From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#53191: 29.0.50; file-notify-add-watch fails for socket files on MacOS Date: Sat, 15 Jan 2022 15:45:23 +0100 Message-ID: <877db1ys58.fsf@gmx.de> References: <87mtk1pbss.fsf@gmx.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1349"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 53191@debbugs.gnu.org To: "Troy de Freitas" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jan 15 15:46:15 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1n8kJr-0000Dt-A3 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 15 Jan 2022 15:45:24 +0100 In-Reply-To: <87mtk1pbss.fsf@gmx.de> (Michael Albinus's message of "Wed, 12 Jan 2022 10:01:55 +0100") X-Provags-ID: V03:K1:+o8P/nBOxcvTDo33t45J8w0550+tGXKvs0JOgTMZyi15qNmiGNm vDwiwQzY+xX15GQXR+hp1MPyc3s4AeUP6Hy6cPVFzqVG+iSXX1vbNCbeBy+2sxJnAJ22CaG eJIseG3uHeieezgqdcrtMc7YaUlmFQLDOMfyVwU1y23ZtNl5cOBSQcy02M+6TKUG/lfp5uQ Bxca0i77ocTIyiLWBW/HA== X-UI-Out-Filterresults: notjunk:1;V03:K0:ZU/lga4Dank=:OnEg6QRHAlemzoEDCr7Aww z6vMPsSQeAzBaFvOBdUxtuk9uslNFXMQLX3QMxaIWu0x0+OWW6aNQ7nsGvrGIlenEviYInDzz QzXJ3LbpwKDybpg8oqSjT9I8sZki+0v7LRafXj7ydHOaibJgrBSg7m71AzbuXzrIWxXt+INPZ ecyQ55UYnsuW8/gkLfO4Ut61aAe5m9e+mXe5yG5AzzEsSb00Iqrc7CgJQfuvVfIJn1TPsExP9 uL0hG2CdER2ljoa0uRSPFg3LG6JWeBlntPFbJXcAovtMuybjQInbkKfwTLr+WlybQ1G1jxput LWibM1qJXHNEMz31rjZoVkj0Hc9Fq1XtW0PHS1uLWlHHUBBCyIORGcmAXfXdkT1akLBeXBM2P d6GUQlLLae5vb+/6zTYF+LFz0Qc3J7feJijlQ+v0UbwK7Ptuqde4HITYp8DePefe4hpowwTj/ bFK9PdOH2lxDSSnkgQ4MpNmRiIG1vvUqGjZuKB+wQoeHsxlsFFsIY87CJUA+AX8zuXlnAGqFL WLK6T5DEs7gxfwMkwCsweSmcfgsdHgAKrCFAgEejE13tFpM3POGcpT7HgMTO4CeXmh22f7PRW h3iemCB6BWnqMsWmhEGiyzZnVCt98gjJdifV5DnbLTsu+TBz/lKf6oQq1NUG8C3KJAYi9HbSB 4S84Ch0YdUUYsMXYWQmvp2W9yQn7fl/ebIe4DuLXCUrehn/YibZBE9P4r54ziACPl/jGh3DyG zZJgKiLzRCcGgJ55amn83+L9r/FLIUaOrbv5V1a03qMEw9wrhfiGUqiQCvdqpnVk5bDW9zqI X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:224312 Archived-At: Michael Albinus writes: Hi Troy, > Thanks for the report. The incrimed behavior is due to unconditional > using of the EVFILT_VNODE filter, calling EV_SET in > Fkqueue_add_watch. This requires a file descriptor. > > I'll investigate, whether another filter, like EVFILT_READ, is better > suited for sockets, using a sockfd. This might take some days, though. I'm sorry, but it seems that EV_SET requires a file descriptor. I couldn't find a way to pass the socket file otherwise but via open(), which doesn't work on *BSD-like systems, as you have analyzed. What is your use case to supervise a socket file? You can't get more information except that the file is deleted. And this you get also if you monitor the parent directory. >> - Troy Best regards, Michael.