruptedException {
64	>	public void lockInterruptibly() throws InterruptedException {
65		acquireInterruptibly(1);
66		}
67		public boolean tryLock(long timeout, TimeUnit unit) throws InterruptedException {
#	Line 69 | Line 69 | class Mutex100M {
69		}
70		public void unlock() { release(1); }
71		}
72	<
72	>
73		}

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