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71 lines
2.3 KiB
Groff
71 lines
2.3 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 1996 Doug Rabson
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $Id: VOP_ADVLOCK.9,v 1.1 1997/03/03 18:00:05 dfr Exp $
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.\"
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.Dd July 24, 1996
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.Os
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.Dt VOP_ADVLOCK 9
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.Sh NAME
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.Nm VOP_ADVLOCK
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.Nd advisory record locking
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.Sh SYNOPSIS
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.Fd #include <sys/param.h>
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.Fd #include <sys/vnode.h>
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.Fd #include <sys/fcntl.h>
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.Fd #include <sys/lockf.h>
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.Ft int
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.Fn VOP_ADVLOCK "struct vnode *vp" "caddr_t id" "int op" "struct flock *fl" "int flags"
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.Sh DESCRIPTION
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.Pp
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The arguments are:
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.Bl -tag -width flags
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.It Ar vp
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the vnode being manipulated
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.It Ar id
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the process changing the lock
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.It Ar op
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the operation to perform
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.It Ar fl
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description of the lock
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.It Ar flags
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???
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.El
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.Pp
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This entry point manipulates advisory record locks on the file. Most
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filesystems delegate the work for this call to
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.Xr lf_advlock 9 .
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.Sh RETURN VALUES
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Zero is returned on success, otherwise an error is returned.
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.Sh SEE ALSO
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.Xr vnode 9 ,
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.Xr flock 2 ,
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.Xr fcntl 2
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.Sh AUTHORS
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This man page was written by Doug Rabson.
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