From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <7787f9ac800e21e9ebecfbe36666e13a@terzarima.net> To: russcox@gmail.com, 9fans@cse.psu.edu Subject: Re: [9fans] -mpm Again From: Charles Forsyth Date: Wed, 27 Jul 2005 14:14:26 +0100 In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-nvixbnenmynkmekycussrcocyw" Cc: Topicbox-Message-UUID: 704dea6a-ead0-11e9-9d60-3106f5b1d025 This is a multi-part message in MIME format. --upas-nvixbnenmynkmekycussrcocyw Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit and even it manages only because the kernel still implements read and write system calls for old executables (read and write now call pread and pwrite) --upas-nvixbnenmynkmekycussrcocyw Content-Type: message/rfc822 Content-Disposition: inline Received: from mail.cse.psu.edu ([130.203.4.6]) by lavoro; Wed Jul 27 14:10:19 BST 2005 Received: from psuvax1.cse.psu.edu (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 1EDAC2E3DE for ; Wed, 27 Jul 2005 09:10:01 -0400 (EDT) X-Original-To: 9fans@cse.psu.edu Delivered-To: 9fans@cse.psu.edu Received: from localhost (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id A1E972E24C for <9fans@cse.psu.edu>; Wed, 27 Jul 2005 09:09:37 -0400 (EDT) Received: from mail.cse.psu.edu ([127.0.0.1]) by localhost (psuvax1 [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 05893-01-31 for <9fans@cse.psu.edu>; Wed, 27 Jul 2005 09:09:36 -0400 (EDT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.205]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 9F5AE2E24B for <9fans@cse.psu.edu>; Wed, 27 Jul 2005 09:09:36 -0400 (EDT) Received: by wproxy.gmail.com with SMTP id i16so164384wra for <9fans@cse.psu.edu>; Wed, 27 Jul 2005 06:09:36 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=eKkmV4IUcBsCG5vj+MRMZTvhkV+k+B+p6W1mXt4utWxACWd/Prpl9zLdFK9rMLq/DPR33DSU3lLk/VolZpSIue+ytr9FWCewR/GELtRkC+yOi+QCDco97p1Mi9DamZfd6UJcnhOiArd67tvfwD5gwcmXPrdRLmy7rzcYSE9//H4= Received: by 10.54.57.21 with SMTP id f21mr124193wra; Wed, 27 Jul 2005 06:09:36 -0700 (PDT) Received: by 10.54.139.16 with HTTP; Wed, 27 Jul 2005 06:09:36 -0700 (PDT) Message-ID: Date: Wed, 27 Jul 2005 09:09:36 -0400 From: Russ Cox To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] -mpm Again In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <86299bd7f0d182c48e6e82e732ee5914@comcast.net> X-Virus-Scanned: by amavisd-new at cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Russ Cox , Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: 9fans-bounces+forsyth=terzarima.net@cse.psu.edu Errors-To: 9fans-bounces+forsyth=terzarima.net@cse.psu.edu > Hm.. I guess this means 2e binaries run on 4e? How much > compatibility is there between the different editions? > I guess not having shared libraries pays good dividends here. Enough has changed that more complicated programs would be a problem, but pm is not much more complicated than cat as far as system calls go. Russ --upas-nvixbnenmynkmekycussrcocyw--