[Bug 7929] C&C 3 network does not work

http://bugs.winehq.org/show_bug.cgi?id=7929





--- Comment #81 from Erich Hoover <ehoover(a)mines.edu>  2009-09-20 12:48:05 ---
(In reply to comment #80)
> I like this approach Erich.
>
> The problems I see are that select() could wake up with no data to read (ie.
> packet from wrong IP), and async I/O and IOCP could have similar problems.
> Fixing these spurious wakeups - if necessary - is pretty hard: eg. select()
> would have to MSG_PEEK recvfrom() every readable UDP socket and then possibly
> re-recvfrom() to throw away packets from the wrong IP...

This patch is certainly the "first pass" at handling the issue, and you have
definitely raised some valid points.  You've already covered how select() would
need to be handled (which I would say is "not too bad").  The async I/O appears
to use a MSG_PEEK in wineserver, so it could be handled in a similar fashion. 
I'm not familiar with IOCP though, could you point me to the place in Wine to
look into it?

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