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69 lines
2.4 KiB
Groff
69 lines
2.4 KiB
Groff
.\"-
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.\" Copyright (c) 2001 Dag-Erling Smørgrav
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.\" All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd April 20, 2007
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.Dt PSEUDOFS 9
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.Os
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.Sh NAME
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.Nm pseudofs
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.Nd pseudo file system construction kit
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.Sh SYNOPSIS
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.In fs/pseudofs/pseudofs.h
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.\" Insert usage example here
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.Sh DESCRIPTION
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The
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.Nm
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module offers an abstract API for pseudo-file systems such as
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.Xr procfs 4
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and
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.Xr linprocfs 4 .
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It takes care of all the hairy bits like interfacing with the VFS
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system, enforcing access control, keeping track of file numbers, and
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cloning files and directories that are process-specific.
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The consumer module, i.e., the module that implements the actual guts
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of the file system, needs only provide the directory structure
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(represented by a collection of structures declared and initialized by
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macros provided by
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.Nm )
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and callbacks that report file attributes or write the actual file
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contents into sbufs.
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.\" Insert more info here
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.Sh SEE ALSO
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.Xr linprocfs 4 ,
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.Xr linsysfs 4 ,
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.Xr procfs 4 ,
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.Xr sbuf 9 ,
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.Xr vnode 9
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.Sh HISTORY
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The
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.Nm
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module appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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The
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.Nm
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module and this manual page were written by
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.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org .
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