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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Anatoly F. Bondarenko
*/
/**
* Created on 06.06.2006
*/
package org.apache.harmony.jpda.tests.jdwp.ThreadReference;
import org.apache.harmony.jpda.tests.share.SyncDebuggee;
public class SuspendDebuggee extends SyncDebuggee {
public static final int THREAD_NUMBER_LIMIT = 9;
public static final String THREAD_NAME_PATTERN = "SuspendDebuggee_Thread_";
static SuspendDebuggee suspendDebuggeeThis;
static volatile boolean allThreadsToFinish = false;
static int createdThreadsNumber = 0;
static volatile int startedThreadsNumber = 0;
static SuspendDebuggee_Thread[] suspendDebuggeeThreads = null;
static Object waitTimeObject = new Object();
static void waitMlsecsTime(long mlsecsTime) {
synchronized(waitTimeObject) {
try {
waitTimeObject.wait(mlsecsTime);
} catch (Throwable throwable) {
// ignore
}
}
}
static void sleepMlsecsTime(long mlsecsTime) {
try {
Thread.sleep(mlsecsTime);
} catch (Throwable throwable) {
// ignore
}
}
public void run() {
logWriter.println("--> SuspendDebuggee: START...");
suspendDebuggeeThis = this;
logWriter.println("--> SuspendDebuggee: Create and start tested threads...");
try {
suspendDebuggeeThreads = new SuspendDebuggee_Thread[THREAD_NUMBER_LIMIT];
for (int i=0; i < THREAD_NUMBER_LIMIT; i++) {
suspendDebuggeeThreads[i]= new SuspendDebuggee_Thread(i);
suspendDebuggeeThreads[i].start();
createdThreadsNumber++;
}
} catch ( Throwable thrown) {
logWriter.println
("--> SuspendDebuggee: Exception while creating threads: " + thrown);
}
logWriter.println
("--> SuspendDebuggee: Created threads number = " + createdThreadsNumber);
while ( startedThreadsNumber != createdThreadsNumber ) {
waitMlsecsTime(100);
}
if ( createdThreadsNumber != 0 ) {
logWriter.println("--> SuspendDebuggee: All created threads are started!");
}
synchronizer.sendMessage(Integer.toString(createdThreadsNumber));
if ( createdThreadsNumber == 0 ) {
logWriter.println("--> SuspendDebuggee: FINISH...");
return;
}
synchronizer.receiveMessage(); // signal to finish
logWriter.println
("--> SuspendDebuggee: Send signal to all threads to finish and wait...");
allThreadsToFinish = true;
for (int i=0; i < createdThreadsNumber; i++) {
while ( suspendDebuggeeThreads[i].isAlive() ) {
waitMlsecsTime(10);
}
}
logWriter.println
("--> SuspendDebuggee: All threads finished!");
logWriter.println("--> SuspendDebuggee: FINISH...");
}
public static void main(String [] args) {
runDebuggee(SuspendDebuggee.class);
}
}
class SuspendDebuggee_Thread extends Thread {
int threadKind;
public SuspendDebuggee_Thread(int threadNumber) {
super(SuspendDebuggee.THREAD_NAME_PATTERN + threadNumber);
threadKind = threadNumber % 3;
}
public void run() {
SuspendDebuggee parent = SuspendDebuggee.suspendDebuggeeThis;
synchronized (parent) {
SuspendDebuggee.startedThreadsNumber++;
}
while ( ! SuspendDebuggee.allThreadsToFinish ) {
switch ( threadKind ) {
case 0:
SuspendDebuggee.waitMlsecsTime(100);
break;
case 1:
SuspendDebuggee.sleepMlsecsTime(100);
}
}
}
}
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