| /* |
| * Copyright (c) 2012, 2013, 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. |
| * |
| */ |
| |
| #ifndef SHARE_VM_MEMORY_REFRERENCETYPE_HPP |
| #define SHARE_VM_MEMORY_REFRERENCETYPE_HPP |
| |
| #include "utilities/debug.hpp" |
| |
| // ReferenceType is used to distinguish between java/lang/ref/Reference subclasses |
| |
| enum ReferenceType { |
| REF_NONE, // Regular class |
| REF_OTHER, // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below |
| REF_SOFT, // Subclass of java/lang/ref/SoftReference |
| REF_WEAK, // Subclass of java/lang/ref/WeakReference |
| REF_FINAL, // Subclass of java/lang/ref/FinalReference |
| REF_PHANTOM, // Subclass of java/lang/ref/PhantomReference |
| REF_CLEANER // Subclass of sun/misc/Cleaner |
| }; |
| |
| #endif // SHARE_VM_MEMORY_REFRERENCETYPE_HPP |
