linux下的简单多线程编程,一个进程中创建3个线程协同工作。-linux simple multi-threaded programming, a process created three threads to work together.

主要介绍Linux 线程的基本概念及分析多线程库中的主要函数调用, 阐述使用多线程的优点, 以及多线程编程过程中应该注意的问题。-It introduces the basic concepts of Linux threading and analysis of multi-threaded library main function call, describes the advantages of using multiple threads, as well as multi-threa