16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 */ 22 23 /* 24 * This file is available under and governed by the GNU General Public 25 * License version 2 only, as published by the Free Software Foundation. 26 * However, the following notice accompanied the original version of this 27 * file: 28 * 29 * Written by Doug Lea with assistance from members of JCP JSR-166 30 * Expert Group and released to the public domain, as explained at 31 * http://creativecommons.org/publicdomain/zero/1.0/ 32 */ 33 34 /* 35 * @test 36 * @bug 4486658 37 * @compile -source 1.5 SimpleReentrantLockLoops.java 38 * @run main/timeout=4500 SimpleReentrantLockLoops 39 * @summary multiple threads using a single lock 40 */ 41 42 import java.util.concurrent.*; 43 import java.util.concurrent.locks.*; 44 import java.util.*; 45 46 public final class SimpleReentrantLockLoops { 47 static final ExecutorService pool = Executors.newCachedThreadPool(); 48 static final LoopHelpers.SimpleRandom rng = new LoopHelpers.SimpleRandom(); 49 static boolean print = false; 50 static int iters = 1000000; 51 52 public static void main(String[] args) throws Exception { 53 int maxThreads = 5; 54 if (args.length > 0) 55 maxThreads = Integer.parseInt(args[0]); 56 57 print = true; | 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 */ 22 23 /* 24 * This file is available under and governed by the GNU General Public 25 * License version 2 only, as published by the Free Software Foundation. 26 * However, the following notice accompanied the original version of this 27 * file: 28 * 29 * Written by Doug Lea with assistance from members of JCP JSR-166 30 * Expert Group and released to the public domain, as explained at 31 * http://creativecommons.org/publicdomain/zero/1.0/ 32 */ 33 34 /* 35 * @test 36 * @bug 4486658 8031651 37 * @compile SimpleReentrantLockLoops.java 38 * @run main/timeout=4500 SimpleReentrantLockLoops 39 * @summary multiple threads using a single lock 40 */ 41 42 import java.util.concurrent.*; 43 import java.util.concurrent.locks.*; 44 import java.util.*; 45 46 public final class SimpleReentrantLockLoops { 47 static final ExecutorService pool = Executors.newCachedThreadPool(); 48 static final LoopHelpers.SimpleRandom rng = new LoopHelpers.SimpleRandom(); 49 static boolean print = false; 50 static int iters = 1000000; 51 52 public static void main(String[] args) throws Exception { 53 int maxThreads = 5; 54 if (args.length > 0) 55 maxThreads = Integer.parseInt(args[0]); 56 57 print = true; |