* [PATCH 2/4] ioctl_console.2: use symbolic subcodes
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
@ 2022-09-01 13:36 ` наб
2022-09-01 14:51 ` Jakub Wilk
2022-09-01 13:36 ` [PATCH 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore наб
` (5 subsequent siblings)
6 siblings, 1 reply; 11+ messages in thread
From: наб @ 2022-09-01 13:36 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man
[-- Attachment #1: Type: text/plain, Size: 2883 bytes --]
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
man2/ioctl_console.2 | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 932be4e10..4de0673af 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -663,8 +663,12 @@ pointed to by
referred to here as the
.IR subcode .
These are legal only for the superuser or the owner of the current terminal.
+Symbolic
+.IR subcode s
+are available since
+Linux 2.5.71.
.TP
-.BR TIOCLINUX ", " subcode=0
+.BR TIOCLINUX ", " subcode = 0
Dump the screen.
Disappeared in Linux 1.1.92.
(With kernel 1.1.92 or later, read from
@@ -673,11 +677,11 @@ or
.I /dev/vcsaN
instead.)
.TP
-.BR TIOCLINUX ", " subcode=1
+.BR TIOCLINUX ", " subcode = 1
Get task information.
Disappeared in Linux 1.1.92.
.TP
-.BR TIOCLINUX ", " subcode=2
+.BR TIOCLINUX ", " subcode = TIOCL_SETSEL
Set selection.
.I argp
points to a
@@ -710,35 +714,35 @@ The indicated screen characters are highlighted and saved
in the static array sel_buffer in
.IR devices/char/console.c .
.TP
-.BR TIOCLINUX ", " subcode=3
+.BR TIOCLINUX ", " subcode = TIOCL_PASTESEL
Paste selection.
The characters in the selection buffer are
written to
.IR fd .
.TP
-.BR TIOCLINUX ", " subcode=4
+.BR TIOCLINUX ", " subcode = TIOCL_UNBLANKSCREEN
Unblank the screen.
.TP
-.BR TIOCLINUX ", " subcode=5
+.BR TIOCLINUX ", " subcode = TIOCL_SELLOADLUT
Sets contents of a 256-bit look up table defining characters in a "word",
for word-by-word selection.
(Since Linux 1.1.32.)
.TP
-.BR TIOCLINUX ", " subcode=6
+.BR TIOCLINUX ", " subcode = TIOCL_GETSHIFTSTATE
.I argp
points to a char which is set to the value of the kernel
variable
.IR shift_state .
(Since Linux 1.1.32.)
.TP
-.BR TIOCLINUX ", " subcode=7
+.BR TIOCLINUX ", " subcode = TIOCL_GETMOUSEREPORTING
.I argp
points to a char which is set to the value of the kernel
variable
.IR report_mouse .
(Since Linux 1.1.33.)
.TP
-.BR TIOCLINUX ", " subcode=8
+.BR TIOCLINUX ", " subcode = 8
Dump screen width and height, cursor position, and all the
character-attribute pairs.
(Kernels 1.1.67 through 1.1.91 only.
@@ -746,7 +750,7 @@ With kernel 1.1.92 or later, read from
.I /dev/vcsa*
instead.)
.TP
-.BR TIOCLINUX ", " subcode=9
+.BR TIOCLINUX ", " subcode = 9
Restore screen width and height, cursor position, and all the
character-attribute pairs.
(Kernels 1.1.67 through 1.1.91 only.
@@ -754,7 +758,7 @@ With kernel 1.1.92 or later, write to
.I /dev/vcsa*
instead.)
.TP
-.BR TIOCLINUX ", " subcode=10
+.BR TIOCLINUX ", " subcode = TIOCL_SETVESABLANK
Handles the Power Saving
feature of the new generation of monitors.
VESA screen blanking mode is set to
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
2022-09-01 13:36 ` [PATCH 2/4] ioctl_console.2: use symbolic subcodes наб
@ 2022-09-01 13:36 ` наб
2022-09-01 13:37 ` [PATCH 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17) наб
` (4 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: наб @ 2022-09-01 13:36 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man
[-- Attachment #1: Type: text/plain, Size: 709 bytes --]
And haven't for over a decade.
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
man2/ioctl_console.2 | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 4de0673af..6532f1069 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -711,8 +711,7 @@ is 0 for character-by-character selection,
1 for word-by-word selection,
or 2 for line-by-line selection.
The indicated screen characters are highlighted and saved
-in the static array sel_buffer in
-.IR devices/char/console.c .
+in a kernel buffer.
.TP
.BR TIOCLINUX ", " subcode = TIOCL_PASTESEL
Paste selection.
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17)
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
2022-09-01 13:36 ` [PATCH 2/4] ioctl_console.2: use symbolic subcodes наб
2022-09-01 13:36 ` [PATCH 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore наб
@ 2022-09-01 13:37 ` наб
2022-09-01 15:13 ` Jakub Wilk
2022-09-01 21:28 ` [PATCH 1/4] ioctl_console.2: ffix Alejandro Colomar
` (3 subsequent siblings)
6 siblings, 1 reply; 11+ messages in thread
From: наб @ 2022-09-01 13:37 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man
[-- Attachment #1: Type: text/plain, Size: 2035 bytes --]
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
The formatting for
*(((int32_t *)&subcode) + 1)
probably wants to be slightly different ‒ I defer to your well-formed
opinions on the topic
man2/ioctl_console.2 | 43 ++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 42 insertions(+), 1 deletion(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 6532f1069..8317e13a0 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -785,8 +785,49 @@ blank_timer times out, then you choose this option.
Powering down frequently will damage the monitor.)
(Since Linux 1.1.76.)
.RE
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_SETKMSGREDIRECT
+Change target of kernel messages ("console"):
+by default, and if this is set to
+.BR 0 ,
+messages are written to the currently active VT.
+The VT to write to is a single byte following
+.BR subcode .
+(Since Linux 2.5.36.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_GETFGCONSOLE
+Returns the number of VT currently in foreground.
+(Since Linux 2.5.36.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_SCROLLCONSOLE
+Scroll the foreground VT by the specified amount of
+.I lines
+down,
+or half the screen if
+.BR 0 .
+.I lines
+is *(((int32_t *)&subcode) + 1).
+(Since Linux 2.5.67.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_BLANKSCREEN
+Blank the foreground VT, ignoring "pokes" (typing):
+can only be unblanked explicitly (by switching VTs, to text mode, &c.).
+(Since Linux 2.5.71.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_BLANKEDSCREEN
+Returns the nomber of VT currently blanked,
+.B 0
+if none.
+(Since Linux 2.5.71.)
+.TP
+.BR TIOCLINUX ", " subcode = 16
+Never used.
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_GETKMSGREDIRECT
+Returns target of kernel messages.
+(Since Linux 2.6.17.)
.SH RETURN VALUE
-On success, 0 is returned.
+On success, 0 is returned (except where indicated).
On failure, \-1 is returned, and
.I errno
is set to indicate the error.
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH 1/4] ioctl_console.2: ffix
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
` (2 preceding siblings ...)
2022-09-01 13:37 ` [PATCH 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17) наб
@ 2022-09-01 21:28 ` Alejandro Colomar
2022-09-02 13:06 ` [PATCH v2 2/4] ioctl_console.2: use symbolic subcodes наб
` (2 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: Alejandro Colomar @ 2022-09-01 21:28 UTC (permalink / raw)
To: наб; +Cc: linux-man, Jakub Wilk
[-- Attachment #1.1: Type: text/plain, Size: 3153 bytes --]
Hi!
On 9/1/22 15:35, наб wrote:
> Separate TIOCLINUX from subcode: they're separate variables
>
> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Patch 1/4 applied. Since there's feedback about a few others including
2/4, I'll wait for the others.
Cheers,
Alex
> ---
> man2/ioctl_console.2 | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
> index 28eaade83..932be4e10 100644
> --- a/man2/ioctl_console.2
> +++ b/man2/ioctl_console.2
> @@ -664,7 +664,7 @@ referred to here as the
> .IR subcode .
> These are legal only for the superuser or the owner of the current terminal.
> .TP
> -.B "TIOCLINUX, subcode=0"
> +.BR TIOCLINUX ", " subcode=0
> Dump the screen.
> Disappeared in Linux 1.1.92.
> (With kernel 1.1.92 or later, read from
> @@ -673,11 +673,11 @@ or
> .I /dev/vcsaN
> instead.)
> .TP
> -.B "TIOCLINUX, subcode=1"
> +.BR TIOCLINUX ", " subcode=1
> Get task information.
> Disappeared in Linux 1.1.92.
> .TP
> -.B "TIOCLINUX, subcode=2"
> +.BR TIOCLINUX ", " subcode=2
> Set selection.
> .I argp
> points to a
> @@ -710,35 +710,35 @@ The indicated screen characters are highlighted and saved
> in the static array sel_buffer in
> .IR devices/char/console.c .
> .TP
> -.B "TIOCLINUX, subcode=3"
> +.BR TIOCLINUX ", " subcode=3
> Paste selection.
> The characters in the selection buffer are
> written to
> .IR fd .
> .TP
> -.B "TIOCLINUX, subcode=4"
> +.BR TIOCLINUX ", " subcode=4
> Unblank the screen.
> .TP
> -.B "TIOCLINUX, subcode=5"
> +.BR TIOCLINUX ", " subcode=5
> Sets contents of a 256-bit look up table defining characters in a "word",
> for word-by-word selection.
> (Since Linux 1.1.32.)
> .TP
> -.B "TIOCLINUX, subcode=6"
> +.BR TIOCLINUX ", " subcode=6
> .I argp
> points to a char which is set to the value of the kernel
> variable
> .IR shift_state .
> (Since Linux 1.1.32.)
> .TP
> -.B "TIOCLINUX, subcode=7"
> +.BR TIOCLINUX ", " subcode=7
> .I argp
> points to a char which is set to the value of the kernel
> variable
> .IR report_mouse .
> (Since Linux 1.1.33.)
> .TP
> -.B "TIOCLINUX, subcode=8"
> +.BR TIOCLINUX ", " subcode=8
> Dump screen width and height, cursor position, and all the
> character-attribute pairs.
> (Kernels 1.1.67 through 1.1.91 only.
> @@ -746,7 +746,7 @@ With kernel 1.1.92 or later, read from
> .I /dev/vcsa*
> instead.)
> .TP
> -.B "TIOCLINUX, subcode=9"
> +.BR TIOCLINUX ", " subcode=9
> Restore screen width and height, cursor position, and all the
> character-attribute pairs.
> (Kernels 1.1.67 through 1.1.91 only.
> @@ -754,7 +754,7 @@ With kernel 1.1.92 or later, write to
> .I /dev/vcsa*
> instead.)
> .TP
> -.B "TIOCLINUX, subcode=10"
> +.BR TIOCLINUX ", " subcode=10
> Handles the Power Saving
> feature of the new generation of monitors.
> VESA screen blanking mode is set to
--
Alejandro Colomar
<http://www.alejandro-colomar.es/>
[-- Attachment #2: OpenPGP digital signature --]
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^ permalink raw reply [flat|nested] 11+ messages in thread* [PATCH v2 2/4] ioctl_console.2: use symbolic subcodes
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
` (3 preceding siblings ...)
2022-09-01 21:28 ` [PATCH 1/4] ioctl_console.2: ffix Alejandro Colomar
@ 2022-09-02 13:06 ` наб
2022-09-02 13:06 ` [PATCH v2 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore наб
2022-09-02 13:07 ` [PATCH v2 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17) наб
6 siblings, 0 replies; 11+ messages in thread
From: наб @ 2022-09-02 13:06 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man, Jakub Wilk
[-- Attachment #1: Type: text/plain, Size: 2944 bytes --]
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
v2: uapi header noted
man2/ioctl_console.2 | 30 ++++++++++++++++++------------
1 file changed, 18 insertions(+), 12 deletions(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 932be4e10..338c5e6c8 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -663,8 +663,14 @@ pointed to by
referred to here as the
.IR subcode .
These are legal only for the superuser or the owner of the current terminal.
-.TP
-.BR TIOCLINUX ", " subcode=0
+Symbolic
+.IR subcode s
+are available in
+.I <linux/tiocl.h>
+since
+Linux 2.5.71.
+.TP
+.BR TIOCLINUX ", " subcode = 0
Dump the screen.
Disappeared in Linux 1.1.92.
(With kernel 1.1.92 or later, read from
@@ -673,11 +679,11 @@ or
.I /dev/vcsaN
instead.)
.TP
-.BR TIOCLINUX ", " subcode=1
+.BR TIOCLINUX ", " subcode = 1
Get task information.
Disappeared in Linux 1.1.92.
.TP
-.BR TIOCLINUX ", " subcode=2
+.BR TIOCLINUX ", " subcode = TIOCL_SETSEL
Set selection.
.I argp
points to a
@@ -710,35 +716,35 @@ The indicated screen characters are highlighted and saved
in the static array sel_buffer in
.IR devices/char/console.c .
.TP
-.BR TIOCLINUX ", " subcode=3
+.BR TIOCLINUX ", " subcode = TIOCL_PASTESEL
Paste selection.
The characters in the selection buffer are
written to
.IR fd .
.TP
-.BR TIOCLINUX ", " subcode=4
+.BR TIOCLINUX ", " subcode = TIOCL_UNBLANKSCREEN
Unblank the screen.
.TP
-.BR TIOCLINUX ", " subcode=5
+.BR TIOCLINUX ", " subcode = TIOCL_SELLOADLUT
Sets contents of a 256-bit look up table defining characters in a "word",
for word-by-word selection.
(Since Linux 1.1.32.)
.TP
-.BR TIOCLINUX ", " subcode=6
+.BR TIOCLINUX ", " subcode = TIOCL_GETSHIFTSTATE
.I argp
points to a char which is set to the value of the kernel
variable
.IR shift_state .
(Since Linux 1.1.32.)
.TP
-.BR TIOCLINUX ", " subcode=7
+.BR TIOCLINUX ", " subcode = TIOCL_GETMOUSEREPORTING
.I argp
points to a char which is set to the value of the kernel
variable
.IR report_mouse .
(Since Linux 1.1.33.)
.TP
-.BR TIOCLINUX ", " subcode=8
+.BR TIOCLINUX ", " subcode = 8
Dump screen width and height, cursor position, and all the
character-attribute pairs.
(Kernels 1.1.67 through 1.1.91 only.
@@ -746,7 +752,7 @@ With kernel 1.1.92 or later, read from
.I /dev/vcsa*
instead.)
.TP
-.BR TIOCLINUX ", " subcode=9
+.BR TIOCLINUX ", " subcode = 9
Restore screen width and height, cursor position, and all the
character-attribute pairs.
(Kernels 1.1.67 through 1.1.91 only.
@@ -754,7 +760,7 @@ With kernel 1.1.92 or later, write to
.I /dev/vcsa*
instead.)
.TP
-.BR TIOCLINUX ", " subcode=10
+.BR TIOCLINUX ", " subcode = TIOCL_SETVESABLANK
Handles the Power Saving
feature of the new generation of monitors.
VESA screen blanking mode is set to
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v2 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
` (4 preceding siblings ...)
2022-09-02 13:06 ` [PATCH v2 2/4] ioctl_console.2: use symbolic subcodes наб
@ 2022-09-02 13:06 ` наб
2022-09-02 13:07 ` [PATCH v2 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17) наб
6 siblings, 0 replies; 11+ messages in thread
From: наб @ 2022-09-02 13:06 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man, Jakub Wilk
[-- Attachment #1: Type: text/plain, Size: 709 bytes --]
And haven't for over a decade.
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
man2/ioctl_console.2 | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 338c5e6c8..0c25edf67 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -713,8 +713,7 @@ is 0 for character-by-character selection,
1 for word-by-word selection,
or 2 for line-by-line selection.
The indicated screen characters are highlighted and saved
-in the static array sel_buffer in
-.IR devices/char/console.c .
+in a kernel buffer.
.TP
.BR TIOCLINUX ", " subcode = TIOCL_PASTESEL
Paste selection.
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v2 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17)
2022-09-01 13:35 [PATCH 1/4] ioctl_console.2: ffix наб
` (5 preceding siblings ...)
2022-09-02 13:06 ` [PATCH v2 3/4] ioctl_console.2: devices/char/console.c and sel_buffer don't exist anymore наб
@ 2022-09-02 13:07 ` наб
2022-09-02 19:07 ` Alejandro Colomar
6 siblings, 1 reply; 11+ messages in thread
From: наб @ 2022-09-02 13:07 UTC (permalink / raw)
To: Alejandro Colomar (man-pages); +Cc: linux-man, Jakub Wilk
[-- Attachment #1: Type: text/plain, Size: 1921 bytes --]
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
---
v2: with corrections from Jakub
man2/ioctl_console.2 | 43 ++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 42 insertions(+), 1 deletion(-)
diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
index 0c25edf67..145e98081 100644
--- a/man2/ioctl_console.2
+++ b/man2/ioctl_console.2
@@ -787,8 +787,49 @@ blank_timer times out, then you choose this option.
Powering down frequently will damage the monitor.)
(Since Linux 1.1.76.)
.RE
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_SETKMSGREDIRECT
+Change target of kernel messages ("console"):
+by default, and if this is set to
+.BR 0 ,
+messages are written to the currently active VT.
+The VT to write to is a single byte following
+.BR subcode .
+(Since Linux 2.5.36.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_GETFGCONSOLE
+Returns the number of VT currently in foreground.
+(Since Linux 2.5.36.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_SCROLLCONSOLE
+Scroll the foreground VT by the specified amount of
+.I lines
+down,
+or half the screen if
+.BR 0 .
+.I lines
+is *(((int32_t *)&subcode) + 1).
+(Since Linux 2.5.67.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_BLANKSCREEN
+Blank the foreground VT, ignoring "pokes" (typing):
+can only be unblanked explicitly (by switching VTs, to text mode, etc.).
+(Since Linux 2.5.71.)
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_BLANKEDSCREEN
+Returns the number of VT currently blanked,
+.B 0
+if none.
+(Since Linux 2.5.71.)
+.TP
+.BR TIOCLINUX ", " subcode = 16
+Never used.
+.TP
+.BR TIOCLINUX ", " subcode = TIOCL_GETKMSGREDIRECT
+Returns target of kernel messages.
+(Since Linux 2.6.17.)
.SH RETURN VALUE
-On success, 0 is returned.
+On success, 0 is returned (except where indicated).
On failure, \-1 is returned, and
.I errno
is set to indicate the error.
--
2.30.2
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^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v2 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17)
2022-09-02 13:07 ` [PATCH v2 4/4] ioctl_console.2: document all extant TIOCLINUX subcodes as of 6.0 (2.6.17) наб
@ 2022-09-02 19:07 ` Alejandro Colomar
0 siblings, 0 replies; 11+ messages in thread
From: Alejandro Colomar @ 2022-09-02 19:07 UTC (permalink / raw)
To: наб; +Cc: linux-man, Jakub Wilk
[-- Attachment #1.1: Type: text/plain, Size: 2222 bytes --]
Hi!
On 9/2/22 15:07, наб wrote:
> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Patch set applied. And added Cc: Jakub ... to the log.
Cheers,
Alex
> ---
> v2: with corrections from Jakub
>
> man2/ioctl_console.2 | 43 ++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 42 insertions(+), 1 deletion(-)
>
> diff --git a/man2/ioctl_console.2 b/man2/ioctl_console.2
> index 0c25edf67..145e98081 100644
> --- a/man2/ioctl_console.2
> +++ b/man2/ioctl_console.2
> @@ -787,8 +787,49 @@ blank_timer times out, then you choose this option.
> Powering down frequently will damage the monitor.)
> (Since Linux 1.1.76.)
> .RE
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_SETKMSGREDIRECT
> +Change target of kernel messages ("console"):
> +by default, and if this is set to
> +.BR 0 ,
> +messages are written to the currently active VT.
> +The VT to write to is a single byte following
> +.BR subcode .
> +(Since Linux 2.5.36.)
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_GETFGCONSOLE
> +Returns the number of VT currently in foreground.
> +(Since Linux 2.5.36.)
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_SCROLLCONSOLE
> +Scroll the foreground VT by the specified amount of
> +.I lines
> +down,
> +or half the screen if
> +.BR 0 .
> +.I lines
> +is *(((int32_t *)&subcode) + 1).
> +(Since Linux 2.5.67.)
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_BLANKSCREEN
> +Blank the foreground VT, ignoring "pokes" (typing):
> +can only be unblanked explicitly (by switching VTs, to text mode, etc.).
> +(Since Linux 2.5.71.)
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_BLANKEDSCREEN
> +Returns the number of VT currently blanked,
> +.B 0
> +if none.
> +(Since Linux 2.5.71.)
> +.TP
> +.BR TIOCLINUX ", " subcode = 16
> +Never used.
> +.TP
> +.BR TIOCLINUX ", " subcode = TIOCL_GETKMSGREDIRECT
> +Returns target of kernel messages.
> +(Since Linux 2.6.17.)
> .SH RETURN VALUE
> -On success, 0 is returned.
> +On success, 0 is returned (except where indicated).
> On failure, \-1 is returned, and
> .I errno
> is set to indicate the error.
--
Alejandro Colomar
<http://www.alejandro-colomar.es/>
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