fdescfs functional in 6.1?

[Dan Nelson]

In the last episode (Jul 28), Jaye Mathisen said:
> On Fri, Jul 28, 2006 at 11:18:48PM -0500, Dan Nelson wrote:
> > In the last episode (Jul 28), Jaye Mathisen said:
> > > s2# mount -t fdescfs fdescfs /dev/fd
> > > s2# ls -l /dev/fd
> > > total 16
> > > crw--w----  1 root      tty         5,   1 Jul 28 18:01 0
> > > crw--w----  1 root      tty         5,   1 Jul 28 18:01 1
> > > crw--w----  1 root      tty         5,   1 Jul 28 18:01 2
> > > d-w-------  1 mailnull  mailnull       512 Jul 23 00:01 3
> > > d---------  1 root      wheel          512 Jul 25 03:25 4
> > > s2# umount /dev/fd
> > > 
> > > This thing is all over the map.. permissions changed, a *directory*
> > > for fd's 3 and 4?  
> > 
> > What do you expect ls to open to print a *directory* listing? :)
> > 
> > fd's 0, 1, and 2 are /dev/tty, and the permissions look fine.
> > 
> > fd 3 is your current directory (so I guess you're in some smtp-related
> > directory?), and fd 4 is the directory on the commandline (/dev/fd).
> >
>
> I guess I just expected it to print all character device entries for
> the file descriptors open by my process.

fdescfs prints all file desriptors open by your process, and displays
the correct info for each of them.
 
> Kind of like the old /dev/fd/1 /dev/fd/2 directories used to be under
> MAKEDEV...

Before devfs, /dev/fd was populated with dummy entries from 0 to 63 and
running ls on the directory had no correspondence with what your
process actually had open.

-- 
	Dan Nelson
	dnelson at allantgroup.com