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From: Rob Browning <rlb@defaultvalue.org>
Subject: Re: get-internal-real-time using times()
Date: Fri, 12 Sep 2003 14:25:29 -0500	[thread overview]
Message-ID: <87ekylu7va.fsf@raven.i.defaultvalue.org> (raw)
In-Reply-To: <87d6ein7fl.fsf@zip.com.au> (Kevin Ryde's message of "Wed, 03 Sep 2003 08:37:18 +1000")

Kevin Ryde <user42@zip.com.au> writes:

>         * stime.c (scm_get_internal_real_time, scm_your_base,
>         scm_init_stime): Use times() when available, for a genuine
>         real-time (unaffected by stime system time changes).
>
> The name "real-time" suggests to me something independent of the
> system date/time.  And since the return is clock ticks, times() would
> seem natural.  Unless there's a particular reason it isn't already so.

Presuming I understand what you're doing here (from a brief look), we
might want to be careful.  If the old semantics of
get-internal-real-time relied on ftime, then people may have written
code that depends on the fact that get-internal-real-time has been
returning wall-clock time, and in fact, when contrasted to
get-internal-run-time's description (and given familiarity with the
"times" distinctions), that might be a reasonable presumption.  Or did
I misunderstand?

-- 
Rob Browning
rlb @defaultvalue.org and @debian.org; previously @cs.utexas.edu
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592  F9A0 25C8 D377 8C7E 73A4


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  reply	other threads:[~2003-09-12 19:25 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 [this message]
2003-09-12 23:46   ` Kevin Ryde
2003-09-13  2:51     ` Rob Browning
2003-09-15 22:47       ` Kevin Ryde

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