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Date:	Thu, 27 Oct 2005 09:45:12 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Invalid argument error when using recvfrom
Message-ID:	<20051027074512.GB28394@calimero.vinschen.de>
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On Oct 26 13:57, Fernando Barsoba wrote:
> Hi all,
> 
> Using raw sockets with cygwin is being really painful... After being 
> able to create an IP datagram using the latest snapshot now I'm getting 
> the error "Invalid argument" when calling recvfrom() without doing BIND 
> first.
> 
> There is no need to call bind() before recvfrom when using raw sockets. 
> Why am i getting this error now? Some restriction with winsock?

Probably.  When using raw sockets with Cygwin, you're really in the
hands of Winsock, which has a couple of restrictions in that matter.
I'd suggest to have a look into MSDN which elaborates a bit on the usage
of raw sockets.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat, Inc.

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