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8291897: TerminatingThreadLocal(s) not registered from virtual thread(s)
Backport-of: 861cc67
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Rob McKenna
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Sep 13, 2022
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57 changes: 57 additions & 0 deletions
57
src/java.base/share/classes/jdk/internal/misc/CarrierThreadLocal.java
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/* | ||
* Copyright (c) 2022, 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. | ||
*/ | ||
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package jdk.internal.misc; | ||
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import jdk.internal.access.JavaLangAccess; | ||
import jdk.internal.access.SharedSecrets; | ||
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/** | ||
* A {@link ThreadLocal} variant which binds its value to current thread's | ||
* carrier thread. | ||
*/ | ||
public class CarrierThreadLocal<T> extends ThreadLocal<T> { | ||
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@Override | ||
public T get() { | ||
return JLA.getCarrierThreadLocal(this); | ||
} | ||
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@Override | ||
public void set(T value) { | ||
JLA.setCarrierThreadLocal(this, value); | ||
} | ||
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@Override | ||
public void remove() { | ||
JLA.removeCarrierThreadLocal(this); | ||
} | ||
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public boolean isPresent() { | ||
return JLA.isCarrierThreadLocalPresent(this); | ||
} | ||
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private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess(); | ||
} |
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