Date: Wed, 17 Jul 2013 17:29:11 +0200 From: "Julian H. Stacey" <jhs@berklix.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-mobile@freebsd.org Subject: Re: Adding a hook to shutdown.c & halt (reboot.c) to call a script. Message-ID: <201307171529.r6HFTBIZ063855@fire.js.berklix.net> In-Reply-To: Your message "Wed, 10 Jul 2013 14:35:56 EDT." <201307101435.56193.jhb@freebsd.org>
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Hi, Reference: > From: John Baldwin <jhb@freebsd.org> > Date: Wed, 10 Jul 2013 14:35:56 -0400 John Baldwin wrote: > On Friday, July 05, 2013 6:35:02 pm Julian H. Stacey wrote: > > > shutdown(8) signals init (unless -o is given), which will run > > > /etc/rc.shutdown from multi-user mode. The same applies to ctrl+alt+del, > > > kernel-controlled overheating shutdown, etc. > > > > Thanks Jilles, So I appended to my rc.shutdown > > # -x not -f below to also allow a symbolic link to work. > > if [ -x "/etc/rc.shutmedia" ]; then > > /etc/rc.shutmedia > > & renamed my URL to http://www.berklix.com/~jhs/bin/.sh/rc.shutmedia > > > > > > > reboot(8) and halt(8) do not involve init and do not run any shutdown > > > scripts. I think they should be changed to signal init (except reboot > > > -q, halt -q) and should not be used until then. However, there are > > > apparently some problems with that. > > > > > > The incorrect umount order should perhaps be fixed in the kernel. > > > > Yes, bad enough for a local laptop to hang, > > if it was a remote server, very nasty. > > You can just put a script in /usr/local/etc/rc.d. If it has the > 'shutdown' keyword it gets run with a 'stop' command during shutdown. > > (Just grep for "shutdown" in /etc/rc.d to find example scripts) Thanks John, I tried, it works :-) This thread also includes USB shutdowns so I'm cross referencing: http://lists.freebsd.org/pipermail/freebsd-stable/2013-July/074280.html Cheers, Julian -- Julian Stacey, BSD Unix Linux C Sys Eng Consultant, Munich http://berklix.com Reply below not above, like a play script. Indent old text with "> ". Send plain text. No quoted-printable, HTML, base64, multipart/alternative.
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