WSAIoctl,使用OVERLAPPED IO的问题,请帮忙,谢谢!
http://www.blogchinese.com/061201/266092/archives/2007/2007816105841.html
刚刚看了这个例子,使用IOCP + Overlapped IO,请问什么时候才会用到WSAIoctl的
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine
最后这两个参数呢?
他在里面传了两个NULL,而只在AcceptEx里传入了lpOverlapped?
既然要用,为什么不一起在WSAIoCtl里一起传进去呢?