0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 6219755
0N/A * @summary Write end loops infinitely when the
0N/A * buffer is full and the read end has closed.
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Apublic class WriterLoop extends Thread {
0N/A
0N/A static PipedOutputStream out;
0N/A static PipedInputStream in;
0N/A
0N/A public void run() {
0N/A try {
0N/A System.out.println("Writer started.");
0N/A
0N/A // without the fix, this test will hang at this point,
0N/A // i.e inside the call to write()
0N/A out.write(new byte[64*1024]);
0N/A } catch (Throwable e) {
0N/A
0N/A // with the fix an IOException is caught
0N/A System.out.println("Writer exception:");
0N/A e.printStackTrace();
0N/A } finally {
0N/A System.out.println("Writer done.");
0N/A }
0N/A }
0N/A
0N/A public static void main(String args[]) throws Exception {
0N/A in = new PipedInputStream();
0N/A out = new PipedOutputStream(in);
0N/A WriterLoop writer = new WriterLoop();
0N/A writer.start();
0N/A
0N/A try {
0N/A System.out.println("Reader reading...");
0N/A in.read(new byte[2048]);
0N/A
0N/A System.out.println("Reader closing stream...");
0N/A in.close();
0N/A
0N/A System.out.println("Reader sleeping 3 seconds...");
0N/A Thread.sleep(3000);
0N/A } catch (Throwable e) {
0N/A System.out.println("Reader exception:");
0N/A e.printStackTrace();
0N/A } finally {
0N/A System.out.println("Active threads:");
0N/A Thread[] threads = new Thread[Thread.activeCount()];
0N/A Thread.enumerate(threads);
0N/A for (int i = 0; i < threads.length; i++) {
0N/A System.out.println(" " + threads[i]);
0N/A }
0N/A System.out.println("Waiting for writer...");
0N/A writer.join();
0N/A System.out.println("Done.");
0N/A }
0N/A }
0N/A}