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Reply To: Slow performance on Windows Home Server RTM [svn-1676]



Yep. It looks like that’s it. Msdn has this to say on WSAAsyncSelect (

The WSAAsyncSelect function automatically sets socket s to nonblocking mode, regardless of the value of lEvent. To set socket s back to blocking mode, it is first necessary to clear the event record associated with socket s via a call to WSAAsyncSelect with lEvent set to zero. You can then call ioctlsocket or WSAIoctl to set the socket back to blocking mode. For more information about how to set the nonblocking socket back to blocking mode, see the ioctlsocket and WSAIoctl functions.