RE: [lwip-users] listening connection issue

[Kieran Mansley]

On Tue, 2010-03-16 at 07:35 -0700, JM wrote:
> Ok, I will make this change.  But, even if that memory was freed
> before it was sent, it should still accept a new incoming connection
> afterward, correct?  And should at least send whatever happens to be
> in that memory space?  I'm trying to figure out why it sometimes
> refuses to respond to a new connection attempt, even when there are
> currently no active connections.

Once you've fixed the handling of tcp_close() and tcp_sent() reproduce
the problem and check the LWIP_STATs figures at the time that you see
the problem.  These might explain why the stack is refusing to accept
the connection, as my guess is that there is some resource it has run
out of.

Kieran