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Re: [lwip-users] Clean-up thread in case of GPRS connection lost
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From: |
Sylvain Rochet |
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Subject: |
Re: [lwip-users] Clean-up thread in case of GPRS connection lost |
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Date: |
Mon, 22 Jul 2013 10:22:03 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi Pierre-Yves,
On Mon, Jul 22, 2013 at 09:38:42AM +0200, pierre-yves.boisbunon wrote:
> Hi Lwip Users,
>
> I am using LWIP with a GPRS module (through PPP connection). I am wondering
> how to cleanly terminate a task in case of lost of GPRS signal.
>
> Indeed with the modem I'm using, I can catch GPRS connection lost event and
> in that case I'm calling ppp_sigup() API from LWIP. But in that case it
> seems the ppp thread is not terminated in a clean way (the task is not
> deleted).
>
> Could you please help me to correctly catch this event?
Yes, this is one of the known drawback of the PPP_INPROC_OWNTHREAD
feature, please use only PPP_INPROC_MULTITHREADED instead with your own
receive loop.
For information, I have removed the lwIP owned receive thread from my
ppp-new branch because it draws much more inconvenients for (almost) no
advantages.
Sylvain
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