Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/OSThread.java @ 8065:f82bcc429e8c
8007901: SA: Don't read flag values as constants
Reviewed-by: dholmes, mikael
| author | sla |
|---|---|
| date | Mon, 18 Feb 2013 10:43:07 +0100 |
| parents | 43badbe2717a |
| children | 22a5aff0df0b |
| rev | line source |
|---|---|
| 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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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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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; | |
| 7974 | 35 private static JIntField 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"); | |
| 7974 | 47 threadIdField = type.getJIntField("_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() { | |
| 59 return (int)threadIdField.getValue(addr); | |
| 60 } | |
| 61 | |
| 0 | 62 } |