setitimer, getitimer() in rtems?

[Joel Sherrill]

Gene Smith wrote:
> Joel Sherrill wrote:
>   
>> Gene Smith wrote:
>>     
>>> Porting in some code that runs on linux, my last undefined link items
>>> are setitimer and getitimer. I can't seem to find them in rtems (4.8.0)
>>> except in the sys/time.h include file so it compiles. Saw some reference
>>> to them in old mailing list threads that implied (or said?) that you
>>> have to implement them using rtems native timer calls. Is this right?
>>>
>>>
>>>       
>> Since they use POSIX signals, you would implement them
>> in the POSIX API (cpukit/posix) and implement them in terms
>> of SuperCore timers.
>>
>> Why do you need these? And which of the three types
>> (ITIMER_REAL, ITIMER_VIRTUAL, or ITIMER_PROF) do
>> you want/need?
>>     
>
> Why: The function is in some existing 3rd party code I need to use for
> the project.
> Which: Actually, the code only calls setitimer with parameter ITIMER_REAL.
>
>   
Good. That's what I expected. :-D
> Right now I am using rtems_timer_fire_after() with a callback function
> to do a similar thing.
>
>
>   
It's certainly the more direct thing to do in RTEMS.  The main
difference is that their method is being called in an ISR rather
than as a signal handler. 

If you want these implemented, I can put together an estimate
for you. 
>>> Thanks,
>>> -gene
>>>
>>> _______________________________________________
>>> rtems-users mailing list
>>> rtems-users at rtems.com
>>> http://rtems.rtems.org/mailman/listinfo/rtems-users
>>>
>>>       
>>     
>
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>   


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Joel Sherrill, Ph.D.             Director of Research & Development
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