From owner-freebsd-arch Tue Nov 2 13:40:37 1999 Delivered-To: freebsd-arch@freebsd.org Received: from ns1.yes.no (ns1.yes.no [195.204.136.10]) by hub.freebsd.org (Postfix) with ESMTP id F1A341542A for ; Tue, 2 Nov 1999 13:40:27 -0800 (PST) (envelope-from eivind@bitbox.follo.net) Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218]) by ns1.yes.no (8.9.3/8.9.3) with ESMTP id WAA27444 for ; Tue, 2 Nov 1999 22:40:16 +0100 (CET) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id WAA82513 for freebsd-arch@freebsd.org; Tue, 2 Nov 1999 22:40:11 +0100 (MET) Received: from pcnet1.pcnet.com (pcnet1.pcnet.com [204.213.232.3]) by hub.freebsd.org (Postfix) with ESMTP id D8D9F1542B; Tue, 2 Nov 1999 13:38:27 -0800 (PST) (envelope-from eischen@vigrid.com) Received: (from eischen@localhost) by pcnet1.pcnet.com (8.8.7/PCNet) id QAA28092; Tue, 2 Nov 1999 16:37:10 -0500 (EST) Date: Tue, 2 Nov 1999 16:37:09 -0500 (EST) From: Daniel Eischen To: Kris Kennaway Cc: "Daniel M. Eischen" , Julian Elischer , freebsd-arch@freebsd.org Subject: Re: Threads models and FreeBSD. (Next Step) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 2 Nov 1999, Kris Kennaway wrote: > On Tue, 2 Nov 1999, Daniel M. Eischen wrote: > > > How about [from the "scheduler activations" paper] Flexibility? > > I assume by this you mean "the ability to replace the user-level code with > another model". In theory, that's a good goal, and it's one we shouldn't > work against, but in practise there's only likely to be one (supported) > FreeBSD user-threading library which interfaces to the kernel support. But the _same_ threading library can provide different scheduling models (SCHED_RR and SCHED_FIFO). That's kind of what I was after. Dan Eischen eischen@vigrid.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message