From owner-freebsd-hackers Tue Mar 27 8:25:31 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from et-gw.etinc.com (et-gw.etinc.com [207.252.1.2]) by hub.freebsd.org (Postfix) with ESMTP id 087E937B71A; Tue, 27 Mar 2001 08:25:26 -0800 (PST) (envelope-from dennis@etinc.com) Received: from dbsys.etinc.com (dbsys.etinc.com [207.252.1.18]) by et-gw.etinc.com (8.9.3/8.9.3) with ESMTP id LAA17268; Tue, 27 Mar 2001 11:27:03 GMT (envelope-from dennis@etinc.com) Message-Id: <5.0.0.25.0.20010327114146.023fdeb0@mail.etinc.com> X-Sender: dennis@mail.etinc.com X-Mailer: QUALCOMM Windows Eudora Version 5.0 Date: Tue, 27 Mar 2001 11:42:49 -0500 To: Devin Butterfield , Alfred Perlstein , Coleman Kane From: Dennis Subject: Re: Porting a Linux driver to FreeBSD with ioctl return values Cc: Roger Hardiman , hackers@FreeBSD.ORG In-Reply-To: <01032701051000.83707@dbm.wireless.net> References: <20010326232431.Q9431@fw.wintelcom.net> <3ABF45B6.DF5A0B7F@cs.strath.ac.uk> <20010327015524.A863@cokane.yi.org> <20010326232431.Q9431@fw.wintelcom.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 04:05 AM 03/27/2001, Devin Butterfield wrote: >On Monday 26 March 2001 11:24, Alfred Perlstein wrote: > > * Coleman Kane [010326 22:40] wrote: > > > Yeah, that's basically what I had to do in tdfx. You can take a look int > > > src/sys/dev/tdfx/tdfx_pci.c under tdfx_ioctl(...) to get an idea of what > > > needs to be done, if you need more info. Tdfx basically implements the > > > API from device_3dfx in Linux. > > > > Is there anyone we can PLEAD with to explain that to the linnux people > > that that's a broken way to implement ioctl()? oh, also, they MUST be negative. so you return (-ENODEV)...some bad upper layer code they decided to never fix. DB To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message