From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.devel Subject: Re: Shrinking the C core Date: Thu, 31 Aug 2023 03:07:39 +0200 Message-ID: <87ttsgow84.fsf@dataswamp.org> References: <87ledwx7sh.fsf@yahoo.com> <877cpfybhf.fsf@yahoo.com> <873503y66i.fsf@yahoo.com> <87h6oj4mle.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27318"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:OH33P+SNBX76eAxA96rTN5SzTI8= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Aug 31 06:38:37 2023 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qbZS1-0006qf-4f for ged-emacs-devel@m.gmane-mx.org; Thu, 31 Aug 2023 06:38:37 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qbZRN-0004vX-Bv; Thu, 31 Aug 2023 00:37:57 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qbWA4-0000yn-9x for emacs-devel@gnu.org; Wed, 30 Aug 2023 21:07:53 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qbWA2-0002oD-0K for emacs-devel@gnu.org; Wed, 30 Aug 2023 21:07:52 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1qbW9y-00056f-Ob for emacs-devel@gnu.org; Thu, 31 Aug 2023 03:07:46 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 31 Aug 2023 00:37:56 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:309587 Archived-At: Po Lu wrote: > True, the first problem has already been solved by eminent > Lisp implementations. But we have almost solved it as well. > And if two threads modify a buffer simultaneously, leaving > PT and PT_BYTE out of accord, Emacs will crash regardless of > whose threads it's using. Are we talking some POSIX PCB mutex/semaphore model for Emacs so it can take advantage of modern-day multicore processors and for example execute `let' clauses in parallel? Or what exactly is the problem and proposed solution? -- underground experts united https://dataswamp.org/~incal