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Re: [lwip-users] ppp-new threading question

From: Sylvain Rochet
Subject: Re: [lwip-users] ppp-new threading question
Date: Fri, 29 Aug 2014 22:29:17 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Hi Ivan,

On Fri, Aug 29, 2014 at 10:16:04AM -0600, Ivan Delamer wrote:
> I feel almost embarrassed asking this but I haven't completely
> figured it out yet.
> In ppp-new, are packets sent to sio_write() from tcpip thread, or
> from the RX process thread? Or both?

tcpip thread only.

(The stack owned RX process thread does not exist anymore, this was 
broken by design).

> I just ask because sio_write() may block for some time (at least in
> my basic implementation) and I'm wondering if this is blocking the
> rest of the stack.

Yes, it will, sio_write() should not block.


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