最近需要看一个中间件的IOCP处理模块，需要了解这方面的知识
https://www.codeproject.com/articles/13382/a-simple-application-using-i-o-completion-ports-an
http://sysinternals.d4rk4.ru/Information/IoCompletionPorts.html
https://stackoverflow.com/questions/7313702/resources-to-learn-iocp-on-windows
http://www.serverframework.com/products---the-free-framework.html