From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: OSX FSEvents file watching support Date: Thu, 18 Jul 2019 13:31:10 +0200 Message-ID: <87muhbeg01.fsf@gmx.de> References: <0ce358e3-9333-4717-97d5-f03d882bc2d0@www.fastmail.com> <83lfwvy9ai.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="172221"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: Muir Manders , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jul 18 13:31:33 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ho4dJ-000ihN-8E for ged-emacs-devel@m.gmane.org; Thu, 18 Jul 2019 13:31:33 +0200 Original-Received: from localhost ([::1]:36604 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ho4dH-0003yF-2J for ged-emacs-devel@m.gmane.org; Thu, 18 Jul 2019 07:31:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51516) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ho4d6-0003wN-6o for emacs-devel@gnu.org; Thu, 18 Jul 2019 07:31:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ho4d5-0001IE-As for emacs-devel@gnu.org; Thu, 18 Jul 2019 07:31:20 -0400 Original-Received: from mout.gmx.net ([212.227.17.22]:43015) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ho4d4-0001GP-Br; Thu, 18 Jul 2019 07:31:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1563449472; bh=GIEBB1liwgtSleiDwOnb/lLCwHMVgaiuerWz4zszOGk=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=PlIce377xwre18TgzTwKB+6a2A8aBjNPtK4JGc54spEHr1/xIGimXbs3CFyw1/ntm h2N1Mll4w5stJrDJBOTvY0l9Rn+1SOpMfo3YQN3YDk3mjZDNuUW+2wCnx+v1iYfUgk p5Rv+r0hq1BzyTI0d3Z9/RcW0F3JNSHhaJ5U020Y= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from detlef.gmx.de ([212.86.58.192]) by mail.gmx.com (mrgmx101 [212.227.17.168]) with ESMTPSA (Nemesis) id 0LyR1G-1iTPgk2ynu-015o2G; Thu, 18 Jul 2019 13:31:12 +0200 In-Reply-To: <83lfwvy9ai.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 18 Jul 2019 12:35:49 +0300") X-Provags-ID: V03:K1:MY4TYfOO0YFaa/m3C3QQN5v6/BPxRzP13z/PclErK/uxe3VXLa5 W98WKZp6fIj945ABxAtKvELS8EHm1Jlc70kimdW0sUT8TajuyT9b5wbrzKjdFVR8HWL1kDo 24faTQ24/LOlX5v18cBOxa4fjaus1vQQ7J3St6pMx42heY9STKUBK2nfHrsYhbyiBdU+E2s kWQ40xc+L+xvgQe8lGQCQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:cRn/kkyN8+8=:mJdQ7PUbIn2lL3acaFZQIC jJRTUXiVVW/sFFI6k1VoXiorzgjZY5Prcv14Bz7mg4NdDzfmnNsKyJSGtsnjXV+26wz0nLtUD 7O5BWe3p3jtz20CCWkjplXGXLR3fr5KLXd/wrwOf+v9KcGf5x/pct878SijiXtCzwkGryJBus SUBSG0Hxm7svGpETyihOZFHnkrqDTP+yVW0btaoEUADMvJxl/mFtAx28rSV6BURGf2+pyljB4 jUDcye/da/RWrNWAMXnVaS1IdSh+NkGkRzEzc8Pl+/ErQ217dXpvi1ZDxnlTl63WbpXs+ZLCr ItNtL/yYJBqKROVzFVIYXTQhT2Sf1GZ5iMCpqKf69NB7GROJTgkdw2T6j5DbKpY5q82+fKLqE pFAXiQ3sSmd+d9Csl7/oY79sRc0XgOFPuBGW13xCeP0wRaguqJ6ntWWx+yqFse7oyTrA9Y9SN qL4h9OhXlCV0jFGK41dqHpArIlg9GqKsR7bZP9tIrddXGz+RR8FysKq8jHveWdcoPoyFaRbDA STLndsTCtCqRhYPCV4Bj+zPOgRrI7thb+8J7m3A9nuwYfoIV2zRQLWc+gHVKJ9XwQ7igV6hDY M6DDnmearI0e4fL8hPNo1vOWIJXzgpAeg4J8m2rTWCKhW8e5IO52O74oJCNteknImODhH/xcK aPvagS77rqy4h+H4+f85g1tWPfzJJ1k+doBsiXCWta6Chh79XCfOpXPhPwIMU8kCFrc1scDeC oTfYRdq8mA7NN0NxuQqYzOBPU0wSlrExTfVfdW4PRMxwp1TCQlgmHSI23o4uTQEsdoELRuku X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.17.22 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:238633 Archived-At: Eli Zaretskii writes: >> 3. Publish an elisp package that calls out to an existing program >> that supports FSEvents like "fswatch". This >> approach probably has the least friction, but doesn't allow for >> tweaking FSEvents settings, and might have >> performance disadvantages. > > How would that work, implementation-wise? Filesystem events are > supposed to be eventually injected into the input queue; how would you > go about doing that when an external porgram does the watching? Tramp mimics this by calling the respective special event filter function file-notify-handle-event. See tramp-sh-inotifywait-process-filter and tramp-sh-gio-monitor-process-filter. Best regards, Michael.