001/*
002 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.jtt.threads;
024
025import org.junit.*;
026
027import com.oracle.graal.jtt.*;
028
029/*
030 */
031
032// Interrupted while running, do nothing, just set the flag and continue
033// (thomaswue) This test will exercise deoptimization on HotSpot, because a volatile unloaded field is accessed.
034// (thomaswue) The temporary result variable is needed, because in order to query the isInterrupted flag, the thread must be alive.
035public class Thread_isInterrupted04 extends JTTTest {
036
037    public static boolean test() throws InterruptedException {
038        final Thread1 thread = new Thread1();
039        thread.start();
040        while (!thread.running) {
041            Thread.sleep(10);
042        }
043        Thread.sleep(100);
044        thread.interrupt();
045        boolean result = thread.isInterrupted();
046        thread.setStop(true);
047        return result;
048    }
049
050    public static class Thread1 extends java.lang.Thread {
051
052        private volatile boolean stop = false;
053        public volatile boolean running = false;
054        public long i = 0;
055
056        @Override
057        public void run() {
058            running = true;
059            while (!stop) {
060                i++;
061            }
062        }
063
064        public void setStop(boolean value) {
065            stop = value;
066        }
067
068    }
069
070    @Test
071    public void run0() throws Throwable {
072        runTest("test");
073    }
074
075}