From owner-freebsd-hackers Thu Nov 20 14:00:03 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA12023 for hackers-outgoing; Thu, 20 Nov 1997 14:00:03 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from d198-232.uoregon.edu (d198-232.uoregon.edu [128.223.198.232]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id NAA11978 for ; Thu, 20 Nov 1997 13:59:59 -0800 (PST) (envelope-from mini@d198-232.uoregon.edu) Received: (from mini@localhost) by d198-232.uoregon.edu (8.8.5/8.8.5) id NAA02655; Thu, 20 Nov 1997 13:59:37 -0800 (PST) Message-ID: <19971120135937.07786@micron.mini.net> Date: Thu, 20 Nov 1997 13:59:37 -0800 From: Jonathan Mini To: "Jamil J. Weatherbee" Cc: Joerg Wunsch , hackers@freebsd.org Subject: Re: vnode.h and IO_NDELAY (help!!) Reply-To: Jonathan Mini References: <19971120090611.FW37911@uriah.heep.sax.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.88e In-Reply-To: ; from Jamil J. Weatherbee on Thu, Nov 20, 1997 at 11:41:25AM -0800 X-files: The Truth is Out There Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Jamil J. Weatherbee stands accused of saying: > [ ... snip ... ] By the way, how are you supposed to pick > ioctl groups. I am currently using 'A', but i see 'D' being used also. > Is there a list of which letter you should use. I assume lowercase are > reserved for the system and you should always use uppercase in new > drivers? ioctl group ID's are local to each device driver. They are used soely for groupsing ioctl's into groups by your driver. For an example, look at machine/console.h, which defines the ioctls for syscons/pcvt. -- Jonathan Mini Ingenious Productions Software Development P.O. Box 5693, Eugene, Or. 97405 "A child of five could understand this! Quick -- Fetch me a child of five."