On Wed, Apr 1, 2015 at 2:42 PM, Sebastian Huber
<sebastian.hu...@embedded-brains.de> wrote:
>
> ----- Joel Sherrill <joel.sherr...@oarcorp.com> schrieb:
>>
>>
>> On 4/1/2015 9:18 AM, Gedare Bloom wrote:
>> > Would you then subtract 1 from uptime when reporting it? Or would
>> > users be expected to know that uptime is off-by-1?
>> I would prefer we subtract one when reporting to the user.
>
> The question is reporting via which API.  We have the RTEMS and POSIX APIs 
> and the FreeBSD kernel APIs.  So the consensus is to report uptimes relative 
> to zero for the RTEMS and POSIX APIs and relative to one second for the 
> FreeBSD kernel APIs?
>
Yes I think so. We don't really want to change the expected behavior
of existing APIs just to comply with FreeBSDs.

>> > On Wed, Apr 1, 2015 at 4:07 AM, Alexander Krutwig
>> > <alexander.krut...@embedded-brains.de> wrote:
>> >> Hello,
>> >>
>> >> during my work with FreeBSD timecounters, I found out that the FreeBSD
>> >> timecounters start with an uptime value of 1 second. Developers of FreeBSD
>> >> told me that this is due to problems in the ARP code.
>> >> RTEMS uptime is initialized to an uptime value to 0 seconds.
>> >> Are there any problems if the configuration of the RTEMS uptime is also
>> >> initialized to 1 second for synchonization? Else, we would have different
>> >> values for different API functions which is the second option.
>> >>
>> >> Best regards,
>> >> Alexander Krutwig
>> >>
>> >> --
>> >> --------------------------------------------
>> >> embedded brains GmbH
>> >> Alexander Krutwig
>> >> Dornierstr. 4
>> >> D-82178 Puchheim
>> >> Germany
>> >> email: alexander.krut...@embedded-brains.de
>> >> Phone: +49-89-18 94 741 - 17
>> >> Fax:   +49-89-18 94 741 - 09
>> >> PGP: Public key available on request.
>> >>
>> >> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>> >>
>> >> _______________________________________________
>> >> devel mailing list
>> >> devel@rtems.org
>> >> http://lists.rtems.org/mailman/listinfo/devel
>> > _______________________________________________
>> > users mailing list
>> > us...@rtems.org
>> > http://lists.rtems.org/mailman/listinfo/users
>>
>> --
>> Joel Sherrill, Ph.D.             Director of Research & Development
>> joel.sherr...@oarcorp.com        On-Line Applications Research
>> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>> Support Available                (256) 722-9985
>>
>> _______________________________________________
>> devel mailing list
>> devel@rtems.org
>> http://lists.rtems.org/mailman/listinfo/devel
_______________________________________________
devel mailing list
devel@rtems.org
http://lists.rtems.org/mailman/listinfo/devel

Reply via email to