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[lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change

From: Simon Goldschmidt
Subject: [lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change.
Date: Sun, 13 May 2007 15:05:56 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv: Gecko/20070309 Firefox/

Follow-up Comment #13, bug #3168 (project lwip):

>The receive side, however, sits there and waits since there is no new packet

Knowing which error code to return, it would be the easiest to call
udp_pcb->recv() with a pbuf = NULL to indicate an error, which could set
conn->err appropriately. That way, a new recv would return that error.
Handling a blocking recv while changing the ip_addr would still remain,


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