1 #!/bin/sh

     2 

     3 #

     4 # Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.

     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     6 #

     7 # This code is free software; you can redistribute it and/or modify it

     8 # under the terms of the GNU General Public License version 2 only, as

     9 # published by the Free Software Foundation.

    10 #

    11 # This code is distributed in the hope that it will be useful, but WITHOUT

    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14 # version 2 for more details (a copy is included in the LICENSE file that

    15 # accompanied this code).

    16 #

    17 # You should have received a copy of the GNU General Public License version

    18 # 2 along with this work; if not, write to the Free Software Foundation,

    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20 #

    21 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22 # CA 95054 USA or visit www.sun.com if you need additional information or

    23 # have any questions.

    24 #

    25 

    26 #  @test

    27 #  @bug 4847812

    28 #  @summary TTY: jdb lock command displays incorrect data

    29 #  @author Jim Holmlund

    30 #  @run shell JdbLockTest.sh

    31 

    32 # These are variables that can be set to control execution

    33 

    34 #pkg=untitled7

    35 classname=JdbLockTest

    36 compileOptions=-g

    37 #java="java_g"

    38 

    39 createJavaFile()

    40 {

    41     cat <<EOF > $classname.java.1

    42 public class $classname {

    43     static String jj = "jj";

    44     public static void main(String args[]) {

    45         synchronized(jj) {

    46             sleeper xx = new sleeper();

    47             xx.start();

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

    49             // the synchronized statement.

    50             while(sleeper.started == 0) {

    51                 try {

    52                     Thread.sleep(100);

    53                 } catch(InterruptedException ee) {

    54                 }

    55             }

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

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

    58         }

    59     }

    60 }

    61 

    62 class sleeper extends Thread {

    63     public static int started = 0;

    64     public void run() {

    65         started = 1;

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

    67         synchronized($classname.jj) {

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

    69         }

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

    71     }

    72 }

    73 

    74 EOF

    75 }

    76 

    77 

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

    79 dojdbCmds()

    80 {

    81     setBkpts @1

    82     runToBkpt @1

    83     # This should say that main owns the lock

    84     # and the sleeper thread is waiting for it.

    85     cmd lock $classname.jj

    86     cmd quit 

    87 }

    88 

    89 

    90 mysetup()

    91 {

    92     if [ -z "$TESTSRC" ] ; then

    93         TESTSRC=.

    94     fi

    95 

    96     for ii in . $TESTSRC $TESTSRC/.. ; do

    97         if [ -r "$ii/ShellScaffold.sh" ] ; then

    98             . $ii/ShellScaffold.sh 

    99             break

   100         fi

   101     done

   102 }

   103 

   104 # You could replace this next line with the contents

   105 # of ShellScaffold.sh and this script will run just the same.

   106 mysetup

   107 

   108 runit

   109 jdbFailIfPresent "Waiting thread: main"

   110 pass