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/*
* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package nsk.jdb.threadgroups.threadgroups002;
import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdb.*;
import java.io.*;
/* This is debuggee aplication */
public class threadgroups002a {
public static void main(String args[]) {
threadgroups002a _threadgroups002a = new threadgroups002a();
System.exit(threadgroups002.JCK_STATUS_BASE + _threadgroups002a.runIt(args, System.out));
}
static void lastBreak () {}
static int numThreadGroups = 3;
static int numThreads = 15;
static Object waitnotify = new Object();
final static String THREADGROUP_NAME = "MyThreadGroup#";
public int runIt(String args[], PrintStream out) {
JdbArgumentHandler argumentHandler = new JdbArgumentHandler(args);
Log log = new Log(out, argumentHandler);
ThreadGroup tgHolder[] = new ThreadGroup[numThreadGroups];
Thread holder [] = new Thread[numThreads];
Lock lock = new Lock();
for (int i = 0; i < numThreadGroups ; i++ )
tgHolder[i] = new ThreadGroup(THREADGROUP_NAME + i);
try {
lock.setLock();
int factor = numThreads / numThreadGroups;
int k;
for (int i = 0; i < numThreadGroups ; i++) {
for (int j = 0; j < factor ; j++) {
k = i * factor + j;
holder[k] = new MyThread(lock, tgHolder[i], "MyThread#");
synchronized (waitnotify) {
holder[k].start();
waitnotify.wait();
}
}
}
} catch (Exception e) {
System.err.println("TEST ERROR: Caught unexpected Exception while waiting in main thread: " +
e.getMessage());
System.exit(threadgroups002.FAILED);
}
lastBreak(); // When jdb stops here, there should be 5 running MyThreads.
lock.releaseLock();
for (int i = 0; i < numThreads ; i++) {
if (holder[i].isAlive()) {
try {
holder[i].join(argumentHandler.getWaitTime() * 60000);
} catch (InterruptedException e) {
throw new Failure("Unexpected InterruptedException catched while waiting for join of: " + holder[i]);
}
}
}
log.display("Debuggee PASSED");
return threadgroups002.PASSED;
}
}
class Lock {
boolean lockSet;
synchronized void setLock() throws InterruptedException {
while (lockSet == true)
wait();
lockSet = true;
}
synchronized void releaseLock() {
if (lockSet == true) {
lockSet = false;
notify();
}
}
}
class MyThread extends Thread {
Lock lock;
MyThread (Lock l, ThreadGroup group, String name) {
super(group, name);
this.lock = l;
}
public void run() {
synchronized (threadgroups002a.waitnotify) {
threadgroups002a.waitnotify.notifyAll();
}
try {
lock.setLock();
} catch(Exception e) {
System.err.println("TEST ERROR: Caught unexpected Exception while waiting in MyThread: " +
e.getMessage());
System.exit(threadgroups002.FAILED);
}
lock.releaseLock();
}
}
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