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Mdoc and language cleanup.

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This commit is contained in:
Christian Brueffer 2009-01-03 10:37:38 +00:00
parent eee3404481
commit 9d721de31e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=186714
1 changed files with 17 additions and 13 deletions
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share/man/man9/dev_clone.9
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@ -24,7 +24,9 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd September 8, 2008 .Dd January 3, 2009
.Dt DEV_CLONE 9
.Os
.Sh NAME .Sh NAME
.Nm dev_clone , .Nm dev_clone ,
.Nm drain_dev_clone_events .Nm drain_dev_clone_events
@ -40,11 +42,11 @@ EVENTHANDLER_REGISTER(dev_clone, clone_handler, arg, priority);
.Ft void .Ft void
.Fn drain_dev_clone_events .Fn drain_dev_clone_events
.Sh DESCRIPTION .Sh DESCRIPTION
Device driver may register a listener that will be notified each time A device driver may register a listener that will be notified each time
name lookup on the a name lookup on the
.Xr devfs .Xr devfs 5
mount point fails to find the vnode. mount point fails to find the vnode.
Listener shall be registered for the A listener shall be registered for the
.Va dev_clone .Va dev_clone
event. event.
When called, it is supplied with the first argument When called, it is supplied with the first argument
@ -52,23 +54,25 @@ When called, it is supplied with the first argument
that was specified at handler registration time, that was specified at handler registration time,
appropriate credentials appropriate credentials
.Va cr , .Va cr ,
and a name
.Va name .Va name
of the length of length
.Va namelen .Va namelen
that was looked for. that we look for.
If handler decides that the name is appropriate and want to create device If the handler decides that the name is appropriate and wants to create the device
that will be associated with the name, it should return it to the devfs that will be associated with the name, it should return it to devfs
in the in the
.Va dev . .Va dev
argument.
.Pp .Pp
The The
.Fn drain_dev_clone_events .Fn drain_dev_clone_events
function is a barrier. function is a barrier.
It is guaranteed that all calls to eventhandlers for dev_clone that were It is guaranteed that all calls to eventhandlers for
started before .Nm dev_clone
that were started before
.Fn drain_dev_clone_events .Fn drain_dev_clone_events
call, are finished before it returns control. call, are finished before it returns control.
.Pp
.Sh SEE ALSO .Sh SEE ALSO
.Xr devfs 5 , .Xr devfs 5 ,
.Xr namei 9 .Xr namei 9