/*
 * Copyright (C) 2009 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.
 */

package dalvik.runner;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;

/**
 * Utility methods for working with threads.
 */
class Threads {

    public static ThreadFactory daemonThreadFactory() {
        return new ThreadFactory() {
            public Thread newThread(Runnable r) {
                Thread thread = new Thread(r, r.toString());
                thread.setDaemon(true);
                return thread;
            }
        };
    }

    public static ExecutorService threadPerCpuExecutor() {
        return Executors.newFixedThreadPool(
                Runtime.getRuntime().availableProcessors(), daemonThreadFactory());
    }
}