xref: /freebsd/share/man/man9/vrefcnt.9 (revision 63dab8eed99114670445270e26cf7193fe55e0fa)
1.\" Copyright (C) 2007 Chad David <davidc@acns.ab.ca>.
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice(s), this list of conditions and the following disclaimer as
9.\"    the first lines of this file unmodified other than the possible
10.\"    addition of one or more copyright notices.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\"    notice(s), this list of conditions and the following disclaimer in the
13.\"    documentation and/or other materials provided with the distribution.
14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
16.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18.\" DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
25.\" DAMAGE.
26.\"
27.\" $FreeBSD$
28.\"
29.Dd February 10, 2008
30.Dt VREFCNT 9
31.Os
32.Sh NAME
33.Nm vrefcnt
34.Nd returns the use count of a vnode
35.Sh SYNOPSIS
36.In sys/param.h
37.In sys/vnode.h
38.Ft int
39.Fn vrefcnt "struct vnode *vp"
40.Sh DESCRIPTION
41Returns the use count of a vnode.
42.Pp
43See
44.Xr vnode 9
45for a detailed description of the vnode reference counts.
46.Sh SEE ALSO
47.Xr vget 9 ,
48.Xr vnode 9 ,
49.Xr vput 9 ,
50.Xr vrele 9
51.Sh AUTHORS
52This manual page was written by
53.An Chad David .
54