1 /*

     2  * Copyright (c) 2001, 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 package nsk.jdwp.ThreadReference.Status;

    25 

    26 import nsk.share.*;

    27 import nsk.share.jpda.*;

    28 import nsk.share.jdwp.*;

    29 

    30 import java.io.*;

    31 

    32 /**

    33  * This class represents debuggee part in the test.

    34  */

    35 public class status001a {

    36 

    37     // name for the tested thread

    38     public static final String THREAD_NAME = "TestedThreadName";

    39     public static final String FIELD_NAME = "thread";

    40 

    41     // notification object to notify debuggee that thread started

    42     private static Object threadStarted = new Object();

    43     // lock object to prevent thread from exit

    44     private static Object threadLock = new Object();

    45 

    46     // scaffold objects

    47     private static volatile ArgumentHandler argumentHandler = null;

    48     private static volatile Log log = null;

    49 

    50     public static void main(String args[]) {

    51         status001a _status001a = new status001a();

    52         System.exit(status001.JCK_STATUS_BASE + _status001a.runIt(args, System.err));

    53     }

    54 

    55     public int runIt(String args[], PrintStream out) {

    56         //make log for debugee messages

    57         argumentHandler = new ArgumentHandler(args);

    58         log = new Log(out, argumentHandler);

    59 

    60         // make communication pipe to debugger

    61         log.display("Creating pipe");

    62         IOPipe pipe = argumentHandler.createDebugeeIOPipe(log);

    63 

    64         // lock the object to prevent thread from exit

    65         synchronized (threadLock) {

    66 

    67             // load tested class and create tested thread

    68             log.display("Creating object of tested class");

    69             TestedClass.thread = new TestedClass(THREAD_NAME);

    70 

    71             // start the thread and wait for notification from it

    72             synchronized (threadStarted) {

    73                 TestedClass.thread.start();

    74                 try {

    75                     threadStarted.wait();

    76                     // send debugger signal READY

    77                     log.display("Sending signal to debugger: " + status001.READY);

    78                     pipe.println(status001.READY);

    79                 } catch (InterruptedException e) {

    80                     log.complain("Interruption while waiting for thread started: " + e);

    81                     pipe.println(status001.ERROR);

    82                 }

    83             }

    84 

    85             // wait for signal QUIT from debugeer

    86             log.display("Waiting for signal from debugger: " + status001.QUIT);

    87             String signal = pipe.readln();

    88             log.display("Received signal from debugger: " + signal);

    89 

    90             // check received signal

    91             if (signal == null || !signal.equals(status001.QUIT)) {

    92                 log.complain("Unexpected communication signal from debugee: " + signal

    93                             + " (expected: " + status001.QUIT + ")");

    94                 log.display("Debugee FAILED");

    95                 return status001.FAILED;

    96             }

    97 

    98             // allow started thread to exit

    99         }

   100 

   101         // exit debugee

   102         log.display("Debugee PASSED");

   103         return status001.PASSED;

   104     }

   105 

   106     // tested thread class

   107     public static class TestedClass extends Thread {

   108 

   109         // field with the tested Thread value

   110         public static volatile TestedClass thread = null;

   111 

   112         TestedClass(String name) {

   113             super(name);

   114         }

   115 

   116         public void run() {

   117             log.display("Tested thread started");

   118 

   119             // notify debuggee that thread really started

   120             synchronized (threadStarted) {

   121                 threadStarted.notifyAll();

   122             }

   123 

   124             // wait for lock object released

   125             synchronized (threadLock) {

   126                 log.display("Tested thread finished");

   127             }

   128         }

   129     }

   130 

   131 }