From owner-freebsd-hackers@freebsd.org Wed Aug 23 01:10:22 2017 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 C7DCEDCB1AE for ; Wed, 23 Aug 2017 01:10:22 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42]) by mx1.freebsd.org (Postfix) with ESMTP id B055580930 for ; Wed, 23 Aug 2017 01:10:22 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from yv.noip.me (c-24-6-186-56.hsd1.ca.comcast.net [24.6.186.56]) (authenticated bits=0) by shell1.rawbw.com (8.15.1/8.15.1) with ESMTPSA id v7N1AF2F084752 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Tue, 22 Aug 2017 18:10:16 -0700 (PDT) (envelope-from yuri@rawbw.com) X-Authentication-Warning: shell1.rawbw.com: Host c-24-6-186-56.hsd1.ca.comcast.net [24.6.186.56] claimed to be yv.noip.me Subject: Re: How can the shared memory object be undeletable when all shared memory segments belong to the same user? To: Konstantin Belousov Cc: Freebsd hackers list References: <20170812090308.GH1700@kib.kiev.ua> From: Yuri Message-ID: Date: Tue, 22 Aug 2017 18:10:14 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170812090308.GH1700@kib.kiev.ua> Content-Language: en-US Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Aug 2017 01:10:22 -0000 On 08/12/17 02:03, Konstantin Belousov wrote: >> Only renaming of the shared memory object in the code or reboot helped. > Root should be able to unlink it. Isn't shared memory supposed to be deleted when the last app that used it quits, gracefully or not? Yuri