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     5086470 6358247
  27  * @summary Basic Test for ThreadInfo.getLockedSynchronizers()
  28  *          SynchronizerLockingThread is the class that creates threads
  29  *          and do the checking.
  30  *
  31  * @author  Mandy Chung
  32  *
  33  * @modules java.management
  34  * @build Barrier
  35  * @build SynchronizerLockingThread
  36  * @build ThreadDump
  37  * @run main/othervm LockedSynchronizers
  38  */
  39 
  40 import java.lang.management.*;
  41 import java.util.*;
  42 
  43 public class LockedSynchronizers {
  44     public static void main(String[] argv) throws Exception {
  45         ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
  46         if (!mbean.isSynchronizerUsageSupported()) {
  47             System.out.println("Monitoring of synchronizer usage not supported");
  48             return;
  49         }
  50 
  51         // Start thread and print thread dump
  52         SynchronizerLockingThread.startLockingThreads();
  53         ThreadDump.threadDump();

  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     5086470 6358247
  27  * @summary Basic Test for ThreadInfo.getLockedSynchronizers()
  28  *          SynchronizerLockingThread is the class that creates threads
  29  *          and do the checking.
  30  *
  31  * @author  Mandy Chung
  32  *

  33  * @build Barrier
  34  * @build SynchronizerLockingThread
  35  * @build ThreadDump
  36  * @run main/othervm LockedSynchronizers
  37  */
  38 
  39 import java.lang.management.*;
  40 import java.util.*;
  41 
  42 public class LockedSynchronizers {
  43     public static void main(String[] argv) throws Exception {
  44         ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
  45         if (!mbean.isSynchronizerUsageSupported()) {
  46             System.out.println("Monitoring of synchronizer usage not supported");
  47             return;
  48         }
  49 
  50         // Start thread and print thread dump
  51         SynchronizerLockingThread.startLockingThreads();
  52         ThreadDump.threadDump();