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py/modmicropython: Add stack_use, heap_lock and heap_unlock functions.

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micropython.stack_use() returns an integer being the number of bytes used
on the stack.

micropython.heap_lock() and heap_unlock() can be used to prevent the
memory manager from allocating anything on the heap.  Calls to these are
allowed to be nested.
This commit is contained in:
Damien George
2016-01-22 16:16:38 +00:00
parent 42a6364a31
commit df4ce930e3
2 changed files with 35 additions and 0 deletions
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7
py/qstrdefs.h
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@@ -432,6 +432,13 @@ Q(mem_peak)
#endif
Q(mem_info)
Q(qstr_info)
#if MICROPY_STACK_CHECK
Q(stack_use)
#endif
#endif
#if MICROPY_ENABLE_GC
Q(heap_lock)
Q(heap_unlock)
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && (MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0)