From: Kevin Ryde <user42@zip.com.au>
Subject: Re: get-internal-real-time using times()
Date: Tue, 16 Sep 2003 08:47:37 +1000 [thread overview]
Message-ID: <87wuc9y8hi.fsf@zip.com.au> (raw)
In-Reply-To: <87oexpqu3t.fsf@raven.i.defaultvalue.org> (Rob Browning's message of "Fri, 12 Sep 2003 21:51:02 -0500")
Rob Browning <rlb@defaultvalue.org> writes:
>
> Hmm. You mean because of timezones
Timezones and daylight saving won't affect ftime on a unix system, but
might on DOS where the system time is local time.
> /leap-foo,
Not sure what normally happens for leap seconds. If the system time
is properly tied to UTC like srfi-19.scm assumes then I think for a
leap second 23:59:59 to 00:00:00 will take 2 seconds of real time. I
imagine only serious users would attempt to enforce that though.
> etc.?
Sudden changes with stime would be the main concern, gradual changes
with adjtime would be less of a worry but still not ideal.
> If so, good
> point. I'd say we need better docs, better functions, or both, and
> either way, a good NEWS entry.
Oh well, these sort of things always depend on the intended usage,
which is why I ask about the current theory. I'd certainly like to
tighten up the docs though.
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prev parent reply other threads:[~2003-09-15 22:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-02 22:37 get-internal-real-time using times() Kevin Ryde
2003-09-12 19:25 ` Rob Browning
2003-09-12 23:46 ` Kevin Ryde
2003-09-13 2:51 ` Rob Browning
2003-09-15 22:47 ` Kevin Ryde [this message]
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