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Fri, 10 May 2019 09:47:52 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.1.6-449-gfb3fc5a-fmstable-20190430v1 Mime-Version: 1.0 Message-Id: <8236aa81-6833-4168-90e9-0f06824179ce@www.fastmail.com> In-Reply-To: <9f04fc825b4a931e51c4d7fd5d7ed7e0@freebsd.org> References: <22066461556647435@iva8-3b901672a9c5.qloud-c.yandex.net> <9f04fc825b4a931e51c4d7fd5d7ed7e0@freebsd.org> Date: Fri, 10 May 2019 09:47:52 -0400 From: "Dave Cottlehuber" To: freebsd-jail@freebsd.org Subject: Re: Application Jail Shutdown Problem X-Rspamd-Queue-Id: 4E39571DE4 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=skunkwerks.at header.s=fm2 header.b=Sb+43h1Q; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=ZSqrNvVj; spf=pass (mx1.freebsd.org: domain of dch@skunkwerks.at designates 64.147.123.21 as permitted sender) smtp.mailfrom=dch@skunkwerks.at X-Spamd-Result: default: False [-4.12 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; 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RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:11403, ipnet:64.147.123.0/24, country:US]; IP_SCORE(-1.61)[ipnet: 64.147.123.0/24(-4.75), asn: 11403(-3.23), country: US(-0.06)]; MID_RHS_WWW(0.50)[]; RCVD_IN_DNSWL_LOW(-0.10)[21.123.147.64.list.dnswl.org : 127.0.5.1] Content-Type: text/plain X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-jail@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion about FreeBSD jail\(8\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 May 2019 13:48:03 -0000 > mount them). So some process needs to be watching to see when the jail > goes away. That would be some kind of watcher that wakes up > occasionally > and sees if the jail is still there. It might be nice to have some > kqueue > support for jails. That or devfs notifications? Plumbing these up to general sysadmin tools would be nice. Dave