Paul Sokolovsky d3b1f0b627 py/runtime: mp_stack_ctrl_init() should be called immediately on startup. ...

Calling it from mp_init() is too late for some ports (like Unix), and leads
to incomplete stack frame being captured, with following GC issues. So, now
each port should call mp_stack_ctrl_init() on its own, ASAP after startup,
and taking special precautions so it really was called before stack variables
get allocated (because if such variable with a pointer is missed, it may lead
to over-collecting (typical symptom is segfaulting)).

2016-01-29 02:13:42 +02:00

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