author | redestad |
Thu, 24 Oct 2019 09:57:29 +0200 | |
changeset 58775 | ba524a5f7cc2 |
parent 50260 | 46c67f5e27c2 |
permissions | -rw-r--r-- |
50260
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
1 |
/* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
2 |
* Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
4 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
8 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
13 |
* accompanied this code). |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
14 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
18 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
21 |
* questions. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
22 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
23 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
24 |
package java.lang; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
25 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
26 |
import nsk.jvmti.scenarios.bcinstr.BI04.bi04t002a; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
27 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
28 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
29 |
* Class <code>Object</code> is the root of the class hierarchy. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
30 |
* Every class has <code>Object</code> as a superclass. All objects, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
31 |
* including arrays, implement the methods of this class. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
32 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
33 |
* @author unascribed |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
34 |
* @version 1.67, 02/03/04 |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
35 |
* @see java.lang.Class |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
36 |
* @since JDK1.0 |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
37 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
38 |
public class Object { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
39 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
40 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
41 |
* Returns the runtime class of an object. That <tt>Class</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
42 |
* object is the object that is locked by <tt>static synchronized</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
43 |
* methods of the represented class. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
44 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
45 |
* @return The <code>java.lang.Class</code> object that represents |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
46 |
* the runtime class of the object. The result is of type |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
47 |
* {@code Class<? extends X>} where X is the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
48 |
* static type of the expression on which |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
49 |
* <code>getClass</code> is called. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
50 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
51 |
public final native Class<? extends Object> getClass(); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
52 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
53 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
54 |
* Returns a hash code value for the object. This method is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
55 |
* supported for the benefit of hashtables such as those provided by |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
56 |
* <code>java.util.Hashtable</code>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
57 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
58 |
* The general contract of <code>hashCode</code> is: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
59 |
* <ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
60 |
* <li>Whenever it is invoked on the same object more than once during |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
61 |
* an execution of a Java application, the <tt>hashCode</tt> method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
62 |
* must consistently return the same integer, provided no information |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
63 |
* used in <tt>equals</tt> comparisons on the object is modified. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
64 |
* This integer need not remain consistent from one execution of an |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
65 |
* application to another execution of the same application. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
66 |
* <li>If two objects are equal according to the <tt>equals(Object)</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
67 |
* method, then calling the <code>hashCode</code> method on each of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
68 |
* the two objects must produce the same integer result. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
69 |
* <li>It is <em>not</em> required that if two objects are unequal |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
70 |
* according to the {@link java.lang.Object#equals(java.lang.Object)} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
71 |
* method, then calling the <tt>hashCode</tt> method on each of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
72 |
* two objects must produce distinct integer results. However, the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
73 |
* programmer should be aware that producing distinct integer results |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
74 |
* for unequal objects may improve the performance of hashtables. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
75 |
* </ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
76 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
77 |
* As much as is reasonably practical, the hashCode method defined by |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
78 |
* class <tt>Object</tt> does return distinct integers for distinct |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
79 |
* objects. (This is typically implemented by converting the internal |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
80 |
* address of the object into an integer, but this implementation |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
81 |
* technique is not required by the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
82 |
* Java<font size="-2"><sup>TM</sup></font> programming language.) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
83 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
84 |
* @return a hash code value for this object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
85 |
* @see java.lang.Object#equals(java.lang.Object) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
86 |
* @see java.util.Hashtable |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
87 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
88 |
public native int hashCode(); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
89 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
90 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
91 |
* Indicates whether some other object is "equal to" this one. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
92 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
93 |
* The <code>equals</code> method implements an equivalence relation |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
94 |
* on non-null object references: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
95 |
* <ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
96 |
* <li>It is <i>reflexive</i>: for any non-null reference value |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
97 |
* <code>x</code>, <code>x.equals(x)</code> should return |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
98 |
* <code>true</code>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
99 |
* <li>It is <i>symmetric</i>: for any non-null reference values |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
100 |
* <code>x</code> and <code>y</code>, <code>x.equals(y)</code> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
101 |
* should return <code>true</code> if and only if |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
102 |
* <code>y.equals(x)</code> returns <code>true</code>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
103 |
* <li>It is <i>transitive</i>: for any non-null reference values |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
104 |
* <code>x</code>, <code>y</code>, and <code>z</code>, if |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
105 |
* <code>x.equals(y)</code> returns <code>true</code> and |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
106 |
* <code>y.equals(z)</code> returns <code>true</code>, then |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
107 |
* <code>x.equals(z)</code> should return <code>true</code>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
108 |
* <li>It is <i>consistent</i>: for any non-null reference values |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
109 |
* <code>x</code> and <code>y</code>, multiple invocations of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
110 |
* <tt>x.equals(y)</tt> consistently return <code>true</code> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
111 |
* or consistently return <code>false</code>, provided no |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
112 |
* information used in <code>equals</code> comparisons on the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
113 |
* objects is modified. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
114 |
* <li>For any non-null reference value <code>x</code>, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
115 |
* <code>x.equals(null)</code> should return <code>false</code>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
116 |
* </ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
117 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
118 |
* The <tt>equals</tt> method for class <code>Object</code> implements |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
119 |
* the most discriminating possible equivalence relation on objects; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
120 |
* that is, for any non-null reference values <code>x</code> and |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
121 |
* <code>y</code>, this method returns <code>true</code> if and only |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
122 |
* if <code>x</code> and <code>y</code> refer to the same object |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
123 |
* (<code>x == y</code> has the value <code>true</code>). |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
124 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
125 |
* Note that it is generally necessary to override the <tt>hashCode</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
126 |
* method whenever this method is overridden, so as to maintain the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
127 |
* general contract for the <tt>hashCode</tt> method, which states |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
128 |
* that equal objects must have equal hash codes. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
129 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
130 |
* @param obj the reference object with which to compare. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
131 |
* @return <code>true</code> if this object is the same as the obj |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
132 |
* argument; <code>false</code> otherwise. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
133 |
* @see #hashCode() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
134 |
* @see java.util.Hashtable |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
135 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
136 |
public boolean equals(Object obj) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
137 |
bi04t002a.instrInvoke(bi04t002a.INSTR_EQUALS); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
138 |
return (this == obj); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
139 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
140 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
141 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
142 |
* Creates and returns a copy of this object. The precise meaning |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
143 |
* of "copy" may depend on the class of the object. The general |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
144 |
* intent is that, for any object <tt>x</tt>, the expression: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
145 |
* <blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
146 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
147 |
* x.clone() != x</pre></blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
148 |
* will be true, and that the expression: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
149 |
* <blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
150 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
151 |
* x.clone().getClass() == x.getClass()</pre></blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
152 |
* will be <tt>true</tt>, but these are not absolute requirements. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
153 |
* While it is typically the case that: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
154 |
* <blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
155 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
156 |
* x.clone().equals(x)</pre></blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
157 |
* will be <tt>true</tt>, this is not an absolute requirement. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
158 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
159 |
* By convention, the returned object should be obtained by calling |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
160 |
* <tt>super.clone</tt>. If a class and all of its superclasses (except |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
161 |
* <tt>Object</tt>) obey this convention, it will be the case that |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
162 |
* <tt>x.clone().getClass() == x.getClass()</tt>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
163 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
164 |
* By convention, the object returned by this method should be independent |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
165 |
* of this object (which is being cloned). To achieve this independence, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
166 |
* it may be necessary to modify one or more fields of the object returned |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
167 |
* by <tt>super.clone</tt> before returning it. Typically, this means |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
168 |
* copying any mutable objects that comprise the internal "deep structure" |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
169 |
* of the object being cloned and replacing the references to these |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
170 |
* objects with references to the copies. If a class contains only |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
171 |
* primitive fields or references to immutable objects, then it is usually |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
172 |
* the case that no fields in the object returned by <tt>super.clone</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
173 |
* need to be modified. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
174 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
175 |
* The method <tt>clone</tt> for class <tt>Object</tt> performs a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
176 |
* specific cloning operation. First, if the class of this object does |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
177 |
* not implement the interface <tt>Cloneable</tt>, then a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
178 |
* <tt>CloneNotSupportedException</tt> is thrown. Note that all arrays |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
179 |
* are considered to implement the interface <tt>Cloneable</tt>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
180 |
* Otherwise, this method creates a new instance of the class of this |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
181 |
* object and initializes all its fields with exactly the contents of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
182 |
* the corresponding fields of this object, as if by assignment; the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
183 |
* contents of the fields are not themselves cloned. Thus, this method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
184 |
* performs a "shallow copy" of this object, not a "deep copy" operation. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
185 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
186 |
* The class <tt>Object</tt> does not itself implement the interface |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
187 |
* <tt>Cloneable</tt>, so calling the <tt>clone</tt> method on an object |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
188 |
* whose class is <tt>Object</tt> will result in throwing an |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
189 |
* exception at run time. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
190 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
191 |
* @return a clone of this instance. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
192 |
* @exception CloneNotSupportedException if the object's class does not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
193 |
* support the <code>Cloneable</code> interface. Subclasses |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
194 |
* that override the <code>clone</code> method can also |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
195 |
* throw this exception to indicate that an instance cannot |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
196 |
* be cloned. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
197 |
* @see java.lang.Cloneable |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
198 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
199 |
protected native Object clone() throws CloneNotSupportedException; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
200 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
201 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
202 |
* Returns a string representation of the object. In general, the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
203 |
* <code>toString</code> method returns a string that |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
204 |
* "textually represents" this object. The result should |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
205 |
* be a concise but informative representation that is easy for a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
206 |
* person to read. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
207 |
* It is recommended that all subclasses override this method. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
208 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
209 |
* The <code>toString</code> method for class <code>Object</code> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
210 |
* returns a string consisting of the name of the class of which the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
211 |
* object is an instance, the at-sign character `<code>@</code>', and |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
212 |
* the unsigned hexadecimal representation of the hash code of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
213 |
* object. In other words, this method returns a string equal to the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
214 |
* value of: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
215 |
* <blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
216 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
217 |
* getClass().getName() + '@' + Integer.toHexString(hashCode()) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
218 |
* </pre></blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
219 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
220 |
* @return a string representation of the object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
221 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
222 |
public String toString() { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
223 |
bi04t002a.instrInvoke(bi04t002a.INSTR_TOSTRING); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
224 |
return getClass().getName() + "@" + Integer.toHexString(hashCode()); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
225 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
226 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
227 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
228 |
* Wakes up a single thread that is waiting on this object's |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
229 |
* monitor. If any threads are waiting on this object, one of them |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
230 |
* is chosen to be awakened. The choice is arbitrary and occurs at |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
231 |
* the discretion of the implementation. A thread waits on an object's |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
232 |
* monitor by calling one of the <code>wait</code> methods. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
233 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
234 |
* The awakened thread will not be able to proceed until the current |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
235 |
* thread relinquishes the lock on this object. The awakened thread will |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
236 |
* compete in the usual manner with any other threads that might be |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
237 |
* actively competing to synchronize on this object; for example, the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
238 |
* awakened thread enjoys no reliable privilege or disadvantage in being |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
239 |
* the next thread to lock this object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
240 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
241 |
* This method should only be called by a thread that is the owner |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
242 |
* of this object's monitor. A thread becomes the owner of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
243 |
* object's monitor in one of three ways: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
244 |
* <ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
245 |
* <li>By executing a synchronized instance method of that object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
246 |
* <li>By executing the body of a <code>synchronized</code> statement |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
247 |
* that synchronizes on the object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
248 |
* <li>For objects of type <code>Class,</code> by executing a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
249 |
* synchronized static method of that class. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
250 |
* </ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
251 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
252 |
* Only one thread at a time can own an object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
253 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
254 |
* @exception IllegalMonitorStateException if the current thread is not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
255 |
* the owner of this object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
256 |
* @see java.lang.Object#notifyAll() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
257 |
* @see java.lang.Object#wait() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
258 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
259 |
public final native void notify(); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
260 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
261 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
262 |
* Wakes up all threads that are waiting on this object's monitor. A |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
263 |
* thread waits on an object's monitor by calling one of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
264 |
* <code>wait</code> methods. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
265 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
266 |
* The awakened threads will not be able to proceed until the current |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
267 |
* thread relinquishes the lock on this object. The awakened threads |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
268 |
* will compete in the usual manner with any other threads that might |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
269 |
* be actively competing to synchronize on this object; for example, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
270 |
* the awakened threads enjoy no reliable privilege or disadvantage in |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
271 |
* being the next thread to lock this object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
272 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
273 |
* This method should only be called by a thread that is the owner |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
274 |
* of this object's monitor. See the <code>notify</code> method for a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
275 |
* description of the ways in which a thread can become the owner of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
276 |
* a monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
277 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
278 |
* @exception IllegalMonitorStateException if the current thread is not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
279 |
* the owner of this object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
280 |
* @see java.lang.Object#notify() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
281 |
* @see java.lang.Object#wait() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
282 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
283 |
public final native void notifyAll(); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
284 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
285 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
286 |
* Causes current thread to wait until either another thread invokes the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
287 |
* {@link java.lang.Object#notify()} method or the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
288 |
* {@link java.lang.Object#notifyAll()} method for this object, or a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
289 |
* specified amount of time has elapsed. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
290 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
291 |
* The current thread must own this object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
292 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
293 |
* This method causes the current thread (call it <var>T</var>) to |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
294 |
* place itself in the wait set for this object and then to relinquish |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
295 |
* any and all synchronization claims on this object. Thread <var>T</var> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
296 |
* becomes disabled for thread scheduling purposes and lies dormant |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
297 |
* until one of four things happens: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
298 |
* <ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
299 |
* <li>Some other thread invokes the <tt>notify</tt> method for this |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
300 |
* object and thread <var>T</var> happens to be arbitrarily chosen as |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
301 |
* the thread to be awakened. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
302 |
* <li>Some other thread invokes the <tt>notifyAll</tt> method for this |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
303 |
* object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
304 |
* <li>Some other thread {@link java.lang.Thread#interrupt() interrupts} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
305 |
* thread <var>T</var>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
306 |
* <li>The specified amount of real time has elapsed, more or less. If |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
307 |
* <tt>timeout</tt> is zero, however, then real time is not taken into |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
308 |
* consideration and the thread simply waits until notified. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
309 |
* </ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
310 |
* The thread <var>T</var> is then removed from the wait set for this |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
311 |
* object and re-enabled for thread scheduling. It then competes in the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
312 |
* usual manner with other threads for the right to synchronize on the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
313 |
* object; once it has gained control of the object, all its |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
314 |
* synchronization claims on the object are restored to the status quo |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
315 |
* ante - that is, to the situation as of the time that the <tt>wait</tt> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
316 |
* method was invoked. Thread <var>T</var> then returns from the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
317 |
* invocation of the <tt>wait</tt> method. Thus, on return from the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
318 |
* <tt>wait</tt> method, the synchronization state of the object and of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
319 |
* thread <tt>T</tt> is exactly as it was when the <tt>wait</tt> method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
320 |
* was invoked. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
321 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
322 |
* A thread can also wake up without being notified, interrupted, or |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
323 |
* timing out, a so-called <i>spurious wakeup</i>. While this will rarely |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
324 |
* occur in practice, applications must guard against it by testing for |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
325 |
* the condition that should have caused the thread to be awakened, and |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
326 |
* continuing to wait if the condition is not satisfied. In other words, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
327 |
* waits should always occur in loops, like this one: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
328 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
329 |
* synchronized (obj) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
330 |
* while (<condition does not hold>) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
331 |
* obj.wait(timeout); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
332 |
* ... // Perform action appropriate to condition |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
333 |
* } |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
334 |
* </pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
335 |
* (For more information on this topic, see Section 3.2.3 in Doug Lea's |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
336 |
* "Concurrent Programming in Java (Second Edition)" (Addison-Wesley, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
337 |
* 2000), or Item 50 in Joshua Bloch's "Effective Java Programming |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
338 |
* Language Guide" (Addison-Wesley, 2001). |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
339 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
340 |
* If the current thread is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
341 |
* {@link java.lang.Thread#interrupt() interrupted} by another thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
342 |
* while it is waiting, then an <tt>InterruptedException</tt> is thrown. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
343 |
* This exception is not thrown until the lock status of this object has |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
344 |
* been restored as described above. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
345 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
346 |
* Note that the <tt>wait</tt> method, as it places the current thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
347 |
* into the wait set for this object, unlocks only this object; any |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
348 |
* other objects on which the current thread may be synchronized remain |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
349 |
* locked while the thread waits. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
350 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
351 |
* This method should only be called by a thread that is the owner |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
352 |
* of this object's monitor. See the <code>notify</code> method for a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
353 |
* description of the ways in which a thread can become the owner of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
354 |
* a monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
355 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
356 |
* @param timeout the maximum time to wait in milliseconds. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
357 |
* @exception IllegalArgumentException if the value of timeout is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
358 |
* negative. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
359 |
* @exception IllegalMonitorStateException if the current thread is not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
360 |
* the owner of the object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
361 |
* @exception InterruptedException if another thread interrupted the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
362 |
* current thread before or while the current thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
363 |
* was waiting for a notification. The <i>interrupted |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
364 |
* status</i> of the current thread is cleared when |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
365 |
* this exception is thrown. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
366 |
* @see java.lang.Object#notify() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
367 |
* @see java.lang.Object#notifyAll() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
368 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
369 |
public final native void wait(long timeout) throws InterruptedException; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
370 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
371 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
372 |
* Causes current thread to wait until another thread invokes the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
373 |
* {@link java.lang.Object#notify()} method or the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
374 |
* {@link java.lang.Object#notifyAll()} method for this object, or |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
375 |
* some other thread interrupts the current thread, or a certain |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
376 |
* amount of real time has elapsed. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
377 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
378 |
* This method is similar to the <code>wait</code> method of one |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
379 |
* argument, but it allows finer control over the amount of time to |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
380 |
* wait for a notification before giving up. The amount of real time, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
381 |
* measured in nanoseconds, is given by: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
382 |
* <blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
383 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
384 |
* 1000000*timeout+nanos</pre></blockquote> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
385 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
386 |
* In all other respects, this method does the same thing as the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
387 |
* method {@link #wait(long)} of one argument. In particular, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
388 |
* <tt>wait(0, 0)</tt> means the same thing as <tt>wait(0)</tt>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
389 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
390 |
* The current thread must own this object's monitor. The thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
391 |
* releases ownership of this monitor and waits until either of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
392 |
* following two conditions has occurred: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
393 |
* <ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
394 |
* <li>Another thread notifies threads waiting on this object's monitor |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
395 |
* to wake up either through a call to the <code>notify</code> method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
396 |
* or the <code>notifyAll</code> method. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
397 |
* <li>The timeout period, specified by <code>timeout</code> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
398 |
* milliseconds plus <code>nanos</code> nanoseconds arguments, has |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
399 |
* elapsed. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
400 |
* </ul> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
401 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
402 |
* The thread then waits until it can re-obtain ownership of the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
403 |
* monitor and resumes execution. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
404 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
405 |
* As in the one argument version, interrupts and spurious wakeups are |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
406 |
* possible, and this method should always be used in a loop: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
407 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
408 |
* synchronized (obj) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
409 |
* while (<condition does not hold>) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
410 |
* obj.wait(timeout, nanos); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
411 |
* ... // Perform action appropriate to condition |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
412 |
* } |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
413 |
* </pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
414 |
* This method should only be called by a thread that is the owner |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
415 |
* of this object's monitor. See the <code>notify</code> method for a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
416 |
* description of the ways in which a thread can become the owner of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
417 |
* a monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
418 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
419 |
* @param timeout the maximum time to wait in milliseconds. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
420 |
* @param nanos additional time, in nanoseconds range |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
421 |
* 0-999999. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
422 |
* @exception IllegalArgumentException if the value of timeout is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
423 |
* negative or the value of nanos is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
424 |
* not in the range 0-999999. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
425 |
* @exception IllegalMonitorStateException if the current thread is not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
426 |
* the owner of this object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
427 |
* @exception InterruptedException if another thread interrupted the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
428 |
* current thread before or while the current thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
429 |
* was waiting for a notification. The <i>interrupted |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
430 |
* status</i> of the current thread is cleared when |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
431 |
* this exception is thrown. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
432 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
433 |
public final void wait(long timeout, int nanos) throws InterruptedException { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
434 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
435 |
bi04t002a.instrInvoke(bi04t002a.INSTR_WAIT_JI); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
436 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
437 |
if (timeout < 0) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
438 |
throw new IllegalArgumentException("timeout value is negative"); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
439 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
440 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
441 |
if (nanos < 0 || nanos > 999999) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
442 |
throw new IllegalArgumentException( |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
443 |
"nanosecond timeout value out of range"); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
444 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
445 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
446 |
if (nanos >= 500000 || (nanos != 0 && timeout == 0)) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
447 |
timeout++; |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
448 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
449 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
450 |
wait(timeout); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
451 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
452 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
453 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
454 |
* Causes current thread to wait until another thread invokes the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
455 |
* {@link java.lang.Object#notify()} method or the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
456 |
* {@link java.lang.Object#notifyAll()} method for this object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
457 |
* In other words, this method behaves exactly as if it simply |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
458 |
* performs the call <tt>wait(0)</tt>. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
459 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
460 |
* The current thread must own this object's monitor. The thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
461 |
* releases ownership of this monitor and waits until another thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
462 |
* notifies threads waiting on this object's monitor to wake up |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
463 |
* either through a call to the <code>notify</code> method or the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
464 |
* <code>notifyAll</code> method. The thread then waits until it can |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
465 |
* re-obtain ownership of the monitor and resumes execution. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
466 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
467 |
* As in the one argument version, interrupts and spurious wakeups are |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
468 |
* possible, and this method should always be used in a loop: |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
469 |
* <pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
470 |
* synchronized (obj) { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
471 |
* while (<condition does not hold>) |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
472 |
* obj.wait(); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
473 |
* ... // Perform action appropriate to condition |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
474 |
* } |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
475 |
* </pre> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
476 |
* This method should only be called by a thread that is the owner |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
477 |
* of this object's monitor. See the <code>notify</code> method for a |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
478 |
* description of the ways in which a thread can become the owner of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
479 |
* a monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
480 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
481 |
* @exception IllegalMonitorStateException if the current thread is not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
482 |
* the owner of the object's monitor. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
483 |
* @exception InterruptedException if another thread interrupted the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
484 |
* current thread before or while the current thread |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
485 |
* was waiting for a notification. The <i>interrupted |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
486 |
* status</i> of the current thread is cleared when |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
487 |
* this exception is thrown. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
488 |
* @see java.lang.Object#notify() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
489 |
* @see java.lang.Object#notifyAll() |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
490 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
491 |
public final void wait() throws InterruptedException { |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
492 |
bi04t002a.instrInvoke(bi04t002a.INSTR_WAIT); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
493 |
wait(0); |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
494 |
} |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
495 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
496 |
/** |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
497 |
* Called by the garbage collector on an object when garbage collection |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
498 |
* determines that there are no more references to the object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
499 |
* A subclass overrides the <code>finalize</code> method to dispose of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
500 |
* system resources or to perform other cleanup. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
501 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
502 |
* The general contract of <tt>finalize</tt> is that it is invoked |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
503 |
* if and when the Java<font size="-2"><sup>TM</sup></font> virtual |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
504 |
* machine has determined that there is no longer any |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
505 |
* means by which this object can be accessed by any thread that has |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
506 |
* not yet died, except as a result of an action taken by the |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
507 |
* finalization of some other object or class which is ready to be |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
508 |
* finalized. The <tt>finalize</tt> method may take any action, including |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
509 |
* making this object available again to other threads; the usual purpose |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
510 |
* of <tt>finalize</tt>, however, is to perform cleanup actions before |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
511 |
* the object is irrevocably discarded. For example, the finalize method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
512 |
* for an object that represents an input/output connection might perform |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
513 |
* explicit I/O transactions to break the connection before the object is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
514 |
* permanently discarded. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
515 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
516 |
* The <tt>finalize</tt> method of class <tt>Object</tt> performs no |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
517 |
* special action; it simply returns normally. Subclasses of |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
518 |
* <tt>Object</tt> may override this definition. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
519 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
520 |
* The Java programming language does not guarantee which thread will |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
521 |
* invoke the <tt>finalize</tt> method for any given object. It is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
522 |
* guaranteed, however, that the thread that invokes finalize will not |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
523 |
* be holding any user-visible synchronization locks when finalize is |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
524 |
* invoked. If an uncaught exception is thrown by the finalize method, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
525 |
* the exception is ignored and finalization of that object terminates. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
526 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
527 |
* After the <tt>finalize</tt> method has been invoked for an object, no |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
528 |
* further action is taken until the Java virtual machine has again |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
529 |
* determined that there is no longer any means by which this object can |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
530 |
* be accessed by any thread that has not yet died, including possible |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
531 |
* actions by other objects or classes which are ready to be finalized, |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
532 |
* at which point the object may be discarded. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
533 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
534 |
* The <tt>finalize</tt> method is never invoked more than once by a Java |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
535 |
* virtual machine for any given object. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
536 |
* <p> |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
537 |
* Any exception thrown by the <code>finalize</code> method causes |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
538 |
* the finalization of this object to be halted, but is otherwise |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
539 |
* ignored. |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
540 |
* |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
541 |
* @throws Throwable the <code>Exception</code> raised by this method |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
542 |
*/ |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
543 |
protected void finalize() throws Throwable { } |
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
544 |
|
46c67f5e27c2
8199383: [TESTBUG] Open source VM testbase JVMTI tests
iignatyev
parents:
diff
changeset
|
545 |
} |