Re: [lwip-users] Thread awareness

[Kieran Mansley]

On Wed, 2008-11-26 at 13:00 +0100, Micael wrote:
> Hi Guys,
> 
> In my quest of mapping out/understanding the functionality and inner
> workings of lwip, I have come to the 'thread awareness' part.
> 
> I understand the code are written to use and care about threads, at least
> with the netconn and socket interface, but to what extent?
> 
> 
> 1. Can I, for instance, have multiple threads managing their own sockets?
> i.e. can I do a http server as a thread, creating/using/closing while I
> have another thread doing similar stuff on another port?
> 
> 2. I guess that each socket in it self is not threadsafe; i.e. I cannot
> create a listen thread, and another writing thread using the same socket.
> ( this would surprise me, but I thought I should ask ;-) )

2 definitely won't work.  1 might work.  Safest would be to direct all
socket access through a single thread.

Kieran