Messages in this thread |  | | Date | Tue, 1 Jun 1999 14:48:33 +1000 | | From | Richard Gooch <> | | Subject | Re: How can Emacs get a unique ID per Linux reboot? |
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H. Peter Anvin writes: > Followup to: <199906010238.TAA18495@shade.twinsun.com> > By author: Paul Eggert <eggert@twinsun.com> > In newsgroup: linux.dev.kernel > > > > For most operating systems, BOOTID is the timestamp of the last > > reboot. For example, if I edit FOO on Solaris 7, Emacs might create a > > symbolic link from .#FOO to eggert@shade.twinsun.com.18323:924306205, > > since shade.twinsun.com was last rebooted 924306205 seconds after > > 1970-01-01 00:00:00 UTC. > > > > Unfortunately, RMS and I haven't been able to discover a documented, > > guaranteed, and fast way to get a unique reboot ID for Linux. > > > > Get the current uptime from /proc/uptime and subtract that from the > current time.
Won't that foul up if the system is suspended (system clock is restored from hwclock on resume)? And probably also when settimeofday() is called?
Regards,
Richard....
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