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a0c48294d2
The feature is ON by default. It can be disabled by specifying `-Djbr.java.io.use.nio=false`
49 lines
1.8 KiB
Java
49 lines
1.8 KiB
Java
/*
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* Copyright 2025 JetBrains s.r.o.
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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 java.io;
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import jdk.internal.ref.CleanerFactory;
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import jdk.internal.ref.PhantomCleanable;
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/**
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* An analog of {@link FileCleanable} that does nothing.
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* <p>
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* It exists only to fulfill an implicit contract that every {@link FileDescriptor}
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* from {@link RandomAccessFile} and classes like that
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* has a registered cleaner.
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* Some tests rely on this contract and fail without this class.
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*/
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class NoOpCleanable extends PhantomCleanable<FileDescriptor> {
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NoOpCleanable(FileDescriptor referent) {
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super(referent, CleanerFactory.cleaner());
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}
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@Override
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protected void performCleanup() {
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// Nothing.
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}
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}
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