1.\" $OpenBSD: vhold.9,v 1.5 2007/05/31 19:20:01 jmc Exp $ 2.\" 3.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice(s), this list of conditions and the following disclaimer as 10.\" the first lines of this file unmodified other than the possible 11.\" addition of one or more copyright notices. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice(s), this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 17.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY 20.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 26.\" DAMAGE. 27.\" 28.\" $FreeBSD: src/share/man/man9/vhold.9,v 1.2 2001/12/14 09:11:13 ru Exp $ 29.\" 30.Dd $Mdocdate: May 31 2007 $ 31.Dt VHOLD 9 32.Os 33.Sh NAME 34.Nm vhold 35.Nd acquire a hold on a vnode 36.Sh SYNOPSIS 37.Fd #include <sys/param.h> 38.Fd #include <sys/vnode.h> 39.Ft void 40.Fn vhold "struct vnode *vp" 41.Sh DESCRIPTION 42The 43.Fn vhold 44function increments the 45.Va v_holdcnt 46of the given vnode. 47If the vnode has already been added to the free list and its 48.Va v_holdcnt 49and 50.Va v_usecount 51are both zero, it will be removed from the free list and 52added to the vnode hold list. 53.Sh SEE ALSO 54.Xr vnode 9 55.Sh AUTHORS 56This man page was orignally written by 57.An Chad David Aq davidc@acns.ab.ca 58for 59.Fx . 60