操作系统进程并发模拟系统，以时间片轮处理的方式实现了简单的线程功能，并基于此架构实现多种方式并发运行的进程模拟系统-Concurrent simulation system for the operating system process to the time slice of the way round to deal with a simple thread function and based on this framework a variety of ways to achieve concurrent operation of the process simulation system