From owner-freebsd-questions@FreeBSD.ORG Wed Aug 10 09:19:12 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E73CB16A41F for ; Wed, 10 Aug 2005 09:19:12 +0000 (GMT) (envelope-from snort_sam@yahoo.com) Received: from web54404.mail.yahoo.com (web54404.mail.yahoo.com [206.190.49.134]) by mx1.FreeBSD.org (Postfix) with SMTP id 3470243D45 for ; Wed, 10 Aug 2005 09:19:12 +0000 (GMT) (envelope-from snort_sam@yahoo.com) Received: (qmail 16998 invoked by uid 60001); 10 Aug 2005 09:19:11 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=y/MBmyVH9wldO168SL2iFOb125IqEOMdgSierPJpYo3a3MD2mtW43Hd9NyhbMEIX2g/EWDvOzZaIcJ0ET8nMhwjY5yP5vf39pJ8Ox8QRtT7HoEro4UMmAulOLXLdaFCFh+3WQUcIx73guIx3WnzJNlrz8k4ABRM2o9O8UPna+p4= ; Message-ID: <20050810091911.16996.qmail@web54404.mail.yahoo.com> Received: from [203.201.98.141] by web54404.mail.yahoo.com via HTTP; Wed, 10 Aug 2005 02:19:11 PDT Date: Wed, 10 Aug 2005 02:19:11 -0700 (PDT) From: Bsderss To: freebsd-current@freebsd.org, freebsd-questions@freebsd.org In-Reply-To: <000001c59d8a$777aa060$4801a8c0@ws-ew-3.W2KDEMIG> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: Subject: RE: RTCoreBSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Aug 2005 09:19:13 -0000 --- Norbert Koch wrote: > > Hi, > > > > I found this real-time OS based on BSD: > > > http://www.sdcsystems.com/realtime-linux.htm#rtcorebsd > > > > I m wondering what technology they used to make > > FreeBSD as a real-time OS. I thought kqueue/kevent > is > > a key component? any comment? > > > > Thanks > > Sam > > I think it's just that *old* rtlinux concept of > having a hard real time kernel and running the > operating system as some kind of an idle task > above that. As far as I remember FSMLabs earlier > press information talked about using NetBSD for > that. > Does current version of FreeBSD uses real-time scheduler at the kernel? If it does, which part of the code (in /usr/src) contains those code? Sam. > Norbert ____________________________________________________ Start your day with Yahoo! - make it your home page http://www.yahoo.com/r/hs