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[82.140.233.136]) by smtp.googlemail.com with ESMTPSA id q1sm98384973pfn.178.2019.08.01.11.14.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Aug 2019 11:15:01 -0700 (PDT) Subject: Re: rc script: manual stop vs system shutdown To: Warner Losh , "Rodney W. Grimes" Cc: FreeBSD Current , freebsd-rc@freebsd.org References: <2e50fb67-8a19-412b-19d2-14f5f20b61f8@FreeBSD.org> <201908011553.x71FrTCd060252@gndrsh.dnsmgr.net> From: Andriy Gapon Openpgp: preference=signencrypt Message-ID: Date: Thu, 1 Aug 2019 21:14:56 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 45zz3X50wGz432q X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of agapon@gmail.com designates 209.85.215.179 as permitted sender) smtp.mailfrom=agapon@gmail.com X-Spamd-Result: default: False [-4.14 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; RCVD_TLS_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[FreeBSD.org]; TO_DN_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.99)[-0.994,0]; RCVD_IN_DNSWL_NONE(0.00)[179.215.85.209.list.dnswl.org : 127.0.5.0]; IP_SCORE(-3.14)[ip: (-9.80), ipnet: 209.85.128.0/17(-3.41), asn: 15169(-2.46), country: US(-0.05)]; FORGED_SENDER(0.30)[avg@FreeBSD.org,agapon@gmail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[136.233.140.82.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.11]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[avg@FreeBSD.org,agapon@gmail.com] X-BeenThere: freebsd-rc@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion related to /etc/rc.d design and implementation." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2019 18:15:05 -0000 On 01/08/2019 19:12, Warner Losh wrote: > > > On Thu, Aug 1, 2019, 10:53 AM Rodney W. Grimes > > > wrote: > > > > > Is it possible in an rc script to distinguish between a manual stop > > (e.g., service foo stop) and a stop during a system shutdown (via > > rc.shutdown) ? > > Are there any marker variables for that? > > Or something in the global system state? > > Not that I can think of, but I like this idea, > I am sure that use cases exist. > > > What is the use case that needs to disambiguate the two cases... I have one use case in mind and it's a truly special case. I want rc.d/watchdogd to gracefully stop watchdogd and to disable the watchdog timer when the stop action is requested manually. And I want it to stop watchdogd and set the watchdog timer to a special shutdown timeout during the shutdown. If the special timeout is configured, of course. -- Andriy Gapon