From owner-freebsd-questions@FreeBSD.ORG Mon Feb 4 22:47:19 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 82BF26C4 for ; Mon, 4 Feb 2013 22:47:19 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from smtp02.lnh.mail.rcn.net (smtp02.lnh.mail.rcn.net [207.172.157.102]) by mx1.freebsd.org (Postfix) with ESMTP id 37B19739 for ; Mon, 4 Feb 2013 22:47:18 +0000 (UTC) Received: from mr17.lnh.mail.rcn.net ([207.172.157.37]) by smtp02.lnh.mail.rcn.net with ESMTP; 04 Feb 2013 17:47:18 -0500 Received: from smtp04.lnh.mail.rcn.net (smtp04.lnh.mail.rcn.net [207.172.157.104]) by mr17.lnh.mail.rcn.net (MOS 4.3.4-GA) with ESMTP id BXN15408; Mon, 4 Feb 2013 17:47:17 -0500 Received: from 209-6-84-183.c3-0.smr-ubr2.sbo-smr.ma.cable.rcn.com (HELO jerusalem.litteratus.org.litteratus.org) ([209.6.84.183]) by smtp04.lnh.mail.rcn.net with ESMTP; 04 Feb 2013 17:47:17 -0500 From: Robert Huff MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <20752.14965.157944.96485@jerusalem.litteratus.org> Date: Mon, 4 Feb 2013 17:47:17 -0500 To: "Ronald F. Guilmette" Subject: parallel/simultaneous portinstall ? In-Reply-To: <69362.1360015552@tristatelogic.com> References: <69362.1360015552@tristatelogic.com> X-Mailer: VM 7.17 under 21.4 (patch 22) "Instant Classic" XEmacs Lucid X-Junkmail-Whitelist: YES (by domain whitelist at mr17.lnh.mail.rcn.net) Cc: freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Feb 2013 22:47:19 -0000 Ronald F. Guilmette writes: > My question is just this: Is it possible that Something Bad might > happen if, in one terminal session, the root user does > "portinstall A" and if, which that instance of portinstall is > still running, he then immediately switches to his other terminal > session and then does "portinstall B" ? It's possible; I will leave the details as an exercise for the reader. On the other hand: the worst that happens is that one loses the time invested (so far) in both builds. (Well, if you discount tail cases like running out of disk space.) Robert Huff