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Re: [lwip-users] endless loop in netconn_write


From: Kieran Mansley
Subject: Re: [lwip-users] endless loop in netconn_write
Date: Thu, 27 Jul 2006 09:13:14 +0100

On Thu, 2006-07-27 at 10:06 +0200, M. Gotink wrote:

> Today we've noticed that the MEMP_TCP_PCB (which is set to 32 right now) 
> buffer 
> shows some errors. As far as i know this buffer is just the number of active 
> connections. So when we are doing 3 requests at once and wait until all 
> connections are closed before doing a new request, this buffer should be 3 
> max...
> So it looks like not all connections are closed, which can cause problems 
> with 
> some memory which won't be freed.

Again, connections in the TCP TIME_WAIT state could explain that: the
PCBs will continue to exist after the connection has closed until they
time out.  

Kieran 





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