Date: Thu, 26 Jul 2001 23:51:18 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Igor Podlesny <poige@morning.ru> Cc: "(Dave Chapeskie)" <dchapes@ddm.crosswinds.net>, hackers@FreeBSD.ORG Subject: Re: Re[6]: perhaps one of phk's "intern" projects? Message-ID: <Pine.BSF.4.21.0107262350480.8335-100000@beppo> In-Reply-To: <49346171598.20010727143723@morning.ru>
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Well, thank you for your contributions. Go off and play with RSTS or something equally suitable. On Fri, 27 Jul 2001, Igor Podlesny wrote: > > > You're being somewhat obtuse. > > Really? it's probably because I don't multiply apple * milk wishing to > receive gasoline in answer. > > > Complicated times such as 'teatime' and 'reboot' are explicitly allowed. > > It isn't a fact, what a pity... > > As I said before teatime is strictly defined in the manual... If you > permanently reboots your system at "teatime" give us a call (911) > > > On Fri, 27 Jul 2001, Igor Podlesny wrote: > > >> > >> > >> > >> > Hmm. > >> > >> > 'at teatime' > >> > >> > seems the same as > >> > >> > 'at reboot' > >> > >> excerpt from man 1 at which can be seen at > >> > >> http://www.freebsd.org/cgi/man.cgi?query=at&apropos=0&sektion=0&manpath=FreeBSD+4.3-RELEASE&format=html > >> > >> "...You may also specify midnight, noon, or teatime (4pm) and you can > >> have..." > >> > >> So you mean you always reboot your system at 4pm? ;) > >> > >> > >> > On Fri, 27 Jul 2001, Igor Podlesny wrote: > >> > >> >> > >> >> > On Thu, 26 Jul 2001, Matthew Jacob wrote: > >> >> >> It'd be nice if one could pass a time specification to at in the form > >> >> >> of "next reboot". > >> >> > >> >> look... there is a big difference between time specification in > >> >> at-program and suggested reboot keyword... I'd say it is like > >> >> incompatible types... messing up time values and conditions like reboot > >> >> which are certainly kept within time but AREN'T time values by itself. > >> >> > >> >> from man: > >> >> "... > >> >> At allows some moderately complex time specifications. > >> >> ..." > >> >> > >> >> but it's always foreseen when precisely the action will have it place > >> >> if the power is on and everything in system works ok. > >> >> In case of reboot, this statement fails. > >> >> > >> >> So, I deem, it's not worth implementation within 'at' syntax. If > >> >> somebody want such thing as 'do something on the next reboot', let's > >> >> write another program (call it onreboot for e.g.) and try to use it. > >> >> Although I bet, it isn't so necessary as it could seemed at first > >> >> glance. > >> >> > >> >> > >> >> >> > >> >> >> -matt > >> >> > >> >> > On Thu, 26 Jul 2001, Matthew Emmerton replied: > >> >> >> Why not just write a script for the command and stick it in > >> >> >> /usr/local/etc/rc.d? > >> >> >> > >> >> >> -- Matt Emmerton > >> >> > >> >> > On Thu, Jul 26, 2001 at 03:45:58PM -0700, Matthew Jacob replied: > >> >> >> Because I thought this might be of general utility. > >> >> > >> >> > >> >> > Okay, try the attached patch. If this is really something that might be > >> >> > generally usefully I can submit the patch as a PR. > >> >> > >> >> > It allows "at reboot" and "at reboot + 1 hour", etc. > >> >> > >> >> > It does it by sticking the job in the queue with the filename prefixed > >> >> > with "_" (yeah, a bit ugly, it was the first thing that came to me) and > >> >> > with the runtime based on the epoch instead of the current time. > >> >> > >> >> > Adding: > >> >> > @reboot root /usr/libexec/atrun -b > >> >> > to /etc/crontab causes atrun(8) to rename all of these jobs adding the > >> >> > current time to the jobs runtime. > >> >> > >> >> > >> >> > % echo "echo test" | at reboot > >> >> > Job 19 will be executed using /bin/sh > >> >> > >> >> > % echo "echo test" | at reboot + 90 minutes > >> >> > Job 20 will be executed using /bin/sh > >> >> > >> >> > % atq > >> >> > Date Owner Queue Job# > >> >> > REBOOT dchapes c 19 > >> >> > REBOOT+01:30:00 dchapes c 20 > >> >> > >> >> what if a user rebooted the box, before this REBOOT+1:30:00 has been > >> >> occured? will it be discarded or what? > >> >> > >> >> > $ date; /usr/libexec/atrun -b > >> >> > >> >> > % atq -v > >> >> > Date Owner Queue Job# > >> >> > 22:34:00 07/26/01 dchapes c 20 > >> >> > 21:04:00 07/26/01 dchapes c(done) 19 > >> >> > >> >> -- > >> >> Igor mailto:poige@morning.ru > >> >> > >> >> > >> >> > >> > >> > >> > To Unsubscribe: send mail to majordomo@FreeBSD.org > >> > with "unsubscribe freebsd-hackers" in the body of the message > >> > >> > >> > >> -- > >> Igor mailto:poige@morning.ru > >> > >> > >> > > > > -- > Igor mailto:poige@morning.ru > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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