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Add a clarification for the object-domain allocators regarding pointer validity (GH-24253)

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Pablo Galindo 2021-01-19 13:09:06 +00:00 • committed by GitHub
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Doc/c-api/memory.rst
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@ -304,6 +304,12 @@ The following function sets, modeled after the ANSI C standard, but specifying
behavior when requesting zero bytes, are available for allocating and releasing
memory from the Python heap.
.. note::
There is no guarantee that the memory returned by these allocators can be
succesfully casted to a Python object when intercepting the allocating
functions in this domain by the methods described in
the :ref:`Customize Memory Allocators <customize-memory-allocators>` section.
The :ref:`default object allocator <default-memory-allocators>` uses the
:ref:`pymalloc memory allocator <pymalloc>`.
@ -385,6 +391,7 @@ Legend:
* ``pymalloc``: :ref:`pymalloc memory allocator <pymalloc>`
* "+ debug": with debug hooks installed by :c:func:`PyMem_SetupDebugHooks`
.. _customize-memory-allocators:
Customize Memory Allocators
===========================