src/share/vm/memory/referenceType.hpp

Tue, 16 Feb 2016 21:42:29 +0000

author
poonam
date
Tue, 16 Feb 2016 21:42:29 +0000
changeset 8308
6acf14e730dd
parent 7469
01dcaba9b3f3
permissions
-rw-r--r--

8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
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aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef SHARE_VM_MEMORY_REFRERENCETYPE_HPP
aoqi@0 26 #define SHARE_VM_MEMORY_REFRERENCETYPE_HPP
aoqi@0 27
aoqi@0 28 #include "utilities/debug.hpp"
aoqi@0 29
aoqi@0 30 // ReferenceType is used to distinguish between java/lang/ref/Reference subclasses
aoqi@0 31
aoqi@0 32 enum ReferenceType {
aoqi@0 33 REF_NONE, // Regular class
aoqi@0 34 REF_OTHER, // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
aoqi@0 35 REF_SOFT, // Subclass of java/lang/ref/SoftReference
aoqi@0 36 REF_WEAK, // Subclass of java/lang/ref/WeakReference
aoqi@0 37 REF_FINAL, // Subclass of java/lang/ref/FinalReference
jmasa@7469 38 REF_PHANTOM, // Subclass of java/lang/ref/PhantomReference
jmasa@7469 39 REF_CLEANER // Subclass of sun/misc/Cleaner
aoqi@0 40 };
aoqi@0 41
aoqi@0 42 #endif // SHARE_VM_MEMORY_REFRERENCETYPE_HPP

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