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test/hotspot/jtreg/serviceability/tmtools/jstack/WaitNotifyThreadTest.java

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  1 /*
  2  * Copyright (c) 2015, 2018, 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  * @summary  Call Object.wait() method. Check that monitor information
 27  *           presented in the stack is correct. Call notifyAll method
 28  *           monitor info have to disappear from the stack.
 29  *           Repeats the same scenario calling interrupt() method
 30  * @modules java.base/jdk.internal.misc
 31  * @library /test/lib
 32  * @library ../share
 33  * @run main/othervm -XX:+UsePerfData WaitNotifyThreadTest
 34  */
 35 import common.ToolResults;
 36 import java.util.Iterator;
 37 import utils.*;
 38 
 39 public class WaitNotifyThreadTest {
 40 
 41     private Object monitor = new Object();
 42     private final String OBJECT = "a java.lang.Object";
 43     private final String OBJECT_WAIT = "java.lang.Object.wait";
 44     private final String RUN_METHOD = "WaitNotifyThreadTest$WaitThread.run";
 45 
 46     interface Action {
 47         void doAction(Thread thread);
 48     }
 49 
 50     class ActionNotify implements Action {
 51 
 52         @Override
 53         public void doAction(Thread thread) {
 54             // Notify the waiting thread, so it stops waiting and sleeps
 55             synchronized (monitor) {
 56                 monitor.notifyAll();
 57             }
 58             // Wait until MyWaitingThread exits the monitor and sleeps
 59             while (thread.getState() != Thread.State.TIMED_WAITING) {}
 60         }
 61     }
 62 
 63     class ActionInterrupt implements Action {

  1 /*
  2  * Copyright (c) 2015, 2019, 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  * @summary  Call Object.wait() method. Check that monitor information
 27  *           presented in the stack is correct. Call notifyAll method
 28  *           monitor info have to disappear from the stack.
 29  *           Repeats the same scenario calling interrupt() method
 30  * @modules java.base/jdk.internal.misc
 31  * @library /test/lib
 32  * @library ../share
 33  * @run main/othervm -XX:+UsePerfData WaitNotifyThreadTest
 34  */
 35 import common.ToolResults;
 36 import java.util.Iterator;
 37 import utils.*;
 38 
 39 public class WaitNotifyThreadTest {
 40 
 41     private Object monitor = new Object();
 42     private final String OBJECT = "a java.lang.Object";
 43     private final String OBJECT_WAIT = "java.lang.Object.wait0";
 44     private final String RUN_METHOD = "WaitNotifyThreadTest$WaitThread.run";
 45 
 46     interface Action {
 47         void doAction(Thread thread);
 48     }
 49 
 50     class ActionNotify implements Action {
 51 
 52         @Override
 53         public void doAction(Thread thread) {
 54             // Notify the waiting thread, so it stops waiting and sleeps
 55             synchronized (monitor) {
 56                 monitor.notifyAll();
 57             }
 58             // Wait until MyWaitingThread exits the monitor and sleeps
 59             while (thread.getState() != Thread.State.TIMED_WAITING) {}
 60         }
 61     }
 62 
 63     class ActionInterrupt implements Action {
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