1320adc96SDag-Erling Smørgrav.\"- 2320adc96SDag-Erling Smørgrav.\" Copyright (c) 2001 Dag-Erling Co�dan Sm�rgrav 3320adc96SDag-Erling Smørgrav.\" All rights reserved. 4320adc96SDag-Erling Smørgrav.\" 5320adc96SDag-Erling Smørgrav.\" Redistribution and use in source and binary forms, with or without 6320adc96SDag-Erling Smørgrav.\" modification, are permitted provided that the following conditions 7320adc96SDag-Erling Smørgrav.\" are met: 8320adc96SDag-Erling Smørgrav.\" 1. Redistributions of source code must retain the above copyright 9320adc96SDag-Erling Smørgrav.\" notice, this list of conditions and the following disclaimer. 10320adc96SDag-Erling Smørgrav.\" 2. Redistributions in binary form must reproduce the above copyright 11320adc96SDag-Erling Smørgrav.\" notice, this list of conditions and the following disclaimer in the 12320adc96SDag-Erling Smørgrav.\" documentation and/or other materials provided with the distribution. 13320adc96SDag-Erling Smørgrav.\" 14320adc96SDag-Erling Smørgrav.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15320adc96SDag-Erling Smørgrav.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16320adc96SDag-Erling Smørgrav.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17320adc96SDag-Erling Smørgrav.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18320adc96SDag-Erling Smørgrav.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19320adc96SDag-Erling Smørgrav.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20320adc96SDag-Erling Smørgrav.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21320adc96SDag-Erling Smørgrav.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22320adc96SDag-Erling Smørgrav.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23320adc96SDag-Erling Smørgrav.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24320adc96SDag-Erling Smørgrav.\" SUCH DAMAGE. 25320adc96SDag-Erling Smørgrav.\" 26320adc96SDag-Erling Smørgrav.\" $FreeBSD$ 27320adc96SDag-Erling Smørgrav.\" 28880a3b45SChristian Brueffer.Dd April 20, 2007 29320adc96SDag-Erling Smørgrav.Dt PSEUDOFS 9 30320adc96SDag-Erling Smørgrav.Os 31320adc96SDag-Erling Smørgrav.Sh NAME 32320adc96SDag-Erling Smørgrav.Nm pseudofs 338d5d039fSRuslan Ermilov.Nd pseudo file system construction kit 34320adc96SDag-Erling Smørgrav.Sh SYNOPSIS 352754f630SRuslan Ermilov.In fs/pseudofs/pseudofs.h 36320adc96SDag-Erling Smørgrav.\" Insert usage example here 37320adc96SDag-Erling Smørgrav.Sh DESCRIPTION 38320adc96SDag-Erling SmørgravThe 39320adc96SDag-Erling Smørgrav.Nm 40320adc96SDag-Erling Smørgravmodule offers an abstract API for pseudo-file systems such as 41320adc96SDag-Erling Smørgrav.Xr procfs 5 42320adc96SDag-Erling Smørgravand 43320adc96SDag-Erling Smørgrav.Xr linprocfs 5 . 44320adc96SDag-Erling SmørgravIt takes care of all the hairy bits like interfacing with the VFS 4511cee4a6SDag-Erling Smørgravsystem, enforcing access control, keeping track of file numbers, and 4611cee4a6SDag-Erling Smørgravcloning files and directories that are process-specific. 475203edcdSRuslan ErmilovThe consumer module, i.e., the module that implements the actual guts 482754f630SRuslan Ermilovof the file system, needs only provide the directory structure 49320adc96SDag-Erling Smørgrav(represented by a collection of structures declared and initialized by 50320adc96SDag-Erling Smørgravmacros provided by 51320adc96SDag-Erling Smørgrav.Nm ) 52320adc96SDag-Erling Smørgravand callbacks that report file attributes or write the actual file 53320adc96SDag-Erling Smørgravcontents into sbufs. 54320adc96SDag-Erling Smørgrav.\" Insert more info here 55320adc96SDag-Erling Smørgrav.Sh SEE ALSO 56320adc96SDag-Erling Smørgrav.Xr linprocfs 5 , 57880a3b45SChristian Brueffer.Xr linsysfs 5 , 58320adc96SDag-Erling Smørgrav.Xr procfs 5 , 59320adc96SDag-Erling Smørgrav.Xr sbuf 9 , 602754f630SRuslan Ermilov.Xr vnode 9 61320adc96SDag-Erling Smørgrav.Sh HISTORY 62320adc96SDag-Erling SmørgravThe 63320adc96SDag-Erling Smørgrav.Nm 64320adc96SDag-Erling Smørgravmodule appeared in 65320adc96SDag-Erling Smørgrav.Fx 5.0 . 66320adc96SDag-Erling Smørgrav.Sh AUTHORS 67320adc96SDag-Erling SmørgravThe 68320adc96SDag-Erling Smørgrav.Nm 69320adc96SDag-Erling Smørgravmodule and this manual page were written by 70320adc96SDag-Erling Smørgrav.An Dag-Erling Sm\(/orgrav . 71