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Add a manpage for linprocfs.

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This commit is contained in:
Dag-Erling Smørgrav 2000-03-25 14:03:31 +00:00
parent 98d83e38b9
commit 2bf98c0933
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=58563
2 changed files with 95 additions and 3 deletions
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6
share/man/man5/Makefile
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@ -5,9 +5,9 @@
MAN5= a.out.5 acct.5 core.5 devfs.5 dir.5 disktab.5 ethers.5 \
elf.5 fbtab.5 fdesc.5 forward.5 fs.5 fstab.5 group.5 \
hosts.5 hosts.equiv.5 hosts.lpd.5 intro.5 kernfs.5 link.5 \
mailer.conf.5 motd.5 networks.5 passwd.5 pbm.5 phones.5 \
procfs.5 protocols.5 rc.conf.5 remote.5 resolver.5 services.5 \
shells.5 stab.5 sysctl.conf.5 types.5 utmp.5
linprocfs.5 mailer.conf.5 motd.5 networks.5 passwd.5 pbm.5 \
phones.5 procfs.5 protocols.5 rc.conf.5 remote.5 resolver.5 \
services.5 shells.5 stab.5 sysctl.conf.5 types.5 utmp.5
MLINKS= dir.5 dirent.5
MLINKS+=fs.5 inode.5

92
share/man/man5/linprocfs.5 Normal file
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.\" $FreeBSD$
.\" Written by Garrett Wollman
.\" This file is in the public domain.
.\"
.Dd August 10, 1994
.Dt LINPROCFS 5
.Os BSD 4.4
.Sh NAME
.Nm linprocfs
.Nd Linux process file system
.Sh SYNOPSIS
.Bd -literal
linproc /compat/linux/proc linprocfs rw 0 0
.Ed
.Sh DESCRIPTION
The Linux process file system, or
.Nm linprocfs ,
emulates a subset of Linux' process file system and is required for
the complete operation of some Linux binaries.
.Pp
The
.Nm
provides a two-level view of process space.
At the highest level, processes themselves are named, according to
their process ids in decimal, with no leading zeros. There is also a
special node called
.Pa self
which always refers to the process making the lookup request.
.Pp
Each node is a directory which contains the following entries:
.Pp
Each directory contains several files:
.Bl -tag -width status
.It Pa exe
A reference to the vnode from which the process text was read.
This can be used to gain access to the process' symbol table,
or to start another copy of the process.
.It Pa mem
The complete virtual memory image of the process.
Only those addresses which exist in the process can be accessed.
Reads and writes to this file modify the process.
Writes to the text segment remain private to the process.
.El
.Pp
Each node is owned by the process's user, and belongs to that user's
primary group, except for the
.Pa mem
node, which belongs to the
.Li kmem
group.
.Sh FILES
.Bl -tag -width /compat/linux/proc/self/XXXXXXX -compact
.It Pa /compat/linux/proc
normal mount point for the
.Nm linprocfs .
.It Pa /compat/linux/proc/cpuinfo
CPU vendor and model information in human-readable form.
.It Pa /compat/linux/proc/meminfo
System memory information in human-readable form.
.It Pa /compat/linux/proc/pid
directory containing process information for process
.Pa pid .
.It Pa /compat/linux/proc/self
directory containing process information for the current process
.It Pa /compat/linux/proc/self/exe
executable image
.It Pa /compat/linux/proc/curproc/mem
the complete virtual address space of the process
.El
.Sh SEE ALSO
.Xr mount 2 ,
.Xr unmount 2 ,
.Xr procfs 5 ,
.Xr mount_linprocfs 8
.Sh AUTHORS
The
.Nm
was derived from
.Nm procfs
by
.An Pierre Beyssac .
This manual page was written by
.An Dag-Erling Smørgrav ,
based on the
.Xr procfs 5
manual page by
.An Garrett Wollman .
.Sh HISTORY
The
.Nm
first appeared in
.Fx 4.0 .