Re: [lwip-users] Bug in pbuf.c regarding PBUF_POOL

[Leon Woestenberg]

Hello all,

this is very late reply.

On Sun, 2006-10-22 at 07:44 +0100, Kieran Mansley wrote:
> On Fri, Oct 20, 2006 at 11:37:23PM +0100, Jonathan Larmour wrote:
> > With the current code, I think the only solution is SYS_LIGHTWEIGHT_PROT. 
> > My opinion is that the !SYS_LIGHTWEIGHT_PROT stuff should probably just be 
> > removed.
> > 
> 
> Thanks for the detailed post - good to see folks getting to grips with
> the stack.  The above seemed to summarise quite nicely and I agree
> completely with that.
> 
I completely agree with you; It's good to see there is interest in the
lwIP stack from developers that are concerned abouts its correctness.

The SYS_LIGHTWEIGHT_PROT protection was introduced by one of the
developers using the stack to protect *ONLY* between interrupt context
and single-thread user-space context if I am not mistaken.

I am all for removing it, because the locking solution does not scale
across different platforms.

Regards,

Leon.