/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed 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.
*/
/**
* Test that daemon threads still contending for a lock don't make the runtime abort on shutdown.
*/
public class Main {
public final static int THREAD_COUNT = 32;
public static void main(String[] args) throws Exception {
Object sync = new Object();
for (int i = 0; i < THREAD_COUNT; i++) {
Thread t = new Thread(new Wait(sync));
t.setDaemon(true);
t.start();
}
}
private static class Wait implements Runnable {
private Object obj;
public Wait(Object obj) {
this.obj = obj;
}
public void run() {
for (;;) {
synchronized(obj) {
try {
obj.wait(1);
} catch (Exception exc) {
exc.printStackTrace(System.out);
}
}
}
}
}
}