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From: Vu Ngoc San <san.vu-ngoc@laposte.net>
To: "OCaml List" <caml-list@inria.fr>
Date: Wed, 31 Aug 2011 12:55:18 +0200
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Subject: [Caml-list] nonblock socket in Windows

Hello

I want to have non-blocking sockets for a UDP client/server.  I use
the Unix.set_nonblock which works fine in Linux, but the manual tells
me that in Windows (Win32):

"set_nonblock, clear_nonblock	implemented as dummy functions; use threads 
instead of non-blocking I/O"

I would like to avoid threads, and on the other hand there is the
ioctlsocket function in Windows which seems to do it. So why isn't
this implemented in ocaml ?

http://msdn.microsoft.com/en-us/library/ms738573