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Re: [lwip-users] One active TCP connection at a time

From: address@hidden
Subject: Re: [lwip-users] One active TCP connection at a time
Date: Mon, 4 Nov 2019 21:30:23 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

Am 31.10.2019 um 20:59 schrieb Jeffrey Nichols:
Replying to myself here. This did indeed cause issues.

Calling tcp_close() on the listening pcb inside the tcp_accept callback
I occasionally get a deadlock inside tcp_remove_listener(), where the
linked list is circular: pcb->next is equal to pcb.

Anyone have any ideas for how to debug/fix this?

That should not happen. When getting such circular lists, most probably
a threading issue is the cause.


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