From mboxrd@z Thu Jan 1 00:00:00 1970 To: 9fans@cse.psu.edu Subject: Re: [9fans] semaphores From: nigel@9fs.org MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-rvcbspupuxsnccpwjreamsdjla" Message-Id: <20020116183511.AE27F19A08@mail.cse.psu.edu> Date: Wed, 16 Jan 2002 07:48:58 +0000 Topicbox-Message-UUID: 3e37240c-eaca-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-rvcbspupuxsnccpwjreamsdjla Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit As does the Lock module in Inferno. --upas-rvcbspupuxsnccpwjreamsdjla Content-Type: message/rfc822 Content-Disposition: inline Received: from mail.cse.psu.edu ([130.203.4.6]) by cpu; Wed Jan 16 03:54:51 GMT 2002 Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.30.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 0DCBF19A55; Tue, 15 Jan 2002 22:55:05 -0500 (EST) Delivered-To: 9fans@cse.psu.edu Received: from galapagos.cse.psu.edu (galapagos.cse.psu.edu [130.203.12.17]) by mail.cse.psu.edu (CSE Mail Server) with SMTP id E525F19A54 for <9fans@cse.psu.edu>; Tue, 15 Jan 2002 22:54:56 -0500 (EST) Received: (qmail 13987 invoked by uid 991); 16 Jan 2002 03:54:56 -0000 Message-ID: <20020116035456.13985.qmail@g.bio.cse.psu.edu> To: 9fans@cse.psu.edu Subject: Re: [9fans] semaphores In-Reply-To: Message from "Russ Cox" of "Tue, 15 Jan 2002 22:44:21 EST." <20020116034426.F0943199EE@mail.cse.psu.edu> From: Scott Schwartz Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.8 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Help: List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Tue, 15 Jan 2002 22:54:56 -0500 A previous edition's malloc used a pipe with a byte in it as a semaphore. I thought that was a lovely solution, given shared file descriptors. --upas-rvcbspupuxsnccpwjreamsdjla--