On 26 November 2011 19:00, Jason Hellenthal <jh...@dataix.net> wrote: > On Sat, Nov 26, 2011 at 06:43:38AM +0100, Michael Ross wrote: >> Am 26.11.2011, 06:11 Uhr, schrieb Jason Hellenthal <jh...@dataix.net>: >> > On Fri, Nov 25, 2011 at 10:36:40PM +0100, Christian Kastner wrote: >> >> Hi, >> >> >> >> On 2011-11-25 08:02, Jason Hellenthal wrote: >> >> > So with that said... is there a way we could actually make this run >> >> @reboot only ? >> >> >> >> Debian's cron[0] and Fedora's cronie[1] have solved this by touching a >> >> file on first startup and running @reboot only when this file does not >> >> yet exist. >> >> >> >> Note that while [0] may point to other patches that might be of interest >> >> to FreeBSD, they are still WIP (as evident from the linked patch) as we >> >> are still in the process of quiltifying our current code base. >> >> >> > >> > While this sounds like a perfectly sane way to handle the problem at >> > hand this also introduces a need to write some cleanup code to take care >> > of the file semantics. I think comparing daemon start times to the time >> > a system was booted or similiar would alleviate the need for all that. >> > Maybe a flag for @reboot "-s <seconds>" seconds after boottime to allow >> > running @reboot jobs. And set the default to 3600 seconds. At least this >> > would allow adjustment for those startup processes that may take some >> > considerable time before multiuser mode is entered. >> > >> > Just some thought. >> > >> > I really don't think we need to go the route of using files to store >> > information when there is enough information available already via >> > syscall's. >> >> If system startup were to be unusually delayed (dhcp or nfs trouble eg), >> $time_period might have passed when cron starts, so there would have to be >> some notifying mechanism for @reboot jobs not being run, and operator >> action would be required. >> > > I agree but also disagree. 1 hour or 3600 seconds is plenty of time to wait > for the "@reboot" extension scripts to fire.
Yes, and if I restart cron 30 minutes after boot, I'm screwed. Chris _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
