From owner-freebsd-hackers@FreeBSD.ORG Thu Jan 21 10:39:06 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 78E05106566C for ; Thu, 21 Jan 2010 10:39:06 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id 3ACAD8FC1E for ; Thu, 21 Jan 2010 10:39:05 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id C9B3B1FFC51; Thu, 21 Jan 2010 10:39:04 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id A891B844BD; Thu, 21 Jan 2010 11:39:04 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Bernard van Gastel References: <71A129DC-68A0-46C3-956D-C8AFF1BA29E1@bitpowder.com> <86hbqifip8.fsf@ds4.des.no> <72CE899C-5941-4659-B922-DC65BB0CE67D@bitpowder.com> Date: Thu, 21 Jan 2010 11:39:04 +0100 In-Reply-To: <72CE899C-5941-4659-B922-DC65BB0CE67D@bitpowder.com> (Bernard van Gastel's message of "Thu, 21 Jan 2010 11:19:34 +0100") Message-ID: <86sk9zagjb.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-hackers@freebsd.org Subject: Re: pthread_{mutex,cond} & fifo/starvation/scheduling policy X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jan 2010 10:39:06 -0000 Bernard van Gastel writes: > But the descheduling of threads if the mutex is not available is done > by the library. And especially the order of rescheduling of the > threads (thats what I'm interested in). Or am I missing something in > the sys/kern/sched files (btw I don't have the umtx file). Sorry, it's sys/kern/kern_umtx.c DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no