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Re: [lwip-users] Loopback problems

From: Fabian Koch
Subject: Re: [lwip-users] Loopback problems
Date: Tue, 4 Aug 2009 17:29:09 +0200

> Big Fat Warning! This is not how it works! You are cleary violating
> threading rules here!!! Don't ever access the pcb from a different
> thread than the tcpip_thread or you will get random results!

This poses some more questions...

Until now I used:

conn->pcb.tcp->state        : to print the state of my connections
conn->pcb.ip->ttl                : as a replacement of SOCKET_SO_IP_TTL
conn->pcb.tcp->keep_idle: as a replacement of SOCKET_SO_KEEPALIVE

I think the first one I got from this list because I asked for a way to get the TCP state.
The other two I use because I don't use the socket-API and have disabled it but still need to present a set_sock_opt sort of fuction to the outside.

Any ideas how I can make that work (even though it all worked until now)?

Like I said, I'd be willing to send patches to get accepted so that I can use a vanilla release some day.

kind regards,

ps: Simon, we could do a hack-end on LwIP, if you work on LwIP on weekends. I'm only about 10km away...
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