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Re: [lwip-users] Lwip timer ISR priority
From: |
Simon Goldschmidt |
Subject: |
Re: [lwip-users] Lwip timer ISR priority |
Date: |
Wed, 16 Mar 2011 14:40:40 +0100 |
Andrea Merello <address@hidden> wrote:
> What are in general the rules about concurrency in lwip for the Enet
> ISR, the lwip timers etharp_tmr() and tcp_tmr(), and the user APIs ?
lwIP's concurrency rules are very simple: parallel execution of most parts of
the stack is *not* allowed. This includes almost everything except the
mem(p)_*(), pbuf_*() and sys_*() functions. The netconn- and socket API
functions may also be used from multiple threads, however, these have other
limitations in that their objects may not be shared among multiple threads.
Simon
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- [lwip-users] tcp_write() errors on snd_queuelen, Tim Lambrix, 2011/03/11
- Re: [lwip-users] tcp_write() errors on snd_queuelen, Kieran Mansley, 2011/03/14
- Re: RE: [lwip-users] tcp_write() errors on snd_queuelen, Simon Goldschmidt, 2011/03/16
- Re: [lwip-users] tcp_write() errors on snd_queuelen, Andrew Foster, 2011/03/16
- RE: [lwip-users] tcp_write() errors on snd_queuelen, Tim Lambrix, 2011/03/16
- Re: [lwip-users] tcp_write() errors on snd_queuelen, Andrew Foster, 2011/03/16
- RE: [lwip-users] tcp_write() errors on snd_queuelen, Tim Lambrix, 2011/03/16
- Re: [lwip-users] tcp_write() errors on snd_queuelen, Simon Goldschmidt, 2011/03/16
- RE: [lwip-users] tcp_write() errors on snd_queuelen, Tim Lambrix, 2011/03/16
- RE: [lwip-users] tcp_write() errors on snd_queuelen, Kieran Mansley, 2011/03/17