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| author |   mglocker <mglocker@openbsd.org> | 2020-12-29 12:28:23 +0000 |
|---|---|---|
| committer | mglocker <mglocker@openbsd.org> | 2020-12-29 12:28:23 +0000 |
| commit | cdf311310f1bca9abe45729faa364c27320bf917 (patch) | |
| tree | b53ce246ed90567977ffe84ed051068bbe4bdea0 /lib/libc | |
| parent | sync usage() with SYNOPSIS; the -S option remains (diff) | |
| download | wireguard-openbsd-cdf311310f1bca9abe45729faa364c27320bf917.tar.xz wireguard-openbsd-cdf311310f1bca9abe45729faa364c27320bf917.zip | |
Document kern.video.record.
With help/input from jmc@ and kn@.
ok jmc@
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/sysctl.2 | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/libc/sys/sysctl.2 b/lib/libc/sys/sysctl.2 index 0b9be238c59..d430659cde3 100644 --- a/lib/libc/sys/sysctl.2 +++ b/lib/libc/sys/sysctl.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sysctl.2,v 1.41 2020/08/04 09:32:05 mvs Exp $ +.\" $OpenBSD: sysctl.2,v 1.42 2020/12/29 12:28:23 mglocker Exp $ .\" .\" Copyright (c) 1993 .\" The Regents of the University of California. All rights reserved. @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: August 4 2020 $ +.Dd $Mdocdate: December 29 2020 $ .Dt SYSCTL 2 .Os .Sh NAME @@ -491,6 +491,7 @@ information. .It Dv KERN_TTYCOUNT Ta "integer" Ta "no" .It Dv KERN_UTC_OFFSET Ta "integer" Ta "yes" .It Dv KERN_VERSION Ta "string" Ta "no" +.It Dv KERN_VIDEO Ta "node" Ta "yes" .It Dv KERN_WATCHDOG Ta "node" Ta "not applicable" .It Dv KERN_WITNESS Ta "node" Ta "not applicable" .It Dv KERN_WXABORT Ta "integer" Ta "yes" @@ -1104,6 +1105,22 @@ greater than 0, this variable may not be changed. .It Dv KERN_VERSION Pq Va kern.version The system version string. +.It Dv KERN_VIDEO Pq Va kern.video +Control device-independent aspects of the +.Xr video 4 +subsystem. +Currently, there is one subnode: +.Bl -column "KERN_VIDEO_RECORD" "integer" "Changeable" -offset indent +.It Sy "Third level name" Ta Sy "Type" Ta Sy "Changeable" +.It Dv KERN_VIDEO_RECORD Ta "integer" Ta "yes" +.El +.Pp +Its meaning is as follows: +.Bl -tag -width "123456" +.It Dv KERN_VIDEO_RECORD Pq Va kern.video.record +If set to the default value of 0, recording is blanked for all video devices. +If the value is non-zero, video recording is enabled. +.El .It Dv KERN_WATCHDOG Pq Va kern.watchdog Return information on hardware watchdog timers. If the kernel does not support a hardware watchdog timer, |