什么时候多线程控制台应用程序退出？ [英] When does a multithreaded console application exit?

问题描述

class Program
{
    public static void Main(String[] args)
    {
        var c = new C();
        var thread = new Thread(new ThreadStart(c.F));
        thread.Start();
        Console.WriteLine("Exiting main, but the program won't quit yet...");
    }
}
class C
{
    public void F()
    {
        for (int i = 0; i < 10; i++)
        {
            Console.WriteLine("Waiting {0}", i);
            Thread.Sleep(1000);
        }
        Console.WriteLine("Now the program will quit...");
    }
}

什么是引擎盖下发生的事情与一个控制台应用程序？导致它在等待另一个线程退出（指向文档罚款）之前完成

What's going on under the hood with a console application that leads to it waiting for the other thread to finish before exiting (pointer to docs fine)?

的注：我知道这是一个基本的问题 - 我只是一直管理等待线程之前完成，并从未考虑过有一些基础设施，这样做是为了我... 的

推荐答案

一个过程结束时，所有前台线程终止

A process ends when all foreground threads terminate

从的 Thread.IsBackground 备注：

一个线程或者是一个背景螺纹或前台线程。后台线程是相同的前景线程，所不同的是后台线程不会阻止从终止的处理。一旦属于该进程的所有前台线程已经终止，公共语言运行时结束的过程。任何剩余的后台线程停止并没有完成。

A thread is either a background thread or a foreground thread. Background threads are identical to foreground threads, except that background threads do not prevent a process from terminating. Once all foreground threads belonging to a process have terminated, the common language runtime ends the process. Any remaining background threads are stopped and do not complete.

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