test/compiler/6772683/InterruptedTest.java

changeset 1222
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child 1279
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1221:27d660246893 1222:aabd393cf1ee
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 }

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