86 lines
2.8 KiB
Java
86 lines
2.8 KiB
Java
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/*
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* Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 6219755
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* @summary Write end loops infinitely when the
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* buffer is full and the read end has closed.
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*/
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import java.io.*;
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public class WriterLoop extends Thread {
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static PipedOutputStream out;
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static PipedInputStream in;
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public void run() {
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try {
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System.out.println("Writer started.");
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// without the fix, this test will hang at this point,
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// i.e inside the call to write()
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out.write(new byte[64*1024]);
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} catch (Throwable e) {
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// with the fix an IOException is caught
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System.out.println("Writer exception:");
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e.printStackTrace();
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} finally {
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System.out.println("Writer done.");
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}
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}
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public static void main(String args[]) throws Exception {
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in = new PipedInputStream();
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out = new PipedOutputStream(in);
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WriterLoop writer = new WriterLoop();
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writer.start();
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try {
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System.out.println("Reader reading...");
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in.read(new byte[2048]);
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System.out.println("Reader closing stream...");
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in.close();
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System.out.println("Reader sleeping 3 seconds...");
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Thread.sleep(3000);
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} catch (Throwable e) {
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System.out.println("Reader exception:");
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e.printStackTrace();
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} finally {
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System.out.println("Active threads:");
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Thread[] threads = new Thread[Thread.activeCount()];
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Thread.enumerate(threads);
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for (int i = 0; i < threads.length; i++) {
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System.out.println(" " + threads[i]);
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}
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System.out.println("Waiting for writer...");
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writer.join();
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System.out.println("Done.");
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}
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}
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}
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