Confusion about possibly unsafe malloc_r?

[Freddie Chopin]

On Sun, 2017-06-25 at 10:22 -0400, Dave Nadler wrote:
> Could you point me at documentation (or sources) explaining how
> to implement "retargetable locks"?

"Retargetable locks" are a new feature, introduced at the beginning of
this year. You can see an example implementation in my C++ RTOS here:

https://github.com/DISTORTEC/distortos/blob/master/source/newlib/locking.cpp

Regards,
FCh