/*
* Copyright (c) 2008, 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
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*/
import java.util.concurrent.*;
/**
* This is not a regression test, but a stress benchmark test for
* 6602600: Fast removal of cancelled scheduled thread pool tasks
*
* This runs in the same wall clock time, but much reduced cpu time,
* with the changes for 6602600.
*/
public class Stress {
public static void main(String[] args) throws Throwable {
final CountDownLatch count = new CountDownLatch(1000);
final ScheduledThreadPoolExecutor pool =
new ScheduledThreadPoolExecutor(100);
pool.prestartAllCoreThreads();
final Runnable incTask = new Runnable() { public void run() {
count.countDown();
}};
pool.scheduleAtFixedRate(incTask, 0, 10, TimeUnit.MILLISECONDS);
count.await();
pool.shutdown();
pool.awaitTermination(1L, TimeUnit.DAYS);
}
}