本论文是关于用互斥量实现多线程，文章以进度条的读取为例子进行详细阐述，对于有意学习多线程编程的程序员有一定的帮助作用,This paper is about the amount of use of mutually exclusive multi-thread, the progress of the article to be read as an example for details, who intend to study multi-threaded programming to h