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[lwip-devel] [bug #27117] tcp_listen_with_backlog
From: |
Chris N. Strahm |
Subject: |
[lwip-devel] [bug #27117] tcp_listen_with_backlog |
Date: |
Mon, 27 Jul 2009 10:52:55 +0000 |
User-agent: |
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Avant Browser; .NET CLR 1.1.4322; .NET CLR 2.0.50727) |
URL:
<http://savannah.nongnu.org/bugs/?27117>
Summary: tcp_listen_with_backlog
Project: lwIP - A Lightweight TCP/IP stack
Submitted by: cstrahm
Submitted on: Mon 27 Jul 2009 10:52:52 AM GMT
Category: TCP
Severity: 3 - Normal
Item Group: Faulty Behaviour
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release:
lwIP version: 1.3.0
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Details:
#define TCP_LISTEN_BACKLOG 1
Connection count is never decremented, backlog builds up, and TCP dies.
> It seems like closing never decrements the backlog count.
> Something like that. Is the way it should work?
No. When you accept a connection it should decrement the backlog count, but I
can't see anywhere in the code where this is done - looks like you've found a
bug. Could you file a bug on savannah, and for now use the workaround of not
specifying TCP_LISTEN_BACKLOG
Kieran
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