Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/LazyType.java @ 650:54782a4cd321
6812971: SA: re-attaching to process fails
Summary: After attaching, de-attaching SA from a process, the second time attach() call fails. This happens because in VM.initialize(), Universe does not get re-initialized before it is accessed.
Reviewed-by: swamyv
author | poonam |
---|---|
date | Sun, 15 Mar 2009 18:11:46 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.debugger.cdbg.basic; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.utilities.Assert; public class LazyType extends BasicType { private Object key; private int cvAttributes; public LazyType(Object key) { this(key, 0); } private LazyType(Object key, int cvAttributes) { super(null, 0, cvAttributes); if (Assert.ASSERTS_ENABLED) { Assert.that(key != null, "key must not be null"); } this.key = key; this.cvAttributes = cvAttributes; } public boolean isLazy() { return true; } public Object getKey() { return key; } Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { BasicType t = (BasicType) db.resolveType(this, this, listener, "resolving lazy type"); // Returned type might be lazy if there was an error if (t.isLazy()) { return this; } if (cvAttributes != 0) { return t.getCVVariant(cvAttributes); } return t; } public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {} protected Type createCVVariant(int cvAttributes) { return new LazyType(key, cvAttributes); } public void visit(TypeVisitor v) {} }