What is RTEMS epoch ?

[Jack Cawkwell]

Does using ACE wrappers mean that you don't have to worry about this?

Jack

Joel Sherrill <joel.sherrill at oarcorp.com> writes:
>
>
>Paul Whitfield wrote:
>> 
>> Dhiraj Gaurh wrote:
>> 
>> > Hi,
>> >  Thanks for your reply. When you wrote "Note Jan 1, 1970" , did you
>mean
>> > "NOT Jan 1, 1970" , or did you mean it could also be Jan 1, 1970, if
>so
>> > configured. Thanks for your patience.
>> 
>> NOT Jan 1, 1970.
>> 
>> (Which is the epoch on Unix and Linux systems)
>> 
>> Sorry about that....
>
>It is a confusing issue.  Internally RTEMS keeps time based upon the
>epoch of Jan 1, 1988.  The Classic API services also use the epoch.
>
>The RTEMS POSIX time services, on the other hand, do use the Jan 1,
>1970 epoch but will reject attempts to set the date/time to anything
>before the 1988 epoch.
>
>And you haven't even begun to worry about when these time
>representations
>overflow. :)
>
>-- 
>Joel Sherrill, Ph.D.             Director of Research & Development
>joel at OARcorp.com                 On-Line Applications Research
>Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>Support Available                (256) 722-9985
>