[Info-vax] Uptime for OpenVMS

[Johnny Billquist]

On 2011-05-11 11.20, Michael Moroney wrote:
> Johnny Billquist<bqt at softjar.se>  writes:
>
>> On 2011-05-11 10.56, JF Mezei wrote:
>>> Is this due to a 32 bit limitation in DCL that would not allow a
>>> delta-time greater than 32 bits ?
>
>> If the above is literally what you wrote, then it could also be the
>> inability to parse "17=NOV-1858" as a valid date. :-D
>
> Ignoring/fixing the typo, DCL has always had a delta time limition of
> 9999 days max.  I don't know why that is.
>
> $ $START = "25-DEC-1983 01:00:00"
> $ $write sys$output f$delta_time(start,end)
> 9999 12:10:35.21
> $ $START = "24-DEC-1983 01:00:00"
> $ $write sys$output f$delta_time(start,end)
> %SYSTEM-F-IVTIME, invalid time

I know that the 9999 day limit for delta times are documented somewhere, 
and it is not DCL specific. Not sure if that is just when formatting 
though, or if the limit somehow also applies in general.

Thanks for reminding me. :-)

	Johnny