From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: shr using `make-xwidget' incorrectly Date: Thu, 11 Nov 2021 17:27:25 +0800 Message-ID: <87fss3vy82.fsf@yahoo.com> References: <87sfw31mok.fsf.ref@yahoo.com> <87sfw31mok.fsf@yahoo.com> <831r3n2n6j.fsf@gnu.org> <87fss3xjdc.fsf@yahoo.com> <83tugj15op.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10072"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: larsi@gnus.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Nov 11 10:28:58 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 1ml6O8-0002SI-2D for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Nov 2021 10:28:56 +0100 Original-Received: from localhost ([::1]:52298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ml6O6-0002pN-Sv for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Nov 2021 04:28:54 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:56212) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ml6Mt-0000eV-IX for emacs-devel@gnu.org; Thu, 11 Nov 2021 04:27:39 -0500 Original-Received: from sonic316-22.consmr.mail.ne1.yahoo.com ([66.163.187.148]:33187) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ml6Mr-0004kd-C9 for emacs-devel@gnu.org; Thu, 11 Nov 2021 04:27:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1636622855; bh=Da0bil4gKWSiAjYyaErR+/NmU7m4nDMormhkjyYntzY=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=mnmrXWWffSWr3hNLU3Uyt1NkVpAz897aTzW55t1wl68x0fqqNqwl5mz+nZKLVRKFGZJJIQm8e9e8DJsy5hbsONt7807yQZRKgZ9GKg9zvtAXg4t2d5FrlCMLyGRKBJOKG10Dr/gh689dOt36mz0ko55gq/2Ay4+LCwfzdSfLcKFTmWmSbqOVmA9lNRRZaejJHAgXAfeLOccH480EuYfXEnTjsw5AVv6LFHHuCZnCsegwW/xqNarJChQrmdB60B3ZgSb0RdIf9QPyTNVjJ5m/E1myzTkQbDUHwTX+cVAu8W6I1eoMi1TJB+yUo1uZBAShvqzvZCJan/CYV+FWpnenNg== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1636622855; bh=Yz6NWylW1bE+BdqMdraQw2pEj99AW7bP5yWOYzHq6IO=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=qCR1odHpdM0MJoyv8N8a1eMAdeiyhCyZdmjQ2qdFmSy8vhOItSkvKXhvvCgygmIpp0KYndY51Xr+yNjhLtWHamK76dRSSIIZAncJzokBHuMFpsJhxbiOzSvDOXGrBaGt/0tZdUhJ94KQy2jWOCTDzmQvPFWa1zC31146+AuDaGLwUTEoGBoZxqPWzg1BaWs+59GyVaLUoAB1eOAAZg5cCEVX3WE+nsKB2YZ5f3nMluDsOGQ3B1YXcrkdRnNM0yqYnqnSAzo0sTsqgXipAzjlgpLt0J00G9oEonN2RBEOUaPCMdahjp8aIqlT41SlXIvzvTJBpvpGKpbgOv8SKct1mQ== X-YMail-OSG: Je5wkz4VM1ml0adxmkTlr2O21CFKAwryhFw3WMoyQ1C60GX7oT6w3nI0zGA3kgH JBAaPUaSwRAgmLZOOCWMcFZqEGKHxZeVHvGLF.U4fDqeiqzuL1c52iSsUj6XM9jnsntilbMKloLz WFhRIgKXdGkfJAEG4xsB0y79_Imfv_tfCNmIxBidqrvd8mQM9zNjm7gJgqguoorVhMnqb5Cf7jtW 5mo4WjG8lVJv9iBVPa.txoLPwk9NHftGqlXgSkoGuvFSZnsGy3t2OCFI4N0Qrdr2EHX3FdKKDxkP pLJWsFVH1kaZU6HotAHztZcfH7F4o_E3Fjs9KGLAlQTY6xhwel_TCpX5i5xfF8cTHY6Q0Qa9a.WA qaQjbm4nd9_.fsrKAgGeyo8osGuYfrgT91tucINJWQFTUVrTWW7hxVO5jLljDzz8IXk8OSDstuca lEKjR5Qh3B6DQlXmctrGeEpYRbKgv3iET.BvDrK6YEFOga3mEGPJiYFjWUcNUboi01KPrZ4F3NI7 MZuIac8w8Xr8RGpN_pOS5RIwq.m0utsBLgVSXK_bWF24R0QQG41JTlB9dUtQPnfZ5zQH8Xy.PDVs UxtNtQXS8XZqbqkyt.MIJbN4OGZ1bUqhsFMv_rVeGT1x9gq6blIoC.99Z_nR2gadmnO7RnowE5KF .hm0HXBvISBWV.vts8Kh0ZRjHada0mU1jveffndOrL_aCg7g4gL602YRxkNTMItNwkFpIn1UZ.fn dIX9_wwApvGc5Zb3Ysoom.DsE7YlS7fQl4McTrsPsjinl4ZeYNl3ktfXr5w_g3zW_bOB1U6BFjFL AfX4wAZBK.4.gfh.vBMZLbhmY_qfJfoD_bTpX8vwLR X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Thu, 11 Nov 2021 09:27:35 +0000 Original-Received: by kubenode507.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 15f416e798b0d4d23070447766a5d579; Thu, 11 Nov 2021 09:27:28 +0000 (UTC) In-Reply-To: <83tugj15op.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 11 Nov 2021 10:01:58 +0200") X-Mailer: WebService/1.1.19306 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.187.148; envelope-from=luangruo@yahoo.com; helo=sonic316-22.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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:279235 Archived-At: Eli Zaretskii writes: >> We are releasing the GTK resources when such a buffer is killed. This >> is the problem here: code that uses `CHECK_XWIDGET' won't catch the case >> where the GTK resources are released, but there are still references to >> the xwidget, which causes use-after-frees when trying to redisplay the >> xwidget, or when calling, say, `xwidget-webkit-goto-uri' on the xwidget. > Isn't there some indication in the xwidget that its GTK resources were > freed? If not, can we add such an indication and set it when we free > those resources? There isn't, but I added one in the patch I sent Lars.