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: master af152ffab1: Don't freeze if the compositing manager crashes Date: Sat, 30 Jul 2022 18:39:17 +0800 Message-ID: <87mtcqlwa2.fsf@yahoo.com> References: <831qu36std.fsf@gnu.org> <8735ejm6bb.fsf@yahoo.com> <83wnbv58jh.fsf@gnu.org> <87sfmjknce.fsf@yahoo.com> <83sfmj56m4.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="10131"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jul 30 12:41:31 2022 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 1oHjuV-0002Pi-B2 for ged-emacs-devel@m.gmane-mx.org; Sat, 30 Jul 2022 12:41:31 +0200 Original-Received: from localhost ([::1]:55762 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oHjuT-0001Kb-TB for ged-emacs-devel@m.gmane-mx.org; Sat, 30 Jul 2022 06:41:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44874) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oHjsc-00086F-Ui for emacs-devel@gnu.org; Sat, 30 Jul 2022 06:39:35 -0400 Original-Received: from sonic302-21.consmr.mail.ne1.yahoo.com ([66.163.186.147]:42237) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oHjsb-0002G1-JL for emacs-devel@gnu.org; Sat, 30 Jul 2022 06:39:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1659177570; bh=KlSsr4Gf6MPYGS3PYjSye7N7jyEv6f+8HoKgBdV9xSM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=IlXyEeqlpv6/aFeqSDaHzIMn9cdhmbq7ChT8fUw2NGwprMprX4D00qUSPReihfJeWjDfkiV9/RG4fOFafrv76LVSuaRltW9ehmf4JUGi3liE+SXz16cerhftI4qezpDCEpPrsnEbElGIuDmkPr/5gGEWoXJSCGWx3tF/lfHA4UNuP9NhfEgTZdO1wYwsGOkuimZp/FIcnIN+meklrvkAwejhdxWeJ/2ZGSAr1BwHDqKT5FiyiC/iIFwPd+JLnzhYpsLVqcQdTuOGvGcyqGqaK0fDNmqiItreuV/Egf+RumEsFnzzTJZPwm9LbeZtOyQ2QHBYJoJq8nQUjyXXw5AGFQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1659177570; bh=ehduprkMY4gJDn737csV0DMvo0fK2XGtBA64nubkpZy=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=nIt1itxIxOF06HVJdNf2lk/KdpwfzrC6+pKPrlZ9GkpPJqD5jkT0CSZus6QurgjHWeWYGerDABMONlsbZvyX+F/FoB2778xR3dOBob7U14FgtbTe75OmwVXe7eQxgv04Qr6L9geAS2bwFx+U2v42TSFGZY7mHfZbUKkc1QBLzhBLn3ZvbQH/HxlDTaOy7s/0I/LWJSylj+WEzzYkSGrlKRJAGkC0o2vWTh6dSgTbQUO9e2HnVPd2Ld8hkTgk2desneIbSpeBbBoPUHwLSIdIdjY8FkZtBpFrD60Izt88v6mw8+iCuu3xHtKFNtT2moU+lYKUVYvL3P5QlwO7bx+qqw== X-YMail-OSG: V7C5LzgVM1nPWp1wI2M0pkKaF270XEW1CV5Gr4v9HxXdd59GP2pB9NcyjaZt2EK y8T7Qlk_csTKgqY0udZirSaJ1BTskjGb01FXoZCJ3d2WxfLG3ysaA0xXUE9lO8ZBUbwHvx1KiGIF vipxps2sCXyORpleO3LCfo_l_x9Bio.DP76gflj_r4zncJdTjJkp1G5cHKUN5YAKfOGP52OHCvNm tFm29HmUxPVtgIjgjmHgPCWJpxoTVz.79Ci.vM6aw0kdCO8A47lTxdd3c3O9yKz6_NvOa4WYTMMs HinxLyAc6W5rsm.UstbW7tYuyeMh1BJpm1cgCty3VP7bYMs4pABKPlvV.A2HMMUiZmzVRNFos9Pu zG0cMEkmGtTYHB3QkhS2cj8sQVGja_B5pBWPJbfben7vOasUElEFYkTLYeEz.0_kNLWKG9LBogyS AQMqEoYMlXdfsPDDryG1D44Lu5JhB1qSFFMuVe78Ae.Ha.IqeTh_ATI6hJblwQ2tj7WhQT2WkKTQ 6YbcL_.dfdYPrkwbEJIb8byvbK0rg8u_17hNM0k6khJ91CshiAde58fbw_thmvol7FRx2j.AeJHL IZJWeG.I21wZ9oaJb7tM_ZnD19HJRKJjHzCkVYUDRIliHDrc6VCZyr.yneVKRT.uCPHHNjQUK0Sn 2bqzUSPMBv2KA_mr8uWH6rS8yLu1ZUtuCzy_oNMw3_A88ykqXMMzEQ8IjQR.Lq5y1GWXY6TlpM5I Xv.iu6HRjy_oUyi7ibFKOn4Iu8DR9bwmVyaMPxn3jMIYVJqR3tECtA.PGoMSDEDR7VCkqkqBf8a0 xhcZFAc7H4T8136hQnTyj77zl8HSlf0GEAfc1mXz0Q X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic302.consmr.mail.ne1.yahoo.com with HTTP; Sat, 30 Jul 2022 10:39:30 +0000 Original-Received: by hermes--canary-production-sg3-854c886654-qwxz7 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 5f0ee3b02843418e338e0caa16d29eb2; Sat, 30 Jul 2022 10:39:23 +0000 (UTC) In-Reply-To: <83sfmj56m4.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 30 Jul 2022 11:48:03 +0300") X-Mailer: WebService/1.1.20447 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.186.147; envelope-from=luangruo@yahoo.com; helo=sonic302-21.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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:292864 Archived-At: Eli Zaretskii writes: >> From: Po Lu >> Cc: emacs-devel@gnu.org >> Date: Sat, 30 Jul 2022 16:37:37 +0800 >> >> Eli Zaretskii writes: >> >> > Why not? >> >> Because wait_reading_process_output will call read_socket_hook to read >> events, and at that point it's too late to extract the event we want out >> of the queue. > > Why too late? Because read_socket_hook has already removed the event (which is probably not the event we want) from the queue. > Anyway, your change freezes Emacs for a whole second, which doesn't > seem to be a good idea. It only freezes in a rare situation, which is when the compositing manager crashes after the user has explictly enabled frame synchronization.