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RE: [lwip-users] Recv en socket TCP


From: Bill Auerbach
Subject: RE: [lwip-users] Recv en socket TCP
Date: Mon, 5 Oct 2009 10:47:32 -0400

>As Kieran already said, it is generally a good idea to first get your
>application running with the standard options and once that works begin
>tweaking it to suit your memory/resource needs. MEM_LIBC_MALLOC saves
>you some code-memory if you already use malloc provided by your
>C-library somewhere else (not in lwIP) because you then do not need the
>lwIP heap implementation. On the other hand, memory usage gets a little
>less predictable as you then share the heap with the rest of the code
>running on your target. Thus, this setting largley depends on your
>target.

I thought I'd ask something that just occurred to me: Can lwIP's
implementation of malloc result in fragmentation of lwIP's heap?

If it can, than a system requiring 24/7 operation would be better off using
lwIP pools since they cannot fragment. 

Bill





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