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gh-115103: Implement delayed free mechanism for free-threaded builds (#115367)

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This adds `_PyMem_FreeDelayed()` and supporting functions. The
`_PyMem_FreeDelayed()` function frees memory with the same allocator as
`PyMem_Free()`, but after some delay to ensure that concurrent lock-free
readers have finished.
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Sam Gross 2024-02-20 13:04:37 -05:00 • committed by GitHub
parent d207c7cd5a
commit e3ad6ca56f
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5
Include/internal/pycore_pymem_init.h
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@ -92,6 +92,11 @@ extern void _PyMem_ArenaFree(void *, void *, size_t);
{ NULL, _PyMem_ArenaAlloc, _PyMem_ArenaFree }
#define _Py_mem_free_queue_INIT(queue) \
{ \
.head = LLIST_INIT(queue.head), \
}
#ifdef __cplusplus
}
#endif