Change RTEMS GCC Thread model to POSIX.

[Ralf Corsepius]

On 08/12/2013 11:41 PM, Chris Johns wrote:
> Joel Sherrill wrote:
>> On 8/12/2013 8:41 AM, Gedare Bloom wrote:
>>> Is anything lost by going to POSIX threads in GCC?
>> Maintaining our own specific glue? :)
>
> Yes. The threading support in gcc is designed around POSIX and when
> enabled gcc directly accesses the calls. No extra overhead calling an
> RTEMS wrapper.
This isn't a GCC issue.

The overhead I am referring to is (was?) in RTEMS: Basically everything, 
which is conditionally built with --enable-posix in RTEMS.

Ralf