66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
/*
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* Copyright (c) 2008, 2009, 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.
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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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/* @test
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* @bug 4607272 6842687
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* @summary Unit test for java.nio.channels.AsynchronousFileChannel
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* @build CustomThreadPool MyThreadFactory
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* @run main/othervm -Djava.nio.channels.DefaultThreadPool.threadFactory=MyThreadFactory CustomThreadPool
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*/
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import java.io.File;
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import static java.nio.file.StandardOpenOption.*;
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import java.nio.ByteBuffer;
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import java.nio.channels.*;
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import java.util.concurrent.atomic.AtomicReference;
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public class CustomThreadPool {
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public static void main(String[] args) throws Exception {
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File blah = File.createTempFile("blah", null);
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blah.deleteOnExit();
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AsynchronousFileChannel ch =
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AsynchronousFileChannel.open(blah.toPath(), READ, WRITE);
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ByteBuffer src = ByteBuffer.wrap("Scooby Snacks".getBytes());
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final AtomicReference<Thread> invoker = new AtomicReference<Thread>();
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ch.write(src, 0, invoker,
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new CompletionHandler<Integer,AtomicReference<Thread>>() {
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public void completed(Integer result, AtomicReference<Thread> invoker) {
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invoker.set(Thread.currentThread());
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}
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public void failed(Throwable exc, AtomicReference<Thread> invoker) {
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}
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});
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Thread t;
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while ((t = invoker.get()) == null) {
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Thread.sleep(100);
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}
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ch.close();
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// check handler was run by known thread
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if (!MyThreadFactory.created(t))
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throw new RuntimeException("Handler invoked by unknown thread");
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}
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}
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