#!/bin/sh

#

# Copyright (c) 2003, 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 4847812

#  @summary TTY: jdb lock command displays incorrect data

#  @author Jim Holmlund

#  @run shell JdbLockTest.sh

# These are variables that can be set to control execution

#pkg=untitled7

classname=JdbLockTest

compileOptions=-g

#java="java_g"

createJavaFile()

{

    cat <<EOF > $classname.java.1

public class $classname {

    static String jj = "jj";

    public static void main(String args[]) {

        synchronized(jj) {

            sleeper xx = new sleeper();

            xx.start();

            // Give the sleeper a chance to run and get to

            // the synchronized statement.

            while(sleeper.started == 0) {

                try {

                    Thread.sleep(100);

                } catch(InterruptedException ee) {

                }

            }

            // At this bkpt, sleeper should be waiting on $classname.jj

            System.out.println("Hello sailor");    // @1 breakpoint

        }

    }

}

class sleeper extends Thread {

    public static int started = 0;

    public void run() {

        started = 1;

        System.out.println("     sleeper starts sleeping");

        synchronized($classname.jj) {

            System.out.println("     sleeper got the lock");

        }

        System.out.println("     sleeper awakes");

    }

}

EOF

}

# drive jdb by sending cmds to it and examining its output

dojdbCmds()

{

    setBkpts @1

    runToBkpt @1

    # This should say that main owns the lock

    # and the sleeper thread is waiting for it.

    cmd lock $classname.jj

    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

jdbFailIfPresent "Waiting thread: main"

pass