Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/OSThread.java @ 17736:58fc1b1523dc
8034079: G1: Refactor the HeapRegionSet hierarchy
Reviewed-by: tschatzl, pliden
author | brutisso |
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date | Fri, 14 Mar 2014 10:15:46 +0100 |
parents | 22a5aff0df0b |
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0 | 1 /* |
7974 | 2 * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.types.*; | |
30 | |
31 // The OSThread class holds OS-specific thread information. It is equivalent | |
32 // to the sys_thread_t structure of the classic JVM implementation. | |
33 public class OSThread extends VMObject { | |
34 private static JIntField interruptedField; | |
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8019396: SA-JDI OSThread class initialization throws an exception
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35 private static Field threadIdField; |
0 | 36 static { |
37 VM.registerVMInitializedObserver(new Observer() { | |
38 public void update(Observable o, Object data) { | |
39 initialize(VM.getVM().getTypeDataBase()); | |
40 } | |
41 }); | |
42 } | |
43 | |
44 private static synchronized void initialize(TypeDataBase db) { | |
45 Type type = db.lookupType("OSThread"); | |
46 interruptedField = type.getJIntField("_interrupted"); | |
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47 threadIdField = type.getField("_thread_id"); |
0 | 48 } |
49 | |
50 public OSThread(Address addr) { | |
51 super(addr); | |
52 } | |
53 | |
54 public boolean interrupted() { | |
55 return ((int)interruptedField.getValue(addr)) != 0; | |
56 } | |
7974 | 57 |
58 public int threadId() { | |
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59 return threadIdField.getJInt(addr); |
7974 | 60 } |
61 | |
0 | 62 } |