freebsd-dev/share/man/man9/VOP_ADVLOCK.9
1998-03-12 07:31:21 +00:00

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.\" Copyright (c) 1996 Doug Rabson
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.\" $Id: VOP_ADVLOCK.9,v 1.3 1997/09/29 10:10:51 wosch Exp $
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.Dd July 24, 1996
.Os
.Dt VOP_ADVLOCK 9
.Sh NAME
.Nm VOP_ADVLOCK
.Nd advisory record locking
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/vnode.h>
.Fd #include <sys/fcntl.h>
.Fd #include <sys/lockf.h>
.Ft int
.Fn VOP_ADVLOCK "struct vnode *vp" "caddr_t id" "int op" "struct flock *fl" "int flags"
.Sh DESCRIPTION
.Pp
The arguments are:
.Bl -tag -width flags
.It Ar vp
the vnode being manipulated
.It Ar id
the process changing the lock
.It Ar op
the operation to perform
.It Ar fl
description of the lock
.It Ar flags
???
.El
.Pp
This entry point manipulates advisory record locks on the file. Most
filesystems delegate the work for this call to
.Xr lf_advlock 9 .
.Sh RETURN VALUES
Zero is returned on success, otherwise an error is returned.
.Sh SEE ALSO
.Xr fcntl 2 ,
.Xr flock 2 ,
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .