1 /* 2 * Copyright (c) 2007, 2012, 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 package org.graalvm.compiler.jtt.threads; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 */ 31 32 // Interrupted while running, do nothing, just set the flag and continue 33 // (thomaswue) This test will exercise deoptimization on HotSpot, because a volatile unloaded field is accessed. 34 // (thomaswue) The temporary result variable is needed, because in order to query the isInterrupted flag, the thread must be alive. 35 public class Thread_isInterrupted04 extends JTTTest { 36 37 public static boolean test() throws InterruptedException { 38 final Thread1 thread = new Thread1(); 39 thread.start(); 40 while (!thread.running) { 41 Thread.sleep(10); 42 } 43 Thread.sleep(100); 44 thread.interrupt(); 45 boolean result = thread.isInterrupted(); 46 thread.setStop(true); 47 return result; 48 } 49 50 public static class Thread1 extends java.lang.Thread { 51 52 private volatile boolean stop = false; 53 public volatile boolean running = false; 54 public long i = 0; 55 56 @Override 57 public void run() { 58 running = true; 59 while (!stop) { 60 i++; 61 } 62 } 63 64 public void setStop(boolean value) { 65 stop = value; 66 } 67 68 } 69 70 @Test 71 public void run0() throws Throwable { 72 runTest("test"); 73 } 74 75 }