< prev index next >

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

Print this page


   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 {


< prev index next >