1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright (c) 2002, 2025, 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.
*/
package nsk.jdi.ThreadReference.popFrames;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;
// THIS TEST IS LINE NUMBER SENSITIVE
/**
* This is a debuggee class.
*/
public class popframes007t {
static Thread mainThread = null;
static OtherThr auxThr = null;
private Log log;
private IOPipe pipe;
volatile boolean leaveMethod = false;
public static void main(String args[]) {
System.exit(run(args) + Consts.JCK_STATUS_BASE);
}
public static int run(String args[]) {
return new popframes007t().runIt(args);
}
private int runIt(String args[]) {
ArgumentHandler argHandler = new ArgumentHandler(args);
log = argHandler.createDebugeeLog();
pipe = argHandler.createDebugeeIOPipe();
mainThread = Thread.currentThread();
mainThread.setName(popframes007.DEBUGGEE_MAIN_THREAD_NAME);
startThread();
// Now the debuggee is ready for testing
pipe.println(popframes007.COMMAND_READY);
String cmd = pipe.readln();
if (cmd.equals(popframes007.COMMAND_QUIT)) {
killThread(argHandler.getWaitTime()*60000);
log.complain("Debuggee: exiting due to the command "
+ cmd);
return Consts.TEST_PASSED;
}
frameToBePopped();
cmd = pipe.readln();
killThread(argHandler.getWaitTime()*60000);
if (!cmd.equals(popframes007.COMMAND_QUIT)) {
log.complain("TEST BUG: unknown debugger command: "
+ cmd);
return Consts.TEST_FAILED;
}
return Consts.TEST_PASSED;
}
private void frameToBePopped() {
log.display("frameToBePopped: enter frameToBePopped()");
int stopMeHere = 0; // popframes007.DEBUGGEE_STOPATLINE
while(!leaveMethod) { // looping
stopMeHere++; stopMeHere--;
}
log.display("frameToBePopped: leaving frameToBePopped()");
}
private void startThread() {
Object readyObj = new Object();
auxThr = new OtherThr(readyObj,
popframes007.DEBUGGEE_AUX_THREAD_NAME, this);
auxThr.setDaemon(true);
log.display("Debuggee: starting thread \""
+ auxThr.getName() + "\" ...");
synchronized(readyObj) {
auxThr.start();
try {
readyObj.wait(); // wait for the thread's readiness
} catch (InterruptedException e) {
log.complain("TEST FAILURE: Debuggee: waiting for the thread "
+ auxThr + " start: caught " + e);
pipe.println("failed");
System.exit(Consts.JCK_STATUS_BASE +
Consts.TEST_FAILED);
}
}
log.display("Debuggee: the thread \""
+ auxThr.getName() + "\" started");
}
private void killThread(int waitTime) {
auxThr.doExit = true;
try {
auxThr.join(waitTime);
log.display("Debuggee: thread \""
+ auxThr.getName() + "\" done");
} catch (InterruptedException e) {
log.complain("TEST FAILURE: Debuggee: joining the thread \""
+ auxThr.getName() + "\": caught " + e);
}
}
/**
* This is an auxiliary thread class used to check frame popping
* in the debugger.
*/
class OtherThr extends Thread {
volatile boolean doExit = false;
private Object readyObj;
private popframes007t mainThrObj;
OtherThr(Object readyObj, String name, popframes007t mainThrObj) {
super(name);
this.readyObj = readyObj;
this.mainThrObj = mainThrObj;
}
public void run() {
// var used by debugger for searching needed stack frame
popframes007t popframes007tFindMe = mainThrObj;
Thread thr = Thread.currentThread();
synchronized(readyObj) {
readyObj.notify(); // notify the main thread
}
log.display("Debuggee thread \""
+ thr.getName() + "\": going to loop");
while(!doExit) {
int i = 0;
i++; i--;
// reliable analogue of Thread.yield()
synchronized(this) {
try {
this.wait(30);
} catch (InterruptedException e) {
e.printStackTrace(log.getOutStream());
log.complain("TEST FAILURE: Debuggee thread \""
+ thr.getName()
+ "\" interrupted while sleeping:\n\t" + e);
break;
}
}
}
log.display("Debuggee thread \""
+ thr.getName() + "\" exiting ...");
}
}
/////////////////////////////////////////////////////////////////////////////
}
|
