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

Comparing jsr166/src/test/loops/SimpleWriteLockLoops.java (file contents):
Revision 1.2 by dl, Fri Jun 10 15:45:19 2005 UTC vs.
Revision 1.4 by jsr166, Thu Oct 29 23:09:08 2009 UTC

#	Line 1 | Line 1
1		/*
2	–	* @test
3	–	* @synopsis multiple threads using a single lock
4	–	*/
5	–	/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3	<	* Expert Group and released to the public domain. Use, modify, and
4	<	* redistribute this code in any way without acknowledgement.
3	>	* Expert Group and released to the public domain, as explained at
4	>	* http://creativecommons.org/licenses/publicdomain
5		*/
6
7		import java.util.concurrent.*;
#	Line 20 | Line 16 | public final class SimpleWriteLockLoops
16
17		public static void main(String[] args) throws Exception {
18		int maxThreads = 100;
19	<	if (args.length > 0)
19	>	if (args.length > 0)
20		maxThreads = Integer.parseInt(args[0]);
21
22		print = true;
#	Line 52 | Line 48 | public final class SimpleWriteLockLoops
48		}
49
50		final void test() throws Exception {
51	<	for (int i = 0; i < nthreads; ++i)
51	>	for (int i = 0; i < nthreads; ++i)
52		pool.execute(this);
53		barrier.await();
54		barrier.await();
#	Line 72 | Line 68 | public final class SimpleWriteLockLoops
68		public final void run() {
69		final Lock lock = this.lock.writeLock();
70		try {
71	<	barrier.await();
71	>	barrier.await();
72		int sum = v + 1;
73		int x = 0;
74		int n = iters;
#	Line 91 | Line 87 | public final class SimpleWriteLockLoops
87		++readBarrier;
88		for (int l = x & 7; l > 0; --l)
89		sum += LoopHelpers.compute6(sum);
90	<	}
90	>	}
91		barrier.await();
92		result += sum;
93		}
94	<	catch (Exception ie) {
95	<	return;
94	>	catch (Exception ie) {
95	>	return;
96		}
97		}
98		}

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