71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 5086470 6358247
|
|
* @summary Basic Test for ThreadInfo.getLockedSynchronizers()
|
|
* SynchronizerLockingThread is the class that creates threads
|
|
* and do the checking.
|
|
*
|
|
* @author Mandy Chung
|
|
*
|
|
* @build Barrier
|
|
* @build SynchronizerLockingThread
|
|
* @build ThreadDump
|
|
* @run main/othervm LockedSynchronizers
|
|
*/
|
|
|
|
import java.lang.management.*;
|
|
import java.util.*;
|
|
|
|
public class LockedSynchronizers {
|
|
public static void main(String[] argv) throws Exception {
|
|
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
|
|
if (!mbean.isSynchronizerUsageSupported()) {
|
|
System.out.println("Monitoring of synchronizer usage not supported");
|
|
return;
|
|
}
|
|
|
|
// Start thread and print thread dump
|
|
SynchronizerLockingThread.startLockingThreads();
|
|
ThreadDump.threadDump();
|
|
|
|
// Test dumpAllThreads with locked monitors and synchronizers
|
|
ThreadInfo[] tinfos = mbean.dumpAllThreads(true, true);
|
|
SynchronizerLockingThread.checkLocks(tinfos);
|
|
|
|
// Test getThreadInfo with locked monitors and synchronizers
|
|
long[] ids = SynchronizerLockingThread.getThreadIds();
|
|
tinfos = mbean.getThreadInfo(ids, true, true);
|
|
if (tinfos.length != ids.length) {
|
|
throw new RuntimeException("Number of ThreadInfo objects = " +
|
|
tinfos.length + " not matched. Expected: " + ids.length);
|
|
}
|
|
|
|
SynchronizerLockingThread.checkLocks(tinfos);
|
|
|
|
System.out.println("Test passed");
|
|
}
|
|
}
|