From owner-freebsd-questions@freebsd.org Wed Apr 5 09:59:48 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E4262D2F4F8 for ; Wed, 5 Apr 2017 09:59:48 +0000 (UTC) (envelope-from freebsd@qeng-ho.org) Received: from bede.home.qeng-ho.org (bede.qeng-ho.org [217.155.128.241]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "fileserver.home.qeng-ho.org", Issuer "fileserver.home.qeng-ho.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 87E43322 for ; Wed, 5 Apr 2017 09:59:47 +0000 (UTC) (envelope-from freebsd@qeng-ho.org) Received: from arthur.home.qeng-ho.org (arthur.home.qeng-ho.org [172.23.1.2]) by bede.home.qeng-ho.org (8.15.2/8.15.2) with ESMTP id v359xipO068041; Wed, 5 Apr 2017 10:59:45 +0100 (BST) (envelope-from freebsd@qeng-ho.org) Subject: Re: Understanding the FreeBSD locking mechanism To: Yubin Ruan , freebsd-questions@freebsd.org References: From: Arthur Chance Message-ID: <1fe50d3a-e845-ea58-2cb7-819e4734d411@qeng-ho.org> Date: Wed, 5 Apr 2017 10:59:44 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Apr 2017 09:59:49 -0000 On 05/04/2017 10:19, Yubin Ruan wrote: > All right seems like that this list is not a right place for this kind > of problem. > > Any suggestion on the right mailing list to send? freebsd-hackers@ Defined as covering "Technical Discussions relating to FreeBSD". -- By June 1949, people had begun to realize that it was not so easy to get a program right as had at one time appeared. It was on one of my journeys between the EDSAC room and the punching equipment that the realization came over me with full force that a good part of the remainder of my life was going to be spent in finding errors in my own programs. -- Maurice Wilkes