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aa12cea2cc
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc. Reviewed by: ru Approved by: philip, ed (mentors)
84 lines
2.6 KiB
Groff
84 lines
2.6 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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.\" $FreeBSD$
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.\"
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.Dd July 24, 1996
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.Dt VOP_LINK 9
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.Os
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.Sh NAME
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.Nm VOP_LINK
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.Nd create a new name for a file
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/vnode.h
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.Ft int
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.Fn VOP_LINK "struct vnode *dvp" "struct vnode *vp" "struct componentname *cnp"
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.Sh DESCRIPTION
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This links a new name in the specified directory to an existing file.
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.Pp
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Its arguments are:
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.Bl -tag -width 8n
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.It Fa dvp
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The vnode of the directory.
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.It Fa vp
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The vnode of the file to be linked.
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.It Fa cnp
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Pathname information about the file.
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.El
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.Pp
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The pathname info should
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.Em not
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be released on exit because it is done
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by the caller.
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The directory and file vnodes should
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.Em not
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be released on exit.
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.Sh LOCKS
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.Fn VOP_LINK
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expects the directory and file vnodes to be locked on entry and will leave
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the vnodes locked on return.
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.Sh RETURN VALUES
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Zero is returned if the file was linked successfully, otherwise an
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error is returned.
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.Sh ERRORS
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.Bl -tag -width Er
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.It Bq Er EMLINK
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The file has too many links.
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.It Bq Er EPERM
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The file is immutable.
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.It Bq Er EXDEV
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A hard link is not possible between different file systems.
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.El
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.Sh SEE ALSO
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.Xr vn_lock 9 ,
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.Xr vnode 9
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.Sh AUTHORS
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This manual page was originally written by
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.An Doug Rabson .
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