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8147543: Remove sun.misc.ManagedLocalsThread

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Reviewed-by: rriggs
This commit is contained in:
Chris Hegarty 2016-04-24 08:51:04 +01:00
parent 6c1f9eea71
commit 3f14fca965
1 changed files with 0 additions and 92 deletions
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92
jdk/src/jdk.unsupported/share/classes/sun/misc/ManagedLocalsThread.java
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@ -1,92 +0,0 @@
/*
* Copyright (c) 2014, 2015, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.misc;
/**
* A thread that has it's thread locals, and inheritable thread
* locals erased on construction.
*/
public class ManagedLocalsThread extends Thread {
private static final jdk.internal.misc.Unsafe UNSAFE;
private static final long THREAD_LOCALS;
private static final long INHERITABLE_THREAD_LOCALS;
public ManagedLocalsThread() {
eraseThreadLocals();
}
public ManagedLocalsThread(Runnable target) {
super(target);
eraseThreadLocals();
}
public ManagedLocalsThread(String name) {
super(name);
eraseThreadLocals();
}
public ManagedLocalsThread(ThreadGroup group, Runnable target) {
super(group, target);
eraseThreadLocals();
}
public ManagedLocalsThread(Runnable target, String name) {
super(target, name);
eraseThreadLocals();
}
public ManagedLocalsThread(ThreadGroup group, String name) {
super(group, name);
eraseThreadLocals();
}
public ManagedLocalsThread(ThreadGroup group, Runnable target, String name) {
super(group, target, name);
eraseThreadLocals();
}
/**
* Drops all thread locals (and inherited thread locals).
*/
public final void eraseThreadLocals() {
UNSAFE.putObject(this, THREAD_LOCALS, null);
UNSAFE.putObject(this, INHERITABLE_THREAD_LOCALS, null);
}
static {
UNSAFE = jdk.internal.misc.Unsafe.getUnsafe();
Class<?> t = Thread.class;
try {
THREAD_LOCALS = UNSAFE.objectFieldOffset
(t.getDeclaredField("threadLocals"));
INHERITABLE_THREAD_LOCALS = UNSAFE.objectFieldOffset
(t.getDeclaredField("inheritableThreadLocals"));
} catch (Exception e) {
throw new Error(e);
}
}
}