WIP/RFC patch for Linux termios overhaul

[H. Peter Anvin]

On 4/5/25 13:15, Maciej W. Rozycki wrote:
> 
>   Thank you for your effort; this issue has been discussed recently in the
> context of a GDB hack required for arbitrary baud rates, and in fact glibc
> does have support for them (documented in the manual), it has always had,
> but it was never implemented for Linux (it works for GNU Hurd IIUC).
> 
>   I have summarised my findings and outlined a possible solution in BZ
> #32328, <https://sourceware.org/bugzilla/show_bug.cgi?id=32328>, with the
> intent to have a look into it sometime, though with my backlog of stuff
> that surely wouldn't be soon.  The original discussion on GDB is referred
> from there.
> 
>   I skimmed over your changes and I can see you've come up with the same
> approach, which I find encouraging.  Can you please have a look at my bug
> report if you haven't already and refer to it with your effort?
> 

I have updated my RFC patchset for this at:

https://git.zytor.com/linux/glibc.git/log/?h=hpa/notermio

Testing and eyeballs of someone who understands glibc internals and 
conventions better than me would be extremely helpful.

	-hpa