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Note that devfs(5) and fdescfs(5) both create /dev/fd file descriptors.

Browse Source 
PR:		144534
Submitted by:	Matthew Seaman <m.seaman at infracaninophile co uk>
Patch by:	Matthew Seaman, keramida
Approved by:	keramida (mentor)
MFC after:	1 week
This commit is contained in:
gjb 2010-09-18 19:23:14 +00:00
parent 8c48e7bab1
commit 6b7ae72644
2 changed files with 34 additions and 2 deletions
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24
share/man/man5/devfs.5
View File

@ -38,7 +38,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd May 30, 2010
.Dd September 18, 2010
.Dt DEVFS 5
.Os
.Sh NAME
@ -69,6 +69,27 @@ The
.Xr mknod 8
tool can be used to recover deleted device entries under
.Nm .
.Pp
The
.Xr fdescfs 5
filesystem is an alternate means for populating
.Pa /dev/fd .
The character devices that both
.Nm
and
.Xr fdescfs 5
present in
.Pa /dev/fd
correspond to the open file descriptors of the process
accessing the directory.
.Nm
only creates files for the standard file descriptors
.Pa 0 ,
.Pa 1
and
.Pa 2 .
.Xr fdescfs 5
creates files for all open descriptors.
.Sh FILES
.Bl -tag -width /dev/XXXX -compact
.It Pa /dev
@ -85,6 +106,7 @@ volume located on
.Dl "mount -t devfs devfs /mychroot/dev"
.Sh SEE ALSO
.Xr devfs 8 ,
.Xr fdescfs 5 ,
.Xr mount 8
.Sh HISTORY
The

12
share/man/man5/fdescfs.5
View File

@ -38,7 +38,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd December 14, 1996
.Dd September 18, 2010
.Dt FDESCFS 5
.Os
.Sh NAME
@ -87,6 +87,15 @@ call other than
and
.Dv O_RDWR
are ignored.
.Pp
.Em "Note:"
.Pa /dev/fd/0 ,
.Pa /dev/fd/1
and
.Pa /dev/fd/2
files are created by default when devfs alone is mounted.
.Nm
creates entries for all file descriptors opened by the process.
.Sh FILES
.Bl -tag -width /dev/stderr -compact
.It Pa /dev/fd/#
@ -99,6 +108,7 @@ volume located on
.Pp
.Dl "mount -t fdescfs null /dev/fd"
.Sh SEE ALSO
.Xr devfs 5 ,
.Xr mount 8
.Sh HISTORY
The