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comparison agent/src/share/classes/sun/jvm/hotspot/jdi/MonitorInfoImpl.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.jdi;
26
27 import com.sun.jdi.*;
28
29 // FIXME: This class should implement com.sun.jdi.MonitorInfo.
30 // So fix this when hotspot is started to build with
31 // jdk1.6.
32 public class MonitorInfoImpl extends MirrorImpl {
33
34 /* Once false, monitorInfo should not be used.
35 * access synchronized on (vm.state())
36 */
37 private boolean isValid = true;
38
39 ObjectReference monitor;
40 ThreadReference thread;
41 int stack_depth;
42
43 MonitorInfoImpl(VirtualMachine vm, ObjectReference mon,
44 ThreadReference thread, int dpth) {
45 super(vm);
46 this.monitor = mon;
47 this.thread = thread;
48 this.stack_depth = dpth;
49 }
50
51 private void validateMonitorInfo() {
52 if (!isValid) {
53 throw new InvalidStackFrameException("Thread has been resumed");
54 }
55 }
56
57 public ObjectReference monitor() {
58 validateMonitorInfo();
59 return monitor;
60 }
61
62 public int stackDepth() {
63 validateMonitorInfo();
64 return stack_depth;
65 }
66
67 public ThreadReference thread() {
68 validateMonitorInfo();
69 return thread;
70 }
71 }