1 /*
2 * Copyright (c) 2003, 2010, 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 4892507
27 * @summary Basic Test for the following reset methods:
28 * - ThreadMXBean.findMonitorDeadlockedThreads()
29 * @author Mandy Chung
30 *
31 * @build MonitorDeadlock
32 * @build ThreadDump
33 * @run main/othervm FindMonitorDeadlock
34 */
35
36 import java.lang.management.*;
37 import java.util.*;
38
39 public class FindMonitorDeadlock {
40 public static void main(String[] argv) {
41 // create deadlocked threads
42 MonitorDeadlock md = new MonitorDeadlock();
43
44 // No deadlock
45 ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
46 long[] threads = mbean.findMonitorDeadlockedThreads();
47 if (threads != null) {
48 throw new RuntimeException("TEST FAILED: Should return null.");
49 }
50
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1 /*
2 * Copyright (c) 2003, 2015, 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 4892507
27 * @summary Basic Test for the following reset methods:
28 * - ThreadMXBean.findMonitorDeadlockedThreads()
29 * @author Mandy Chung
30 *
31 * @modules java.management
32 * @build MonitorDeadlock
33 * @build ThreadDump
34 * @run main/othervm FindMonitorDeadlock
35 */
36
37 import java.lang.management.*;
38 import java.util.*;
39
40 public class FindMonitorDeadlock {
41 public static void main(String[] argv) {
42 // create deadlocked threads
43 MonitorDeadlock md = new MonitorDeadlock();
44
45 // No deadlock
46 ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
47 long[] threads = mbean.findMonitorDeadlockedThreads();
48 if (threads != null) {
49 throw new RuntimeException("TEST FAILED: Should return null.");
50 }
51
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