186d7f5d3SJohn Marino.\" Copyright (c) 1996 Doug Rabson 286d7f5d3SJohn Marino.\" 386d7f5d3SJohn Marino.\" All rights reserved. 486d7f5d3SJohn Marino.\" 586d7f5d3SJohn Marino.\" This program is free software. 686d7f5d3SJohn Marino.\" 786d7f5d3SJohn Marino.\" Redistribution and use in source and binary forms, with or without 886d7f5d3SJohn Marino.\" modification, are permitted provided that the following conditions 986d7f5d3SJohn Marino.\" are met: 1086d7f5d3SJohn Marino.\" 1. Redistributions of source code must retain the above copyright 1186d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer. 1286d7f5d3SJohn Marino.\" 2. Redistributions in binary form must reproduce the above copyright 1386d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer in the 1486d7f5d3SJohn Marino.\" documentation and/or other materials provided with the distribution. 1586d7f5d3SJohn Marino.\" 1686d7f5d3SJohn Marino.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 1786d7f5d3SJohn Marino.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1886d7f5d3SJohn Marino.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1986d7f5d3SJohn Marino.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 2086d7f5d3SJohn Marino.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2186d7f5d3SJohn Marino.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2286d7f5d3SJohn Marino.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2386d7f5d3SJohn Marino.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2486d7f5d3SJohn Marino.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2586d7f5d3SJohn Marino.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2686d7f5d3SJohn Marino.\" 2786d7f5d3SJohn Marino.\" $FreeBSD: src/share/man/man9/VOP_ADVLOCK.9,v 1.6.2.3 2001/12/17 11:30:18 ru Exp $ 2886d7f5d3SJohn Marino.\" 2986d7f5d3SJohn Marino.Dd June 30, 1999 3086d7f5d3SJohn Marino.Dt VOP_ADVLOCK 9 3186d7f5d3SJohn Marino.Os 3286d7f5d3SJohn Marino.Sh NAME 3386d7f5d3SJohn Marino.Nm VOP_ADVLOCK 3486d7f5d3SJohn Marino.Nd advisory record locking 3586d7f5d3SJohn Marino.Sh SYNOPSIS 3686d7f5d3SJohn Marino.In sys/param.h 3786d7f5d3SJohn Marino.In sys/vnode.h 3886d7f5d3SJohn Marino.In sys/fcntl.h 3986d7f5d3SJohn Marino.In sys/lockf.h 4086d7f5d3SJohn Marino.Ft int 4186d7f5d3SJohn Marino.Fn VOP_ADVLOCK "struct vnode *vp" "caddr_t id" "int op" "struct flock *fl" "int flags" 4286d7f5d3SJohn Marino.Sh DESCRIPTION 4386d7f5d3SJohn MarinoThe arguments are: 4486d7f5d3SJohn Marino.Bl -tag -width flags 4586d7f5d3SJohn Marino.It Fa vp 4686d7f5d3SJohn Marinothe vnode being manipulated 4786d7f5d3SJohn Marino.It Fa id 4886d7f5d3SJohn Marinothe id token which is changing the lock 4986d7f5d3SJohn Marino.It Fa op 5086d7f5d3SJohn Marinothe operation to perform (see 5186d7f5d3SJohn Marino.Xr fcntl 2 ) 5286d7f5d3SJohn Marino.It Fa fl 5386d7f5d3SJohn Marinodescription of the lock 5486d7f5d3SJohn Marino.It Fa flags 5586d7f5d3SJohn MarinoOne of more of the following: 5686d7f5d3SJohn Marino.Bl -column ".Dv F_UNLCK" -offset indent 5786d7f5d3SJohn Marino.It Dv F_RDLCK Ta "shared or read lock" 5886d7f5d3SJohn Marino.It Dv F_UNLCK Ta "unlock" 5986d7f5d3SJohn Marino.It Dv F_WRLCK Ta "exclusive or write lock" 6086d7f5d3SJohn Marino.It Dv F_WAIT Ta "Wait until lock is granted" 6186d7f5d3SJohn Marino.It Dv F_POSIX Ta "Use POSIX semantics for lock" 6286d7f5d3SJohn Marino.El 6386d7f5d3SJohn Marino.El 6486d7f5d3SJohn Marino.Pp 6586d7f5d3SJohn MarinoThis entry point manipulates advisory record locks on the file. Most 6686d7f5d3SJohn Marinofilesystems delegate the work for this call to 6786d7f5d3SJohn Marino.Fn lf_advlock . 6886d7f5d3SJohn Marino.Sh RETURN VALUES 6986d7f5d3SJohn MarinoZero is returned on success, otherwise an error is returned. 7086d7f5d3SJohn Marino.Sh SEE ALSO 7186d7f5d3SJohn Marino.Xr fcntl 2 , 7286d7f5d3SJohn Marino.Xr flock 2 , 7386d7f5d3SJohn Marino.Xr vnode 9 7486d7f5d3SJohn Marino.Sh AUTHORS 7586d7f5d3SJohn MarinoThis man page was written by 7686d7f5d3SJohn Marino.An Doug Rabson . 77