10000 gh-111924: Fix data races when swapping allocators by colesbury · Pull Request #130287 · python/cpython · GitHub
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gh-111924: Fix data races when swapping allocators #130287

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Merged
merged 3 commits into from
Feb 20, 2025
Merged

gh-111924: Fix data races when swapping allocators #130287

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e435f5d
gh-111924: Fix data races when swapping allocators
colesbury Feb 18, 2025
64bf28c
Reorder header
colesbury Feb 18, 2025
1771d74
Remove _PyMem_SetDefaultAllocator
colesbury Feb 20, 2025
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Reorder header
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@colesbury
colesbury committed Feb 18, 2025
commit 64bf28cf487c3febec776c998f0a9299880cd1a5
13 changes: 7 additions & 6 deletions Include/internal/pycore_pymem.h
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Expand Up @@ -113,6 +113,13 @@ extern int _PyMem_GetAllocatorName(
PYMEM_ALLOCATOR_NOT_SET does nothing. */
extern int _PyMem_SetupAllocators(PyMemAllocatorName allocator);

// Default raw memory allocator that is not affected by PyMem_SetAllocator()
extern void *_PyMem_DefaultRawMalloc(size_t);
extern void *_PyMem_DefaultRawCalloc(size_t, size_t);
extern void *_PyMem_DefaultRawRealloc(void *, size_t);
extern void _PyMem_DefaultRawFree(void *);
extern wchar_t *_PyMem_DefaultRawWcsdup(const wchar_t *str);

/* Is the debug allocator enabled? */
extern int _PyMem_DebugEnabled(void);

Expand All @@ -132,12 +139,6 @@ static inline void _PyObject_XDecRefDelayed(PyObject *obj)
// Periodically process delayed free requests.
extern void _PyMem_ProcessDelayed(PyThreadState *tstate);

extern void * _PyMem_DefaultRawMalloc(size_t);
extern void * _PyMem_DefaultRawCalloc(size_t, size_t);
extern void * _PyMem_DefaultRawRealloc(void *, size_t);
extern void _PyMem_DefaultRawFree(void *);
extern wchar_t * _PyMem_DefaultRawWcsdup(const wchar_t *str);

// Periodically process delayed free requests when the world is stopped.
// Notify of any objects whic should be freeed.
typedef void (*delayed_dealloc_cb)(PyObject *, void *);
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