Re: [lwip-users] Is netconn/socket fullduplex still "really alpha"?

[Simon Goldschmidt]

On 16.11.2021 18:47, Grant Edwards wrote:
> I've been reading up on netconn/sockets and thread-safety. At
> https://www.nongnu.org/lwip/2_1_x/group__lwip__opts__netconn.html
> it says this about the "fullduplex" option:
>
>          "ATTENTION: This is currently really alpha!"
>
> Is that accurate?

No, that comment is outdated and should be deleted by now.

> That presumably applies to the socket api also?

Yes, of course. The socket implementation fully relies on netconn API,
so it would apply there too.

> One of the main industrial protocol stacks we want to run requires
> thread-safe socket operations (read from one thread, write from
> another), so lwIP stable may not be usable for that product. [I don't
> know if "close from a third" is required or not.]

You should be safe to do that with lwIP by now.

Regards,
Simon