Re: [PATCH v2] termios.3: SPARC architecture has 4 different Bnnn constants

["Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>]

Hi, Pali!

On 8/1/21 1:35 PM, Pali Rohár wrote:
> SPARC is special, it does not have Bnnn constants for baud rates above
> 2000000. Instead it defines 4 Bnnn constants with smaller baud rates.
> 
> This difference between SPARC and non-SPARC architectures is present in
> both glibc API (termios.h) and also kernel ioctl API (asm/termbits.h).
> 
> Signed-off-by: Pali Rohár <pali@kernel.org>

Patch applied!

Thanks,

Alex

> ---
>   man3/termios.3 | 23 +++++++++++++++++++++++
>   1 file changed, 23 insertions(+)
> 
> diff --git a/man3/termios.3 b/man3/termios.3
> index 7b195c95912b..500cf0713e4d 100644
> --- a/man3/termios.3
> +++ b/man3/termios.3
> @@ -953,6 +953,24 @@ to by \fItermios_p\fP to \fIspeed\fP, which must be one of these constants:
>   	B1152000
>   	B1500000
>   	B2000000
> +.ft P
> +.fi
> +.PP
> +These constants are additionally supported on the SPARC architecture:
> +.PP
> +.nf
> +.ft B
> +	B76800
> +	B153600
> +	B307200
> +	B614400
> +.ft P
> +.fi
> +.PP
> +These constants are additionally supported on non-SPARC architectures:
> +.PP
> +.nf
> +.ft B
>   	B2500000
>   	B3000000
>   	B3500000
> @@ -960,6 +978,11 @@ to by \fItermios_p\fP to \fIspeed\fP, which must be one of these constants:
>   .ft P
>   .fi
>   .PP
> +Due to differences between architectures, portable applications should check
> +if a particular
> +.BI B nnn
> +constant is defined prior to using it.
> +.PP
>   The zero baud rate, \fBB0\fP,
>   is used to terminate the connection.
>   If B0 is specified, the modem control lines shall no longer be asserted.
> 


-- 
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/