1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  */
18 
19 /**
20  * @author Vitaly A. Provodin
21  */
22 
23 /**
24  * Created on 24.02.2005
25  */
26 package org.apache.harmony.jpda.tests.jdwp.ThreadReference;
27 
28 import org.apache.harmony.jpda.tests.framework.DebuggeeSynchronizer;
29 import org.apache.harmony.jpda.tests.framework.LogWriter;
30 import org.apache.harmony.jpda.tests.framework.TestErrorException;
31 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
32 import org.apache.harmony.jpda.tests.share.SyncDebuggee;
33 
34 /**
35  * The class specifies debuggee for
36  * <code>org.apache.harmony.jpda.tests.jdwp.ThreadReference.CurrentContendedMonitorTest</code>.
37  * This debuggee starts the tested thread <code>TESTED_THREAD</code> which
38  * invokes <code>wait()</code>.
39  */
40 public class CurrentContendedMonitorDebuggee extends SyncDebuggee {
41 
42     public static final String TESTED_THREAD = "TestedThread";
43 
44     static Object waitForStart = new Object();
45 
46     static Object waitForFinish = new Object();
47 
48     DebuggeeThread thrd;
49 
run()50     public void run() {
51         thrd = new DebuggeeThread(TESTED_THREAD, logWriter, synchronizer);
52         try {
53             synchronized (waitForStart) {
54                 thrd.start();
55                 try {
56                     waitForStart.wait();
57                 } catch (InterruptedException e) {
58                     throw new TestErrorException(e);
59                 }
60             }
61             logWriter.println("thread started");
62 
63             synchronized (waitForStart) {
64                 synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_READY);
65             }
66 
67             synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
68         } finally {
69             if (thrd.isAlive()) {
70                 logWriter.println("Thread is alive. Interrupt thread");
71                 thrd.interrupt();
72             }
73         }
74     }
75 
76     class DebuggeeThread extends Thread {
77 
78         LogWriter logWriter;
79 
80         DebuggeeSynchronizer synchronizer;
81 
DebuggeeThread(String name, LogWriter logWriter, DebuggeeSynchronizer synchronizer)82         public DebuggeeThread(String name, LogWriter logWriter,
83                 DebuggeeSynchronizer synchronizer) {
84             super(name);
85             this.logWriter = logWriter;
86             this.synchronizer = synchronizer;
87         }
88 
run()89         public void run() {
90 
91             synchronized (CurrentContendedMonitorDebuggee.waitForFinish) {
92 
93                 synchronized (CurrentContendedMonitorDebuggee.waitForStart) {
94                     CurrentContendedMonitorDebuggee.waitForStart.notifyAll();
95 
96                     try {
97                         logWriter.println("Thread waits on object..");
98                         CurrentContendedMonitorDebuggee.waitForStart.wait();
99                     } catch (InterruptedException e) {
100                         logWriter.println("Expected " + e);
101                         //synchronizer.sendMessage(e.toString());
102                     }
103                 }
104             }
105         }
106     }
107 
main(String[] args)108     public static void main(String[] args) {
109         runDebuggee(CurrentContendedMonitorDebuggee.class);
110     }
111 }
112