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