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Article View: comp.protocols.time.ntp
Article #823

Re: more info requested on dosynctodr

#823
From: W. Richard Stevens
Date: Sun, 03 Jan 1993 18:05
20 lines
1574 bytes
> Just wondering if anyone can give any additional information on
> just what the "dosynctodr" kernel flag does in SunOS, and why
> it should be set to 0.

OK, I can answer some of my own question after finding the code in
ntp_util.c that handles this case.  BUT, the code says that setting
synctodr to 0 is not what you want (as a reboot will start off with
a wacky time), but the tickadj(8) man pages says you should set it
to 0 for SunOS 4.0.  Also, the distributed Config.sun file does not
set DOSYNCTODR_SUCKS, which goes against the source code comments.
I'm confused as to how I should set it, both in the Config file and
using tickadj.

Lastly, the man page doesn't say so, but I assume that Sun's settimeofday(2)
system call is what syncs the battery clock to its argument?  [Don't you
love the BUGS section of Sun's gettimeofday(2) man page saying there should
be some way to set the time for a set of systems to millisecond accuracy ...
I wonder if Solaris 2.1 includes NTP :-) ]

	Rich Stevens  (rstevens@noao.edu)
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From: rstevens@noao.edu (W. Richard Stevens)
Subject: Re: more info requested on dosynctodr
Message-ID: <1993Jan3.180546.15803@noao.edu>
Keywords: xntp3, dosynctodr
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Organization: National Optical Astronomy Observatories, Tucson, AZ, USA
References: <1993Jan3.151913.12953@noao.edu>
Date: Sun, 3 Jan 1993 18:05:46 GMT
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