1 /*

     2  * Copyright (c) 2004, 2018, 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 package nsk.monitoring.ThreadInfo.getLockOwnerName;

    25 

    26 import java.lang.management.*;

    27 import java.io.*;

    28 import nsk.share.*;

    29 

    30 public class getlockownername001 {

    31     public static void main(String[] argv) {

    32         System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out));

    33     }

    34 

    35     public static int run(String[] argv, PrintStream out) {

    36         ThreadMXBean mbean = ManagementFactory.getThreadMXBean();

    37         long id = Thread.currentThread().getId();

    38         ThreadInfo info = mbean.getThreadInfo(id, Integer.MAX_VALUE);

    39         String name = info.getLockOwnerName();

    40 

    41         if (name != null) {

    42             out.println("TEST FAILED.");

    43             out.println("ThreadInfo.getLockOwnerName() returned not-null \""

    44                       + name + "\" for a running thread.");

    45             return Consts.TEST_FAILED;

    46         }

    47         return Consts.TEST_PASSED;

    48     }

    49 }