109 lines
3.2 KiB
Java
109 lines
3.2 KiB
Java
/*
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* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6224859
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* @summary JDWP: Mixing application suspends and debugger suspends can cause hangs
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* @comment converted from test/jdk/com/sun/jdi/MixedSuspendTest.sh
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*
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* @library /test/lib
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* @run main/othervm MixedSuspendTest
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*/
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import lib.jdb.JdbCommand;
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import lib.jdb.JdbTest;
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class MixedSuspendTarg extends Thread {
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static volatile boolean started = true;
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static String lock = "startLock";
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public static void main(String[] args){
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System.out.println("Howdy from MixedSuspendTarg");
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MixedSuspendTarg mytarg = new MixedSuspendTarg();
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synchronized(lock) {
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mytarg.start();
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try {
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lock.wait();
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} catch(InterruptedException ee) {
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}
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}
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mytarg.suspend();
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bkpt();
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System.out.println("Debuggee: resuming thread");
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// If the bug occurs, this resume hangs in the back-end
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mytarg.resume();
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System.out.println("Debuggee: resumed thread");
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synchronized(lock) {
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started = false;
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}
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System.out.println("Debuggee: exitting, started = " + started);
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}
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public void run() {
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synchronized(lock) {
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lock.notifyAll();
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}
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while (true) {
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synchronized(lock) {
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if (!started) {
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break;
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}
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int i = 0;
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}
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}
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System.out.println("Debuggee: end of thread");
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}
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static void bkpt() {
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//System.out.println("bkpt reached, thread = " + this.getName());
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int i = 0; // @1 breakpoint
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}
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}
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public class MixedSuspendTest extends JdbTest {
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public static void main(String argv[]) {
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new MixedSuspendTest().run();
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}
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private MixedSuspendTest() {
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super(DEBUGGEE_CLASS);
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}
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private static final String DEBUGGEE_CLASS = MixedSuspendTarg.class.getName();
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@Override
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protected void runCases() {
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setBreakpointsFromTestSource("MixedSuspendTest.java", 1);
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jdb.command(JdbCommand.run());
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jdb.command(JdbCommand.cont().allowExit());
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// This test fails by timing out.
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}
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}
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