Change RTEMS GCC Thread model to POSIX, take 2

[Chris Johns]

Sebastian Huber wrote:
>
> What is the error handling in case the C++ support cannot create a
> resource for example? Previously this was a fatal error.
>

The C++ code that uses the __gthread support I looked at [1] does not 
check for any errors. Maybe this question is better suited to the gcc or 
gcc's stdc++ lists.

Chris

[1] 
http://repo.or.cz/w/official-gcc.git/blob/caa62b4636bfed7193ef77027f56d34a62047b19:/libstdc%2B%2B-v3/src/c%2B%2B98/locale.cc#l209