From owner-freebsd-hackers@freebsd.org Tue Nov 10 12:13:18 2015 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9EDC4A2A669 for ; Tue, 10 Nov 2015 12:13:18 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 31D0A14A2 for ; Tue, 10 Nov 2015 12:13:18 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id tAACD9mo092572 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 10 Nov 2015 14:13:09 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua tAACD9mo092572 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id tAACD9fj092571; Tue, 10 Nov 2015 14:13:09 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 10 Nov 2015 14:13:09 +0200 From: Konstantin Belousov To: Ivan Radovanovic Cc: freebsd-hackers@FreeBSD.org Subject: Re: Detecting new file name after receiving kevent's NOTE_RENAME Message-ID: <20151110121309.GO2257@kib.kiev.ua> References: <5641A2A5.7070909@gmail.com> <20151110081421.GL2257@kib.kiev.ua> <5641B6D0.4070207@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5641B6D0.4070207@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Nov 2015 12:13:18 -0000 On Tue, Nov 10, 2015 at 10:20:16AM +0100, Ivan Radovanovic wrote: > Thanks, kern.proc.filedesc is super-efficient compared to what I had in > mind. I assume right way to use it would be through kinfo_getfile(3). Both direct sysctl use and kinfo_getfile() are supported, in the sense that the API and ABI of the interfaces are not supposed to change in non-backward compatible way, and the interfaces itself are not supposed to disappear.