非常好用的网络多线程socket编程代码，多线程

在Linux环境下编写的基于M3的智能家居的主程序代码（不包含硬件方面的代码）用到多线程，网络socket编程-In the Linux environment prepared by M3-based Smart Home main program code (does not include hardware code) uses multi-threaded, socket programming network