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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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30
share/man/man9/dev_clone.9
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@ -24,7 +24,9 @@
.\"
.\" $FreeBSD$
.\"
.Dd September 8, 2008
.Dd January 3, 2009
.Dt DEV_CLONE 9
.Os
.Sh NAME
.Nm dev_clone ,
.Nm drain_dev_clone_events
@ -40,11 +42,11 @@ EVENTHANDLER_REGISTER(dev_clone, clone_handler, arg, priority);
.Ft void
.Fn drain_dev_clone_events
.Sh DESCRIPTION
Device driver may register a listener that will be notified each time
name lookup on the
.Xr devfs
A device driver may register a listener that will be notified each time
a name lookup on the
.Xr devfs 5
mount point fails to find the vnode.
Listener shall be registered for the
A listener shall be registered for the
.Va dev_clone
event.
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,
appropriate credentials
.Va cr ,
and a name
.Va name
of the length
of length
.Va namelen
that was looked for.
If handler decides that the name is appropriate and want to create device
that will be associated with the name, it should return it to the devfs
that we look for.
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 devfs
in the
.Va dev .
.Va dev
argument.
.Pp
The
.Fn drain_dev_clone_events
function is a barrier.
It is guaranteed that all calls to eventhandlers for dev_clone that were
started before
It is guaranteed that all calls to eventhandlers for
.Nm dev_clone
that were started before
.Fn drain_dev_clone_events
call, are finished before it returns control.
.Pp
.Sh SEE ALSO
.Xr devfs 5 ,
.Xr namei 9