From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.devel Subject: Re: Elisp containers Date: Fri, 07 Sep 2018 11:04:53 -0700 Message-ID: <87y3cdb2uy.fsf@ericabrahamsen.net> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1536343391 20562 195.159.176.226 (7 Sep 2018 18:03:11 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 7 Sep 2018 18:03:11 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Sep 07 20:03:07 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fyL60-0005CA-4S for ged-emacs-devel@m.gmane.org; Fri, 07 Sep 2018 20:03:04 +0200 Original-Received: from localhost ([::1]:39771 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyL86-0003u6-CT for ged-emacs-devel@m.gmane.org; Fri, 07 Sep 2018 14:05:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52572) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyL80-0003sH-52 for emacs-devel@gnu.org; Fri, 07 Sep 2018 14:05:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fyL7v-0007m6-9F for emacs-devel@gnu.org; Fri, 07 Sep 2018 14:05:08 -0400 Original-Received: from [195.159.176.226] (port=41995 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fyL7v-0007kZ-1Z for emacs-devel@gnu.org; Fri, 07 Sep 2018 14:05:03 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1fyL5l-0004ug-QX for emacs-devel@gnu.org; Fri, 07 Sep 2018 20:02:49 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:yN9iXMzhMMORLx844t6PuDo2KKA= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:229436 Archived-At: Stefan Monnier writes: > If someone feels like they have too much time on their hands, I think > a great feature to develop would be Elisp containers. > > This would be like running Elisp in a separate process, except that it's > not a separate process, so communication between two containers can be > very efficient (e.g. you can send a buffer from one container to the > other as efficiently as you can send an integer). > > Potential applications: > - true concurrency > - safely running arbitrary Elisp code (e.g. bug#32495) > - discover what a package defines without actually defining those things > (i.e. load the package into a container, then look at what got > defined and throw away the container). I'm curious: could this be used to implement namespaces, as well?