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Date: Fri, 14 Dec 2007 14:52:39 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: VM and non-blocking writes
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On Dec 14 14:41, Corinna Vinschen wrote:
> On the other hand, as soon as I call send (or WSASendTo) multiple
> times with smaller sizes (I tried with 10k), select starts to
> block at one point.  But even then strange things happen.  After
> some time (after 5 seconds, then after 14 seconds, then about every
> 60 seconds) select() just signals the socket ready for write and
> the next send adds another 10K to the internal buffer.  A tcpdump
> on the interface shows that no package goes over the line... which
> would be a surprise anyway, given that the peer does not even once
> call read().

Hmm, a few minutes ago select() mysteriously blocked fully after send
has written 19 blocks of 10K each....


Corinna

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

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