API's (was Re: How do you like RTEMS ?)

[Joel Sherrill]

Chris Caudle wrote:
> 
> Joel Sherrill wrote:
> > Seriously what we now call the Classic API is essentially pSOS+.
> ...
> > ...This all predates the POSIX threads standardization.
> 
> Speaking of Classic API and POSIX, what is the currently recommended API
> for starting new projects?

OAR does not make recommendations in this regard.  A certain class
of users will migrate to each API.  

And don't forget ITRON or the RTEK the automotive industry is
pushing.

> Is the POSIX API implemented fully enough to use that?

Yes.  There are still a couple of missing things (pipes 
and asynchronous IO comes to mind) but everything a traditional
RTOS API provides that is defined in POSIX is there.

> Does POSIX seem to have enough momentum that it will come to be
> considered the "standard" API for embedded use?

>From my personal perspective, I think this is the case for no other
reason than you can test a lot more on UNIX boxes.

> --
> Chris Caudle

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
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