| #!/bin/sh |
| |
| # |
| # Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| # |
| # This code is free software; you can redistribute it and/or modify it |
| # under the terms of the GNU General Public License version 2 only, as |
| # published by the Free Software Foundation. |
| # |
| # This code is distributed in the hope that it will be useful, but WITHOUT |
| # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| # version 2 for more details (a copy is included in the LICENSE file that |
| # accompanied this code). |
| # |
| # You should have received a copy of the GNU General Public License version |
| # 2 along with this work; if not, write to the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| # |
| # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| # or visit www.oracle.com if you need additional information or have any |
| # questions. |
| # |
| |
| # @test |
| # @bug 6224859 |
| # @summary JDWP: Mixing application suspends and debugger suspends can cause hangs |
| # |
| # @author Jim Holmlund |
| # |
| # @run build TestScaffold VMConnection TargetListener TargetAdapter |
| # @run shell MixedSuspendTest.sh |
| |
| classname=MixedSuspendTarg |
| |
| createJavaFile() |
| { |
| cat <<EOF > $classname.java.1 |
| |
| import java.util.*; |
| |
| public class $classname extends Thread { |
| |
| static volatile boolean started = true; |
| static String lock = "startLock"; |
| |
| public static void main(String[] args){ |
| System.out.println("Howdy from MixedSuspendTarg"); |
| |
| MixedSuspendTarg mytarg = new MixedSuspendTarg(); |
| |
| synchronized(lock) { |
| mytarg.start(); |
| try { |
| lock.wait(); |
| } catch(InterruptedException ee) { |
| } |
| } |
| mytarg.suspend(); |
| bkpt(); |
| System.out.println("Debuggee: resuming thread"); |
| |
| // If the bug occurs, this resume hangs in the back-end |
| mytarg.resume(); |
| System.out.println("Debuggee: resumed thread"); |
| synchronized(lock) { |
| started = false; |
| } |
| System.out.println("Debuggee: exitting, started = " + started); |
| } |
| |
| public void run() { |
| synchronized(lock) { |
| lock.notifyAll(); |
| } |
| while (true) { |
| synchronized(lock) { |
| if (!started) { |
| break; |
| } |
| int i = 0; |
| } |
| } |
| |
| System.out.println("Debuggee: end of thread"); |
| } |
| |
| static void bkpt() { |
| //System.out.println("bkpt reached, thread = " + this.getName()); |
| int i = 0; // @1 breakpoint |
| } |
| } |
| |
| EOF |
| } |
| |
| dojdbCmds() |
| { |
| setBkpts @1 |
| runToBkpt @1 |
| cmd cont |
| cmd quit |
| } |
| |
| |
| mysetup() |
| { |
| if [ -z "$TESTSRC" ] ; then |
| TESTSRC=. |
| fi |
| |
| for ii in . $TESTSRC $TESTSRC/.. ; do |
| if [ -r "$ii/ShellScaffold.sh" ] ; then |
| . $ii/ShellScaffold.sh |
| break |
| fi |
| done |
| } |
| |
| # You could replace this next line with the contents |
| # of ShellScaffold.sh and this script will run just the same. |
| mysetup |
| |
| runit |
| ## This test fails by timing out. |
| pass |