jdk/test/com/sun/jdi/JdbLockTest.sh

#!/bin/sh

#
# Copyright (c) 2003, 2014 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
}


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