[PATCH] prefer exit_group syscall to exit

[Carmelo AMOROSO]

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matthieu castet wrote:
> Hi,
> 
> using exit_group for exit and _exit function is needed for thread
> libraries using "kernel thread" (ie CLONE_THREAD).
> 
> This is needed for example for bionic port.
> 

Thia change is already available in the NPTL branch because
the new syscall is required when using NPTL, and this is guarded
by #ifdef __UCLIBC_HAS_THREADS_NATIVE__.

When *not* using NPTL, I don't think it is correct to change the semantic
of the exit C wrapper, at least I'm not sure... and bionic is not a pthread
library available within uClibc.

Cheers,
Carmelo

> 
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