1 /*
2  * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /*
25  * @test
26  * @bug 4130880
27  * @summary reading inputstream from child process throws
28  *          io exception: Write end dead
29  *
30  */
31 
32 import java.io.*;
33 
34 public class ClosedWriter implements Runnable {
35     static PipedInputStream is;
36     static PipedOutputStream os;
37 
run()38     public void run() {
39         try {
40             os.write(0);
41             os.write(0);
42             os.write(0);
43             os.write(0);
44             os.write(0);
45             os.close();
46         } catch (Exception e) {
47             e.printStackTrace();
48         }
49     }
50 
main(String[] args)51     public static void main(String[] args) throws Exception {
52         is = new PipedInputStream();
53         os = new PipedOutputStream();
54         is.connect(os);
55 
56         Thread t = new Thread(new ClosedWriter());
57         t.start();
58 
59         // this should just exit cleanly but the bug causes an exception
60         // to be thrown on the last read.
61         while (is.read() != -1) {
62         }
63     }
64 }
65