1.\"- 2.\" Copyright (c) 2001 Dag-Erling Smørgrav 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd April 20, 2007 27.Dt PSEUDOFS 9 28.Os 29.Sh NAME 30.Nm pseudofs 31.Nd pseudo file system construction kit 32.Sh SYNOPSIS 33.In fs/pseudofs/pseudofs.h 34.\" Insert usage example here 35.Sh DESCRIPTION 36The 37.Nm 38module offers an abstract API for pseudo-file systems such as 39.Xr procfs 5 40and 41.Xr linprocfs 5 . 42It takes care of all the hairy bits like interfacing with the VFS 43system, enforcing access control, keeping track of file numbers, and 44cloning files and directories that are process-specific. 45The consumer module, i.e., the module that implements the actual guts 46of the file system, needs only provide the directory structure 47(represented by a collection of structures declared and initialized by 48macros provided by 49.Nm ) 50and callbacks that report file attributes or write the actual file 51contents into sbufs. 52.\" Insert more info here 53.Sh SEE ALSO 54.Xr linprocfs 5 , 55.Xr linsysfs 5 , 56.Xr procfs 5 , 57.Xr sbuf 9 , 58.Xr vnode 9 59.Sh HISTORY 60The 61.Nm 62module appeared in 63.Fx 5.0 . 64.Sh AUTHORS 65The 66.Nm 67module and this manual page were written by 68.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org . 69