From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#34618: 26.1.92; timerfd interface causes slowdown on Cygwin Date: Sat, 09 Mar 2019 21:42:38 +0200 Message-ID: <83lg1n7s29.fsf@gnu.org> References: <83h8cvree7.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="130783"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34618@debbugs.gnu.org To: Ken Brown Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Mar 09 20:43:10 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h2hsD-000XwF-Je for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 Mar 2019 20:43:09 +0100 Original-Received: from localhost ([127.0.0.1]:34762 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h2hsC-0001h2-FL for geb-bug-gnu-emacs@m.gmane.org; Sat, 09 Mar 2019 14:43:08 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:35685) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h2hs7-0001gs-36 for bug-gnu-emacs@gnu.org; Sat, 09 Mar 2019 14:43:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h2hs6-00039k-Ck for bug-gnu-emacs@gnu.org; Sat, 09 Mar 2019 14:43:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52122) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h2hs6-00039U-82 for bug-gnu-emacs@gnu.org; Sat, 09 Mar 2019 14:43:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1h2hs6-00019g-17 for bug-gnu-emacs@gnu.org; Sat, 09 Mar 2019 14:43:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 09 Mar 2019 19:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34618 X-GNU-PR-Package: emacs Original-Received: via spool by 34618-submit@debbugs.gnu.org id=B34618.15521605804433 (code B ref 34618); Sat, 09 Mar 2019 19:43:01 +0000 Original-Received: (at 34618) by debbugs.gnu.org; 9 Mar 2019 19:43:00 +0000 Original-Received: from localhost ([127.0.0.1]:37433 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hs3-00019Q-VQ for submit@debbugs.gnu.org; Sat, 09 Mar 2019 14:43:00 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:49489) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h2hs2-00019C-78 for 34618@debbugs.gnu.org; Sat, 09 Mar 2019 14:42:58 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:35110) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h2hrw-00032e-R2; Sat, 09 Mar 2019 14:42:52 -0500 Original-Received: from [176.228.60.248] (port=3255 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1h2hru-0004Fv-T4; Sat, 09 Mar 2019 14:42:52 -0500 In-reply-to: (message from Ken Brown on Sat, 9 Mar 2019 19:27:34 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:156201 Archived-At: > From: Ken Brown > CC: "34618@debbugs.gnu.org" <34618@debbugs.gnu.org> > Date: Sat, 9 Mar 2019 19:27:34 +0000 > > The Cygwin problems with the timerfd functions have been fixed as of > cygwin-3.0.2, so I've re-enabled the use of these functions on the master > branch. To play it safe, we should probably leave them disabled on the emacs-26 > branch. Isn't there a way to get at the version of Cygwin at run time? I think the best solution is to allow timerfd functions only for versions whose support is not buggy, and that's not a compile-time decision, right?