From owner-freebsd-hackers Fri Apr 7 19:47: 4 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from mycenae.ilion.eu.org (mycenae.ilion.eu.org [203.35.206.129]) by hub.freebsd.org (Postfix) with ESMTP id 6B56037B9B0 for ; Fri, 7 Apr 2000 19:46:59 -0700 (PDT) (envelope-from patrykz@ilion.eu.org) Received: from mycenae.ilion.eu.org (localhost [127.0.0.1]) by mycenae.ilion.eu.org (8.9.3/8.9.3) with ESMTP id MAA15027; Sat, 8 Apr 2000 12:46:38 +1000 (EST) (envelope-from patrykz@mycenae.ilion.eu.org) Message-Id: <200004080246.MAA15027@mycenae.ilion.eu.org> To: Gustavo V G C Rios Cc: "Yevmenkin, Maksim N, CSCIO" , freebsd-hackers@FreeBSD.ORG Subject: Re: Is traditional unixes kernel really stable ? In-reply-to: Your message of "Fri, 07 Apr 2000 12:33:02 GMT." <38EDD57E.56A2681B@tdnet.com.br> Date: Sat, 08 Apr 2000 12:46:38 +1000 From: Patryk Zadarnowski Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > "Yevmenkin, Maksim N, CSCIO" wrote: > > > only one :-) performance :-) context switch is a slow operation. > > > > Thanks, > > emax > > > Excuse me gentleman, who said that ? > Take time to visit this site: http://www.qnx.com/iat/download/index.html > > You'll be introduced to a hard-real time OS (with a very modular > design). > The while OS fits in a single floppy with TCP/IP, GUI, web browser, http > server, and again, all that in a single floppy. HOw can it be done? > > This OS uses microkernel arch. > Fill their form in order to get a book describing its OS internal arch. > > Can some here explain me why such approach is not taken by FreeBSD? Yes. FreeBSD is based on the BSD monolithic kernel. It's precisely the ``other camp'' to the u-kernel guys (like myself.) Hence the ``BSD'' in its name. ;) Pat. -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Patryk Zadarnowski University of New South Wales School of Computer Science and Engineering -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message