From owner-freebsd-hackers Thu Dec 23 8:45:22 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from luna.lyris.net (luna.shelby.com [207.90.155.6]) by hub.freebsd.org (Postfix) with ESMTP id 1904914E11 for ; Thu, 23 Dec 1999 08:45:20 -0800 (PST) (envelope-from kip@lyris.com) Received: from luna.shelby.com by luna.lyris.net (8.9.1b+Sun/SMI-SVR4) id IAA22949; Thu, 23 Dec 1999 08:44:34 -0800 (PST) Received: from (luna.shelby.com [207.90.155.6]) by luna.shelby.com with SMTP (MailShield v1.50); Thu, 23 Dec 1999 08:44:33 -0800 Date: Thu, 23 Dec 1999 08:44:33 -0800 (PST) From: Kip Macy To: "Jordan K. Hubbard" Cc: miaobo@mail.zhongxing.com, hackers@FreeBSD.ORG Subject: Re: Code In-Reply-To: <10636.945922106@zippy.cdrom.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SMTP-HELO: luna X-SMTP-MAIL-FROM: kip@lyris.com X-SMTP-RCPT-TO: jkh@zippy.cdrom.com,miaobo@mail.zhongxing.com,hackers@FreeBSD.ORG X-SMTP-PEER-INFO: luna.shelby.com [207.90.155.6] Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Taking a more direct implementation approach in our process model is, > I feel, what also led to the current model of the open file descriptor > table, a primitive mechanism which isn't even close to being abstract > enough to allow one to do the really neat stuff, like break or insert > things into existing pipe streams, redirect the source or sink in a > stream after it's been established, etc. Such abilities would seem to > be an only natural extention to Unix's traditional "give an engineer a > flexible set of tools" philosophy, and maybe if people had thought a > bit more about process migration back when BSD was getting its start, > we'd at least have some of the nifty abstractions and mechanisms which > lead up to the ability to migrate processes if not the actual > ability. :-) > > - Jordan Interesting. I had just become so accustomed to thinking that the ad hoc nature of processes as being the only way for things to be. -Kip To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message