[PATCH] Overlapped recv(), WSARecv()

lawson_whitney at juno.com lawson_whitney at juno.com
Mon Jan 21 20:27:38 CST 2002

On Mon, 21 Jan 2002, Martin Wilck wrote:

> On Thu, 17 Jan 2002 lawson_whitney at juno.com wrote:
> > > Perhaps I screwed up the blocking semantics of non-overlapped IO.
> > That's what it looks like to me.
> I can't make sense out of these traces. The numbers of bytes transferred
> are different, but you were transferring different data.
> The general pattern of function calls and messages is very similar
> with and without the patch. Especially the error patterns are similar.
> Martin
> Btw I don't think I can help with the serial app. I see no indication
>     that overlapped IO plays a role there.
Maybe I was hallucinating, or maybe the juno server was just having a
bad half-hour.  Sometimes, not often, these sessions can fail for no
good reason, or at least not one that has anything to do with program
code on this end.  I thought maybe trace was changing the timing of
things, so I tried the app without a trace, but with tcpdump active.
AFAICT, it worked fine.  Twice.  One other possibility, - the script
I used to run the app using wine as last built (instead of the installed
wine) invokes it --winver nt40.  I don't think I did that earlier, and
the app might behave differently.  I've installed the patches for now
and I'll beat on them a bit more and see if anything shakes loose.

Sorry, maybe I put you and me both to a lot of trouble because of an
unrelated glitch.  I would feel better if somebody else besides me would
take a swat at testing these winsock patches, too.


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