1/*
2 * Copyright (c) 2012, 2013, 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/* @test
25 * @bug 8002306
26 * @summary Ensure that a Pipe can open even if its thread has already
27 *          been interrupted.
28 * @author Dan Xu
29 */
30
31import java.io.IOException;
32import java.nio.channels.Pipe;
33
34
35public class PipeInterrupt {
36
37    private Exception exc = null;
38
39    public static void main(String[] args) throws Exception {
40        PipeInterrupt instance = new PipeInterrupt();
41        instance.test();
42    }
43
44    public void test() throws Exception {
45
46        Thread tester = new Thread("PipeTester") {
47            private Pipe testPipe = null;
48
49            @Override
50            public void run() {
51                for (;;) {
52                    boolean interrupted = this.isInterrupted();
53                    try {
54                        testPipe = Pipe.open();
55                        close();
56                        if (interrupted) {
57                            if (!this.isInterrupted())
58                               exc = new RuntimeException("interrupt status reset");
59                            break;
60                        }
61                    } catch (IOException ioe) {
62                        exc = ioe;
63                    }
64                }
65            }
66
67            private void close() throws IOException {
68                if (testPipe != null) {
69                    testPipe.sink().close();
70                    testPipe.source().close();
71                }
72            }
73        };
74
75        tester.start();
76        Thread.sleep(200);
77        tester.interrupt();
78        tester.join();
79
80        if (exc != null)
81            throw exc;
82    }
83}
84