2362N/A * Copyright (c) 2004, 2005, Oracle and/or its affiliates. All rights reserved. 0N/A * Redistribution and use in source and binary forms, with or without 0N/A * modification, are permitted provided that the following conditions 0N/A * - Redistributions of source code must retain the above copyright 0N/A * notice, this list of conditions and the following disclaimer. 0N/A * - Redistributions in binary form must reproduce the above copyright 0N/A * notice, this list of conditions and the following disclaimer in the 0N/A * documentation and/or other materials provided with the distribution. 2362N/A * - Neither the name of Oracle nor the names of its 0N/A * contributors may be used to endorse or promote products derived 0N/A * from this software without specific prior written permission. 0N/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 0N/A * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 0N/A * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 0N/A * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 0N/A * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 0N/A * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 0N/A * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 0N/A * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 0N/A * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 0N/A * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 0N/A * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4378N/A * This source code is provided to illustrate the usage of a given feature 4378N/A * or technique and has been deliberately simplified. Additional steps 4378N/A * required for a production-quality application, such as security checks, 4378N/A * input validation and proper error handling, might not be present in 0N/A * Example of using the java.lang.management API to dump stack trace 0N/A * and to perform deadlock detection. 0N/A * @author Mandy Chung 0N/A // default - JDK 6+ VM 0N/A * Constructs a ThreadMonitor object to get thread information 0N/A // should not reach here 0N/A * Constructs a ThreadMonitor object to get thread information 0N/A * Prints the thread dump information to System.out. 0N/A // Print lock info if both object monitor usage 0N/A // and synchronizer usage are supported. 0N/A // This sample code can be modified to handle if 0N/A // either monitor usage or synchronizer usage is supported. 0N/A * Prints the thread dump information with locks info to System.out. 0N/A // print thread information 0N/A // print stack trace with locks 0N/A * Checks if any threads are deadlocked. If any, print 0N/A * the thread dump information. 0N/A // print thread information 0N/A // look for findDeadlockedThreads operations; 0N/A // if findDeadlockedThreads operation doesn't exist, 0N/A // the target VM is running on JDK 5 and details about 0N/A // synchronizers and locks cannot be dumped.