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gh-113055: Use pointer for interp->obmalloc state (gh-113412)

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For interpreters that share state with the main interpreter, this points
to the same static memory structure.  For interpreters with their own
obmalloc state, it is heap allocated.  Add free_obmalloc_arenas() which
will free the obmalloc arenas and radix tree structures for interpreters
with their own obmalloc state.

Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
This commit is contained in:
Neil Schemenauer 2024-01-26 19:38:14 -08:00 • committed by GitHub
parent 2d08af34b8
commit 7a7bce5a0a
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9 changed files with 157 additions and 24 deletions
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Include/internal/pycore_obmalloc.h
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@ -686,6 +686,8 @@ extern Py_ssize_t _Py_GetGlobalAllocatedBlocks(void);
_Py_GetGlobalAllocatedBlocks()
extern Py_ssize_t _PyInterpreterState_GetAllocatedBlocks(PyInterpreterState *);
extern void _PyInterpreterState_FinalizeAllocatedBlocks(PyInterpreterState *);
extern int _PyMem_init_obmalloc(PyInterpreterState *interp);
extern bool _PyMem_obmalloc_state_on_heap(PyInterpreterState *interp);
#ifdef WITH_PYMALLOC