Date: Wed, 16 Nov 2011 19:54:52 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Jilles Tjoelker <jilles@stack.nl> Cc: freebsd-rc@FreeBSD.org Subject: Re: KEYWORD: shutdown Message-ID: <4EC3F8EC.2010005@FreeBSD.org> In-Reply-To: <20111116173856.GA31200@stack.nl> References: <4EC3E667.4080906@FreeBSD.org> <20111116173856.GA31200@stack.nl>
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on 16/11/2011 19:38 Jilles Tjoelker said the following: > On Wed, Nov 16, 2011 at 06:35:51PM +0200, Andriy Gapon wrote: >> I am new to all the rc stuff, so please pardon me if I am asking >> something obvious or silly. What are the main reasons to _not_ have >> the "shutdown" keyword in an rc script? What are the examples / >> usages? > > Traditionally only very few scripts had "shutdown", leaving most of the > cleanup to the SIGTERM and SIGKILL from init. > > Because it was fairly complicated to get this right (for example, a > database server needs "shutdown" but also all programs that use it), a > few years ago it was decided to add "shutdown" everywhere. The slower > shutdown (a few seconds at most on machines with decent CPUs, but > possibly rather more on slow embedded machines) was accepted. > So nowadays (or "if I got to do it again") it would make more sense to have "shutdown" as a default and add "noshutdown" for some hypothetical special cases? -- Andriy Gapon
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