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/*
* Copyright (C) 2014 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.
*/
import java.util.Map;
public class Main implements Runnable {
static final int numberOfThreads = 5;
static final int totalOperations = 1000;
public static void main(String[] args) throws Exception {
final Thread[] threads = new Thread[numberOfThreads];
for (int t = 0; t < threads.length; t++) {
threads[t] = new Thread(new Main());
threads[t].start();
}
for (Thread t : threads) {
t.join();
}
System.out.println("Finishing");
}
public void test_getId() {
if (Thread.currentThread().getId() <= 0) {
System.out.println("current thread's ID is not positive");
}
// Check all the current threads for positive IDs.
Map<Thread, StackTraceElement[]> stMap = Thread.getAllStackTraces();
for (Thread thread : stMap.keySet()) {
if (thread.getId() <= 0) {
System.out.println("thread's ID is not positive: " + thread.getName());
}
}
}
public void run() {
for (int i = 0; i < totalOperations; ++i) {
test_getId();
}
}
}
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