Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/utilities/LivenessPathElement.java @ 11060:068b406e307f
7060111: race condition in VMError::report_and_die()
Reviewed-by: zgu, coleenp
Contributed-by: volker.simonis@gmail.com
author | fparain |
---|---|
date | Mon, 01 Jul 2013 09:13:19 +0000 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.utilities; import sun.jvm.hotspot.oops.*; /** Describes an element in a {@link sun.jvm.hotspot.utilities.LivenessPath}. It indicates that the field in the given object leads to the next element in the path. Root elements do not have an object; the terminal element in the path does not have a field identifier. */ public class LivenessPathElement { LivenessPathElement(Oop obj, FieldIdentifier id) { this.obj = obj; this.id = id; } public boolean isRoot() { return (obj == null); } public boolean isTerminal() { return (id == null); } public Oop getObj() { return obj; } public FieldIdentifier getField() { return id; } //--------------------------------------------------------------------------- // Internals only below this point // private Oop obj; private FieldIdentifier id; }