From owner-freebsd-questions Mon May 8 13:16:16 2000 Delivered-To: freebsd-questions@freebsd.org Received: from fbsd01.granitepost.com (fbsd01.granitepost.com [209.150.104.131]) by hub.freebsd.org (Postfix) with ESMTP id C9FB437BBF1 for ; Mon, 8 May 2000 13:16:08 -0700 (PDT) (envelope-from clabrown@granitepost.com) Received: from thunder (thunder.granitepost.com [209.150.104.140]) by fbsd01.granitepost.com (8.8.5/8.8.5) with SMTP id QAA00497; Mon, 8 May 2000 16:58:58 -0400 (EDT) From: "Clarence Brown" To: "'Gustavo Vieira Goncalves Coelho Rios'" Cc: Subject: RE: FreeBSD as a real-time solution? Date: Mon, 8 May 2000 16:04:18 -0400 Message-ID: <005101bfb928$9837fe20$8c6896d1@granitepost.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0 In-Reply-To: <3915B28E.245CF6AB@tdnet.com.br> X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I'm not a FreeBSD expert, but in "Dr. Dobb's Journal" #310 March 2000 (www.ddj.com) there is an article title "Real-Time Linux" that discusses 2 projects to bring real time to Linux. Perhaps these might also be applied to FreeBSD? Also, define "precise time measurements". What is the rate and granularity that you need? If your DOS system is "working", why do you want to "fix" it? Mentioned in the article: RTLinux at http://www.rtlinux.org, Real Time Application Interface, (an offshoot of RTLinux with better timers?) at http://www.aero.polimi.it/projects/rtai Cla. > -----Original Message----- > From: owner-freebsd-questions@FreeBSD.ORG > [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of > Gustavo Vieira > Goncalves Coelho Rios > Sent: Sunday, May 07, 2000 2:15 PM > To: Gilad Rom > Cc: freebsd-questions@FreeBSD.ORG > Subject: Re: FreeBSD as a Real-Time solution? > > > Gilad Rom wrote: > > > > Hello, > > > > I have been using FreeBSD as a Server OS for a long time > with great success > > and satisfaction, > > and now the need has come for a new solution to our > production network, > > which has several 486/386 machines, > > that need a real time OS to monitor production status. > > > > Question is, could FreeBSD be made suitable for such tasks? > > Performance isnt an issue, but I need to make precise time > readings from the > > parallel port > > and timing is critical. Right now I am using DOS, which is > pretty much fine > > for that, but > > I want something better. > > > > Thank you, > > > > -- Gilad. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > I think that FreeBSD is not a solution for your needs. > FreeBSD isn't bad, but that's not its focus. > > Try something like QNX and/or Neutrino (http://www.qnx.com). > > -- > "Sometimes I worry about being a success in a mediocre world." > -- Lily Tomlin > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message