| 1 | /*
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| 2 | * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
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| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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| 4 | *
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| 5 | * This code is free software; you can redistribute it and/or modify it
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| 6 | * under the terms of the GNU General Public License version 2 only, as
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| 7 | * published by the Free Software Foundation.
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| 8 | *
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| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT
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| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 12 | * version 2 for more details (a copy is included in the LICENSE file that
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| 13 | * accompanied this code).
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License version
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| 16 | * 2 along with this work; if not, write to the Free Software Foundation,
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| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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| 18 | *
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| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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| 20 | * or visit www.oracle.com if you need additional information or have any
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| 21 | * questions.
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| 22 | *
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| 23 | */
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| 24 |
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| 25 | /*
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| 26 | * @test
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| 27 | * @bug 6772683
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| 28 | * @summary Thread.isInterrupted() fails to return true on multiprocessor PC
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| 29 | * @run main/othervm InterruptedTest
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| 30 | */
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| 31 |
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| 32 | public class InterruptedTest {
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| 33 |
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| 34 | public static void main(String[] args) throws Exception {
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| 35 | Thread workerThread = new Thread("worker") {
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| 36 | public void run() {
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| 37 | System.out.println("Worker thread: running...");
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| 38 | while (!Thread.currentThread().isInterrupted()) {
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| 39 | }
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| 40 | System.out.println("Worker thread: bye");
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| 41 | }
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| 42 | };
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| 43 | System.out.println("Main thread: starts a worker thread...");
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| 44 | workerThread.start();
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| 45 | System.out.println("Main thread: waits at most 5s for the worker thread to die...");
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| 46 | workerThread.join(5000); // Wait 5 sec to let run() method to be compiled
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| 47 | int ntries = 0;
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| 48 | while (workerThread.isAlive() && ntries < 5) {
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| 49 | System.out.println("Main thread: interrupts the worker thread...");
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| 50 | workerThread.interrupt();
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| 51 | if (workerThread.isInterrupted()) {
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| 52 | System.out.println("Main thread: worker thread is interrupted");
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| 53 | }
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| 54 | ntries++;
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| 55 | System.out.println("Main thread: waits for the worker thread to die...");
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| 56 | workerThread.join(1000); // Wait 1 sec and try again
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| 57 | }
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| 58 | if (ntries == 5) {
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| 59 | System.out.println("Main thread: the worker thread dod not die");
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| 60 | System.exit(97);
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| 61 | }
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| 62 | System.out.println("Main thread: bye");
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| 63 | }
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| 64 |
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| 65 | }
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