[PATCH] ioctl_tty.2: Document TIOCSERGETLSR/TIOCSER_TEMT

[PATCH] ioctl_tty.2: Document TIOCSERGETLSR/TIOCSER_TEMT

[Pali Rohár]

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 man2/ioctl_tty.2 | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
index 759ea7bba62f..41ff38b6f578 100644
--- a/man2/ioctl_tty.2
+++ b/man2/ioctl_tty.2
@@ -309,6 +309,21 @@ for the argument values
 .BR TCIFLUSH ,
 .BR TCOFLUSH ,
 .BR TCIOFLUSH .
+.TP
+.B TIOCSERGETLSR
+Argument:
+.BI "int\~*" argp
+.IP
+Get line status register. Status register has
+.B TIOCSER_TEMT
+bit set when output buffer is empty and also hardware transmitter is physically empty.
+.IP
+Does not have to be supported by all serial tty drivers.
+.IP
+.BR tcdrain (3)
+does not wait and returns immediately when
+.B TIOCSER_TEMT
+bit is set.
 .SS Faking input
 .TP
 .B TIOCSTI
@@ -890,7 +905,6 @@ main(int argc, char *argv[])
 .\" TIOCSERGWILD		int *
 .\" TIOCSERSWILD		const int *
 .\" TIOCSERGSTRUCT		struct async_struct *
-.\" TIOCSERGETLSR		int *
 .\" TIOCSERGETMULTI		struct serial_multiport_struct *
 .\" TIOCSERSETMULTI		const struct serial_multiport_struct *
 .\" TIOCGSERIAL, TIOCSSERIAL (see above)
-- 
2.20.1

Re: [PATCH] ioctl_tty.2: Document TIOCSERGETLSR/TIOCSER_TEMT

[Alejandro Colomar]

[-- Attachment #1.1: Type: text/plain, Size: 1377 bytes --]

Hi Pali!

On 10/26/22 21:12, Pali Rohár wrote:
> Signed-off-by: Pali Rohár <pali@kernel.org>

Patch applied.  Thanks!

Cheers,

Alex

> ---
>   man2/ioctl_tty.2 | 16 +++++++++++++++-
>   1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
> index 759ea7bba62f..41ff38b6f578 100644
> --- a/man2/ioctl_tty.2
> +++ b/man2/ioctl_tty.2
> @@ -309,6 +309,21 @@ for the argument values
>   .BR TCIFLUSH ,
>   .BR TCOFLUSH ,
>   .BR TCIOFLUSH .
> +.TP
> +.B TIOCSERGETLSR
> +Argument:
> +.BI "int\~*" argp
> +.IP
> +Get line status register. Status register has
> +.B TIOCSER_TEMT
> +bit set when output buffer is empty and also hardware transmitter is physically empty.
> +.IP
> +Does not have to be supported by all serial tty drivers.
> +.IP
> +.BR tcdrain (3)
> +does not wait and returns immediately when
> +.B TIOCSER_TEMT
> +bit is set.
>   .SS Faking input
>   .TP
>   .B TIOCSTI
> @@ -890,7 +905,6 @@ main(int argc, char *argv[])
>   .\" TIOCSERGWILD		int *
>   .\" TIOCSERSWILD		const int *
>   .\" TIOCSERGSTRUCT		struct async_struct *
> -.\" TIOCSERGETLSR		int *
>   .\" TIOCSERGETMULTI		struct serial_multiport_struct *
>   .\" TIOCSERSETMULTI		const struct serial_multiport_struct *
>   .\" TIOCGSERIAL, TIOCSSERIAL (see above)

-- 
<http://www.alejandro-colomar.es/>

[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]