1 /* 2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @bug 6772683 28 * @summary Thread.isInterrupted() fails to return true on multiprocessor PC 29 * @run main/othervm InterruptedTest 30 */ 31 32 public class InterruptedTest { 33 34 public static void main(String[] args) throws Exception { 35 Thread workerThread = new Thread("worker") { 36 public void run() { 37 System.out.println("Worker thread: running..."); 38 while (!Thread.currentThread().isInterrupted()) { 39 } 40 System.out.println("Worker thread: bye"); 41 } 42 }; 43 System.out.println("Main thread: starts a worker thread..."); 44 workerThread.start(); 45 System.out.println("Main thread: waits at most 5s for the worker thread to die..."); 46 workerThread.join(5000); // Wait 5 sec to let run() method to be compiled 47 int ntries = 0; 48 while (workerThread.isAlive() && ntries < 5) { 49 System.out.println("Main thread: interrupts the worker thread..."); 50 workerThread.interrupt(); 51 if (workerThread.isInterrupted()) { 52 System.out.println("Main thread: worker thread is interrupted"); 53 } 54 ntries++; 55 System.out.println("Main thread: waits for the worker thread to die..."); 56 workerThread.join(1000); // Wait 1 sec and try again 57 } 58 if (ntries == 5) { 59 System.out.println("Main thread: the worker thread dod not die"); 60 System.exit(97); 61 } 62 System.out.println("Main thread: bye"); 63 } 64 65 }