On 2020-01-30 7:02 AM, Tom Van Baak wrote:
Hal,
I see some good comments; did you get the answer you wanted? My take:
> Does anybody know of a good writeup of how to fix POSIX to know
about leap seconds
> and/or why POSIX hasn't done anything about it yet?
No write-up. No fix. It's not
On Sat, Feb 1, 2020 at 3:39 PM Brooks Harris wrote:
>
> (As I understand it time_t is deprecated and replaced by struct timespec
> in modern POSIX systems. This does not eliminate the leap-second
> difficulty.)
>
Kinda sorta... the timespec struct has a time_t inside of it.
> The leap-second
Tried to send this a few days ago, but it never showed up on the list. Steve
has provided gritty details since.
Since roughly the second world war, the distinction between time-of-day and
interval-time has become increasingly clear. But the history of this
distinction goes back at least as far
On 2020-02-01 3:01 AM, Hal Murray wrote:
t...@leapsecond.com said:
I see some good comments; did you get the answer you wanted?
Nothing off list, so you have seen everything that I saw.
I was hoping that there would be a good white paper or blog that discussed all
the possibilities that have
On Sat, Feb 1, 2020 at 12:01 AM Hal Murray wrote:
> Has anybody considered having time_t and the kernel keep smeared time?
>
> The idea is that you can convert from smeared time to TAI or UTC with leaps.
> So a few new library routines should be enough for the few people who care
> about leap
Warner Losh wrote:
> But the problem with time_t are legend. I should do a talk that
> lists them all.
Here is, I think, the fundamental one, as I like to describe it.
As Clive Feather observed years ago,
There are three desirable properties for time:
(1) A day is always 86400
On Sat 2020-02-01T00:01:22-0800 Hal Murray hath writ:
> I was hoping that there would be a good white paper or blog that discussed all
> the possibilities that have been considered and explained why they were
> rejected.
That cannot happen because of the other factor that has been in the
politics
On Sat, Feb 1, 2020 at 10:57 PM Seaman, Robert Lewis - (rseaman) <
rsea...@email.arizona.edu> wrote:
> Tried to send this a few days ago, but it never showed up on the list.
> Steve has provided gritty details since.
>
>
>
> Since roughly the second world war, the distinction between time-of-day
On Sun 2020-02-02T00:33:08+0100 Warner Losh hath writ:
> It's the fact that things like filesystems
> specify an elapsed time since an epoch in a time scale without leap
> seconds. Every FAT or NTFS disk around has a time like this.
Beginning 2018-06-01 the value of Microsoft Windows FILETIME
On 2020-02-01 9:39 AM, Brooks Harris wrote:
On 2020-01-30 7:02 AM, Tom Van Baak wrote:
Hal,
I see some good comments; did you get the answer you wanted? My take:
> Does anybody know of a good writeup of how to fix POSIX to know
about leap seconds
> and/or why POSIX hasn't done anything
t...@leapsecond.com said:
> I see some good comments; did you get the answer you wanted?
Nothing off list, so you have seen everything that I saw.
I was hoping that there would be a good white paper or blog that discussed all
the possibilities that have been considered and explained why they
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