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gh-103743: Add PyUnstable_Object_GC_NewWithExtraData #103744

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Merged
encukou merged 9 commits into from
May 2, 2023
Merged

gh-103743: Add PyUnstable_Object_GC_NewWithExtraData #103744

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gh-103743: Add PyUnstable_Object_GC_NewWithExtraData (#103743)
jbradaric Apr 24, 2023
14975c0
Merge branch 'main' into jbradaric/obj-new-with-extra-data
ambv Apr 25, 2023
52135dc
Don't suggest PEP 697 will be a solution
encukou Apr 27, 2023
e2c4b37
Move declaration to Include/cpython
encukou Apr 27, 2023
ea9e9ac
Style nitpicks
encukou Apr 27, 2023
f9817ca
Clarify the docs a bit
encukou Apr 27, 2023
f0098d6
Convert the test class to a heap type
encukou Apr 28, 2023
cfa59d7
Initialize the memory
encukou Apr 28, 2023
525705a
Doc style fixes
jbradaric Apr 29, 2023
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Clarify the docs a bit
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@encukou
encukou committed Apr 28, 2023
commit f9817ca9a652e55f47319f97f37e5d4a4b258e0f
8 changes: 6 additions & 2 deletions Doc/c-api/gcsupport.rst
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Expand Up @@ -67,8 +67,12 @@ rules:

.. c:function:: PyObject* PyUnstable_Object_GC_NewWithExtraData(PyTypeObject *type, size_t extra_size)

Analogous to :c:func:`PyObject_GC_New` but for container objects that
have additional data at the end of the object not managed by Python.
Analogous to :c:func:`PyObject_GC_New` but allocates *extra_size*
bytes at the end of the object (at offset
:c:member:`~PyTypeObject.tp_basicsize`).

The extra data will be deallocated with the object, but otherwise it is
not managed by Python.

.. warning::
The function is marked as unstable because the final mechanism
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