Socket.hs problem under Windows 2000

Sigbjorn Finne [email protected]
Wed, 18 Oct 2000 10:50:26 -0700


You need to init WinSock first, i.e.,

  main = withSocketsDo $ do {...}

--sigbjorn

Martijn [mailto:[email protected]] writes:
> 
> Hi,
> 
> I'm trying to set up some socket connections with Haskell on 
> a Windows 2000 
> platform, but I can't seem to get them working.
> 
> My program is rather simple:
> --
> import Socket
> 
> main = do { socket <- listenOn (PortNumber 1234)
>            ; return ()
>            }
> --
> 
> I know this shouldn't do anything at all, but instead it 
> gives an error 
> message:
> 
> Fail: does not exist
> Action: getProtocolByName
> Reason: no such protocol entry
> 
> I get the same message for any socket operation I try to 
> perform. Also a 
> basic call like getHostName from module BSD does not work. 
> I've compiled 
> with ghc version 4.05 with option "-syslib misc"
> 
> Should I compile differently, is this a problem with CygWin, or am I 
> overlooking something?
> 
> TIA,
> Martijn Schrage
>