From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: LdBeth Newsgroups: gmane.emacs.devel Subject: Re: using finalizers Date: Fri, 31 Dec 2021 22:39:47 +0800 Message-ID: References: <878rw1pvcw.fsf@logand.com> Mime-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40882"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.2 (x86_64-apple-darwin18.7.0) MULE/6.0 (HANACHIRUSATO) Cc: emacs-devel@gnu.org To: Tomas Hlavaty Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 31 15:41:32 2021 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 1n3J63-000ASQ-Gb for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 15:41:31 +0100 Original-Received: from localhost ([::1]:37358 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n3J61-00073E-K1 for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Dec 2021 09:41:29 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:53384) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3J4h-0006Mw-FT for emacs-devel@gnu.org; Fri, 31 Dec 2021 09:40:11 -0500 Original-Received: from out203-205-221-240.mail.qq.com ([203.205.221.240]:42865) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n3J4b-0005cT-Lv for emacs-devel@gnu.org; Fri, 31 Dec 2021 09:40:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1640961591; bh=lb7+gNqasS79Ivx6xwZy/DPNrYFmc7G6XM3V7KOqo7E=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=HGQCcMa3hkuQQ6xuot2EiFumdSjDbzjQQW7c/QQR7g+U+X2hSyE7FfT1uybgsMB7t GdmwPJqUyv+GZ0YApB1EJD/vEoK6+fEC2s4lM4zbEh8kx8X/4k2D0N4HgKxc/7rwyg l3kF+sI9WnEiuKM+3s6N2DzDQsk83BbsBXN0dNUY= Original-Received: from Costume-Party.local ([125.111.88.153]) by newxmesmtplogicsvrsza8.qq.com (NewEsmtp) with SMTP id 9F22BA5B; Fri, 31 Dec 2021 22:39:50 +0800 X-QQ-mid: xmsmtpt1640961590tsundzuuv X-QQ-XMAILINFO: MpO6L0LObisW3fhDmQGqGk8H/nbfVZ4EwufqkmiU2xseefSgqhzy8lFDW3/mjG 0lb9r2+BArKnQw9F5cHE6nu1S0z35TcC1FbfywctF4RoTvmzX3k84xjW+9DDkqA/wkZ5v7MsgmT6 Q2+KNkZmznDDVuxgVAQrSob9TDC6T2o2vtODIc1SOhMPpKqUo7Q7dajUn3HvjbdWQwqR/2YkizWj K1192t7F7jDdtR8I5TjabeAbNmGeKbPVvHx0Dh+lKGDh+T+spnETrJiUQSRSxCWis+vy43ldBWVx ab8vL5YILlhRkfeF9ZPDKJspOTCfuZjw64EBd0jkW7hjz8IdEoJSclJM37Lwa0mNWAECf+VtQznD kQWdf9bgZuj9y41n4eLavcV25FDAe/vXa7UQ1kzvVpR9hKwSihPhByHxR08rwv1RhieCRKre41G/ OnpBmmiILaxf4bta22SKUQ9cRDZkmcuHzuqnqOABFSMQ2Ciq2pSVWJ/j/kGHkuCdWF1AUUCQlegF Um9W1FrDBtpcE/StlmhR2PQcMl5tJ1XkGR68k4ebB/PExpFOpu9OKD5EK1TI9Vd1eZplZeqDGqzM gEO3FMpQHZccl2UCUzfzoTsMaz0q2qXV4LMid7LVsTd8mtkTs6j4TRvXjoaPusaWYtrN9A4VsD7S LFHnAJzQXZISE/dDvupRmmz0NHreWTpcB2Y6LOww2u7m3l2BOJX3CHd9/BPwENclLA41iv+Nskbu qC6G3HcYriRjWahiEk/0IA1YFtUFVphiLvy52XGIT4rGgR/YEw4VDZh8AY5xopYwtQGqRJcXz/iU BhU5IXMjotd3rJm2NELXRkumoeQEBSKd0z8c/fWu Original-Received: by Costume-Party.local (Postfix, from userid 501) id D17AB203D659D6; Fri, 31 Dec 2021 22:39:47 +0800 (CST) X-OQ-MSGID: In-Reply-To: <878rw1pvcw.fsf@logand.com> X-Face: %[!P\u/BKFRGn_9h9|yO"ho?C0ej^LmM}WMb-`Jfj8OsS^^AKmHYGlD@^|7SEA3UzOGPFbB"OFczY?'\JtJ\lR'@&Y5j; s8{$&|3D>^i.U4l2h?1qpD.+{[$~j]vBeHZf^|BGyL8{/`4 X-Attribution: ldb Received-SPF: pass client-ip=203.205.221.240; envelope-from=andpuke@foxmail.com; helo=out203-205-221-240.mail.qq.com X-Spam_score_int: 27 X-Spam_score: 2.7 X-Spam_bar: ++ X-Spam_report: (2.7 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HELO_DYNAMIC_IPADDR=1.951, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_DYNAMIC=0.982, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.devel:283744 Archived-At: >>>>> In <878rw1pvcw.fsf@logand.com> >>>>> Tomas Hlavaty wrote: Tomas> The interface is different from Common Lisp, where make-finalizer Tomas> usually expects object and thunk, not thunk only but I guess the problem Tomas> lies somewhere else. If you mean you are looking for a finalizer interface similar to what Common Lisp's trivial-garbarge library provides, there was one in Emacs Lisp before `make-finalizer' was provided. https://nullprogram.com/blog/2014/01/27/ Both that one and trivial-garbarge are based on weak references. However that is actually not very good because that impose a lot of jobs on GC, at least for Emacs the garbage collector is not as good as many Common Lisp's ones.