From owner-freebsd-arch Mon Nov 1 13:10:41 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 8505714E05 for ; Mon, 1 Nov 1999 13:10:28 -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 WAA08051 for ; Mon, 1 Nov 1999 22:10:25 +0100 (CET) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id WAA75504 for freebsd-arch@freebsd.org; Mon, 1 Nov 1999 22:10:25 +0100 (MET) Received: from hda.hda.com (hda.bicnet.net [208.220.68.243]) by hub.freebsd.org (Postfix) with ESMTP id 489CC14DEA for ; Mon, 1 Nov 1999 13:09:52 -0800 (PST) (envelope-from dufault@hda.hda.com) Received: (from dufault@localhost) by hda.hda.com (8.8.5/8.8.5) id QAA19039; Mon, 1 Nov 1999 16:04:29 -0500 (EST) From: Peter Dufault Message-Id: <199911012104.QAA19039@hda.hda.com> Subject: Re: Threads models and FreeBSD. In-Reply-To: from Daniel Eischen at "Nov 1, 99 03:36:34 pm" To: eischen@vigrid.com (Daniel Eischen) Date: Mon, 1 Nov 1999 16:04:28 -0500 (EST) Cc: arch@freebsd.org X-Mailer: ELM [version 2.4ME+ PL25 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG (I asked if the POSIX spec permitted private per-thread stack...) > If each threads stack was private, how would you pass objects allocated > off the stack to other threads for processing? You wouldn't, at least not with some flavor of mmap publishing and attaching that would probably open up your whole stack. I have no problem with that, especially in the kernel. I understand current practice may rule it out in a user library. Peter -- Peter Dufault (dufault@hda.com) Realtime development, Machine control, HD Associates, Inc. Safety critical systems, Agency approval To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message