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     4530538
  27  * @summary Basic unit test of ThreadInfo.getLockName()
  28  *          and ThreadInfo.getLockOwnerName()
  29  * @library /lib/testlibrary
  30  * @author  Mandy Chung
  31  * @author  Jaroslav Bachorik
  32  *
  33  * @modules java.management

  34  * @build jdk.testlibrary.*
  35  * @run main/othervm Locks
  36  */
  37 import java.lang.management.*;
  38 import java.util.Arrays;
  39 import java.util.Optional;
  40 import java.util.concurrent.Phaser;
  41 import java.util.function.Predicate;
  42 import jdk.testlibrary.LockFreeLogManager;
  43 
  44 public class Locks {
  45 
  46     private static final Object OBJA = new Object();
  47     private static final Object OBJB = new Object();
  48     private static final EnhancedWaiter OBJC = new EnhancedWaiter();
  49     private static final ThreadMXBean TM = ManagementFactory.getThreadMXBean();
  50     private static final LockFreeLogManager LOGGER = new LockFreeLogManager();
  51 
  52     private static String getLockName(Object lock) {
  53         if (lock == null) return null;

   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     4530538
  27  * @summary Basic unit test of ThreadInfo.getLockName()
  28  *          and ThreadInfo.getLockOwnerName()

  29  * @author  Mandy Chung
  30  * @author  Jaroslav Bachorik
  31  *
  32  * @library /lib/testlibrary
  33  *
  34  * @build jdk.testlibrary.*
  35  * @run main/othervm Locks
  36  */
  37 import java.lang.management.*;
  38 import java.util.Arrays;
  39 import java.util.Optional;
  40 import java.util.concurrent.Phaser;
  41 import java.util.function.Predicate;
  42 import jdk.testlibrary.LockFreeLogManager;
  43 
  44 public class Locks {
  45 
  46     private static final Object OBJA = new Object();
  47     private static final Object OBJB = new Object();
  48     private static final EnhancedWaiter OBJC = new EnhancedWaiter();
  49     private static final ThreadMXBean TM = ManagementFactory.getThreadMXBean();
  50     private static final LockFreeLogManager LOGGER = new LockFreeLogManager();
  51 
  52     private static String getLockName(Object lock) {
  53         if (lock == null) return null;