Re: Looking for "Hello world"

[Darren Hart <dvhltc@us.ibm.com>]

On Monday 04 December 2006 07:24, Vucsics Krisztian wrote:
> Hello Everybody,
>
> I've checked the RT_PREEMPT_HOWTO but there is no "Hello World" example
> at the moment. I don't know, whether and how it is possible to send
> something via the serial port exactly scheduled, "without changing the
> given programming APIs". I would like to send at least a single 'H' :-)
> to a given serial port, precisely scheduled.
>
> Could you please send me an example for that?

Also, if you are looking for code examples, I suggest taking a look at the 
numerous test cases provided here (linked off the wiki):

http://www.kernel.org/pub/linux/kernel/people/dvhart/realtime/tests/

These tests use a simple pthread/realtime wrapper called librt.h.  You will 
find numerous uses of clock_gettime() and clock_nanosleep() as well as the 
pthread_cond_* routines.

>
> Thank you in advance,
> Krisztian
>
>
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-- 
Darren Hart
IBM Linux Technology Center
Realtime Linux Team