69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
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/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal.ref;
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import java.lang.ref.Cleaner;
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/**
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* CleanerFactory provides a Cleaner for use within system modules.
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* The cleaner is created on the first reference to the CleanerFactory.
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*/
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public final class CleanerFactory {
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/* The common Cleaner. */
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// Android-changed: objects registered in the system cleaner are cleaned
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// by the finalizer daemon thread, not in a InnocuousThread.
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/*
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private final static Cleaner commonCleaner = Cleaner.create(new ThreadFactory() {
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@Override
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public Thread newThread(Runnable r) {
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return AccessController.doPrivileged(new PrivilegedAction<>() {
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@Override
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public Thread run() {
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Thread t = InnocuousThread.newSystemThread("Common-Cleaner", r);
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t.setPriority(Thread.MAX_PRIORITY - 2);
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return t;
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}
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});
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}
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});
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*/
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private static final Cleaner commonCleaner = Cleaner.createSystemCleaner();
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/**
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* Cleaner for use within system modules.
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*
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* This Cleaner will run on a thread whose context class loader
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* is {@code null}. The system cleaning action to perform in
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* this Cleaner should handle a {@code null} context class loader.
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*
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* @return a Cleaner for use within system modules
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*/
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public static Cleaner cleaner() {
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return commonCleaner;
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}
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}
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