1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import jdk.test.lib.apps.LingeredApp; 25 26 27 public class LingeredAppWithLock extends LingeredApp { 28 29 public static void lockMethod(Object lock) { 30 synchronized(lock) { 31 try { 32 Thread.sleep(300000); 33 } catch(InterruptedException e) { 34 throw new RuntimeException(e); 35 } 36 } 37 } 38 39 public static void main(String args[]) { 40 Thread classLock1 = new Thread( 41 () -> lockMethod(LingeredAppWithLock.class)); 42 Thread classLock2 = new Thread( 43 () -> lockMethod(LingeredAppWithLock.class)); 44 Thread objectLock = new Thread(() -> lockMethod(classLock1)); 45 Thread primitiveLock = new Thread(() -> lockMethod(int.class)); 46 47 classLock1.start(); 48 classLock2.start(); 49 objectLock.start(); 50 primitiveLock.start(); 51 52 LingeredApp.main(args); 53 } 54 }