Re: FreeBSD 5/6/7 kernel emulator for NetBSD 2.x

From: Freddie Cash (fcash_at_ocis.net)
Date: 10/27/05

  • Next message: Scott Long: "Re: locking in a device driver" 
    To: freebsd-hackers@freebsd.org
Date: Thu, 27 Oct 2005 08:45:32 -0700

    On October 26, 2005 10:22 am, Bill Studenmund wrote:
    > On Mon, Oct 24, 2005 at 10:35:47PM +0200, Hans Petter Selasky wrote:
    > > Main features:

    > > - Implements FreeBSD's devfs on NetBSD.

    > In the past, we (NetBSD folks) have talked about a devfs. One issue
    > that has come up (I'll be honest, I've raised it a lot) is a desire to
    > retain permission changes across boots, and to tie devices (when
    > possible) to a device-specific attribute rather than a probe order.

    FreeBSD 5+ has /etc/devfs.conf and /etc/devfs.rules which include
    information regarding permissions and ownership for device nodes
    under /dev. These files can even be used for creating fancy names for
    devices using symlinks (like /dev/burner for CD-RW devices,
    or /dev/floppy and so on). At boot time, /etc/devfs.conf is read,
    and /etc/devfs.rules is read whenever new devices are attached to the
    system (I believe that's how it works, anyway). Is that what you're
    looking for?

    > Does FreeBSD's devfs support locators and persistent information? Are
    > there plans to support something like that, if not? 

    -- 
Freddie Cash
fcash@ocis.net
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  • Next message: Scott Long: "Re: locking in a device driver"