[PATCH] Linux: Define struct termios2 in <termios.h> under _GNU_SOURCE [BZ #10339]

[Adhemerval Zanella]

On 11/04/2019 08:07, Florian Weimer wrote:
> * Adhemerval Zanella:
> 
>> This allows us to adjust the baud rates to non-standard values using termios
>> interfaces without to resorting to add new headers and use a different API
>> (ioctl).
> 
> How much symbol versioning will be required for this change?

I think all interfaces that have termios as input for sparc and mips 
(tcgetattr, tcsetattr, cfmakeraw, cfgetispeed, cfgetospeed, cfsetispeed,
cfsetospeed, cfsetspeed).

Alpha will also need to use termios1 for pre-4.20 kernels.

> 
>> As Peter Anvin has indicated, he create a POC [1] with the aforementioned
>> new interfaces.  It has not been rebased against master, more specially against
>> my termios refactor to simplify the multiple architecture header definitions,
>> but I intend to use as a base.
> 
> Reference [1] is still missing. 8-(

Oops... it is https://git.zytor.com/users/hpa/glibc/termbaud.git/log/?h=wip.termbaud

> 
> Thanks,
> Florian
>