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From: Simon Wright <simon@pushface.org>
Subject: Re: Inserting Calendar.Time in a database
Date: 08 Aug 2004 12:03:34 +0100
Date: 2004-08-08T12:03:34+01:00	[thread overview]
Message-ID: <x7v1xihx56h.fsf@smaug.pushface.org> (raw)
In-Reply-To: cf4ojq$p4$1@hercules.btinternet.com

"Martin Dowie" <martin.dowie@btopenworld.com> writes:

> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message
> news:13x45njobjvn3.yhisk87dws3.dlg@40tude.net...

> > But seriously, there are requirements on time stamps Ada.Calendar.Time
> does
> > not meet:
> >
> > 1. Not monotonic
> 
> It can be monotonic. I'd be a little surprised if it wasn't on
> implementations that also provided Ada.Real_Time but I'm sure
> someone will now point to examples where this isn't true ;-)

Under VxWorks, certainly for GNAT <= 5.02, Ada.Real_Time.Time is
identical to Ada.Calendar.Time (calls clock_gettime()), and you can
alter Ada.Calendar.Time using clock_settime().

So what to do if you need to synchronize your clocks over a
distributed system? (you understand, this is the problem we had to
solve, not a request for help!)

-- 
Simon Wright                               100% Ada, no bugs.



  reply	other threads:[~2004-08-08 11:03 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-05 13:44 Inserting Calendar.Time in a database Jano
2004-08-05 15:21 ` Dmitry A. Kazakov
2004-08-05 21:19   ` Martin Dowie
2004-08-06  6:31     ` Jano
2004-08-06 11:32       ` Peter Hermann
2004-08-06 11:40         ` Duncan Sands
2004-08-08 11:10           ` Jano
2004-08-06  7:48     ` Dmitry A. Kazakov
2004-08-06  9:28       ` Martin Dowie
2004-08-06 10:44         ` Dmitry A. Kazakov
2004-08-07  9:50           ` Martin Dowie
2004-08-07 20:32             ` Dmitry A. Kazakov
2004-08-08  8:35               ` Martin Dowie
2004-08-08 11:03                 ` Simon Wright [this message]
2004-08-09  7:46                 ` Dmitry A. Kazakov
2004-08-09 17:54                   ` Nick Roberts
2004-08-10  7:33                     ` Dmitry A. Kazakov
2004-08-10  8:36                     ` John B. Matthews
2004-08-10 18:51                       ` Nick Roberts
2004-08-11  1:14                         ` John B. Matthews
2004-08-19  4:10                         ` Jano
2004-08-19  4:10                       ` Jano
2004-08-09 11:52                 ` Frank J. Lhota
2004-08-08 10:46       ` Simon Wright
2004-08-09  8:02         ` Dmitry A. Kazakov
2004-08-24 19:25       ` Randy Brukardt
2004-08-25  7:24         ` Dmitry A. Kazakov
2004-08-25  8:18           ` Martin Dowie
2004-08-25  9:25             ` Dmitry A. Kazakov
2004-08-25  9:42               ` Martin Dowie
2004-08-26  5:26               ` Simon Wright
2004-08-26  0:49           ` Randy Brukardt
2004-08-26  9:30             ` Dmitry A. Kazakov
2004-08-26 10:11               ` Martin Dowie
2004-08-26 10:58                 ` Dmitry A. Kazakov
2004-08-26 12:32                   ` Martin Dowie
2004-08-26 16:26                     ` Dmitry A. Kazakov
2004-08-26 17:23                       ` Martin Dowie
2004-08-26 18:55               ` Randy Brukardt
2004-08-26 20:04                 ` Dmitry A. Kazakov
2004-08-26  5:22           ` Simon Wright
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