From owner-freebsd-arch Sun Nov 7 6:42:39 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 7D56E14C2D for ; Sun, 7 Nov 1999 06:42:29 -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 PAA25573 for ; Sun, 7 Nov 1999 15:42:28 +0100 (CET) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id PAA17033 for freebsd-arch@freebsd.org; Sun, 7 Nov 1999 15:42:28 +0100 (MET) Received: from pcnet1.pcnet.com (pcnet1.pcnet.com [204.213.232.3]) by hub.freebsd.org (Postfix) with ESMTP id 95AA314C2D for ; Sun, 7 Nov 1999 06:42:13 -0800 (PST) (envelope-from eischen@vigrid.com) Received: from vigrid.com (pm3-pt36.pcnet.net [206.105.29.110]) by pcnet1.pcnet.com (8.8.7/PCNet) with ESMTP id JAA15734; Sun, 7 Nov 1999 09:37:34 -0500 (EST) Message-ID: <38258EFF.399F9D5F@vigrid.com> Date: Sun, 07 Nov 1999 09:38:55 -0500 From: "Daniel M. Eischen" X-Mailer: Mozilla 4.5 [en] (X11; I; FreeBSD 4.0-CURRENT i386) X-Accept-Language: en MIME-Version: 1.0 To: Julian Elischer , "Russell L. Carter" , freebsd-arch@freebsd.org Subject: Re: Threads models and FreeBSD. (Next Step) References: <38258BFA.B7EA3ECB@vigrid.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG "Daniel M. Eischen" wrote: > > Except for very narrow windows where threads holding critical resources > (internal to the threads library) are continued until they release the > resource. I can also see the need for threads to cross scheduling group > boundaries in order to support priority protection and priority ceiling ^^^^^^^^^^ ^^^^^^^ Eek! These are one and the same. I meant priority _inheritence_ and priority protection mutexes. Dan Eischen eischen@vigrid.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message