1 /*

     2  * Copyright (c) 2012, 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 

    31 import java.io.IOException;

    32 import java.nio.channels.Pipe;

    33 

    34 

    35 public 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 }