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e3ad6ca56f
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.
103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
#ifndef Py_INTERNAL_PYMEM_INIT_H
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#define Py_INTERNAL_PYMEM_INIT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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/********************************/
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/* the allocators' initializers */
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extern void * _PyMem_RawMalloc(void *, size_t);
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extern void * _PyMem_RawCalloc(void *, size_t, size_t);
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extern void * _PyMem_RawRealloc(void *, void *, size_t);
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extern void _PyMem_RawFree(void *, void *);
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#define PYRAW_ALLOC {NULL, _PyMem_RawMalloc, _PyMem_RawCalloc, _PyMem_RawRealloc, _PyMem_RawFree}
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#ifdef Py_GIL_DISABLED
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// Py_GIL_DISABLED requires mimalloc
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extern void* _PyObject_MiMalloc(void *, size_t);
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extern void* _PyObject_MiCalloc(void *, size_t, size_t);
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extern void _PyObject_MiFree(void *, void *);
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extern void* _PyObject_MiRealloc(void *, void *, size_t);
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# define PYOBJ_ALLOC {NULL, _PyObject_MiMalloc, _PyObject_MiCalloc, _PyObject_MiRealloc, _PyObject_MiFree}
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extern void* _PyMem_MiMalloc(void *, size_t);
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extern void* _PyMem_MiCalloc(void *, size_t, size_t);
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extern void _PyMem_MiFree(void *, void *);
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extern void* _PyMem_MiRealloc(void *, void *, size_t);
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# define PYMEM_ALLOC {NULL, _PyMem_MiMalloc, _PyMem_MiCalloc, _PyMem_MiRealloc, _PyMem_MiFree}
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#elif defined(WITH_PYMALLOC)
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extern void* _PyObject_Malloc(void *, size_t);
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extern void* _PyObject_Calloc(void *, size_t, size_t);
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extern void _PyObject_Free(void *, void *);
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extern void* _PyObject_Realloc(void *, void *, size_t);
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# define PYOBJ_ALLOC {NULL, _PyObject_Malloc, _PyObject_Calloc, _PyObject_Realloc, _PyObject_Free}
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# define PYMEM_ALLOC PYOBJ_ALLOC
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#else
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# define PYOBJ_ALLOC PYRAW_ALLOC
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# define PYMEM_ALLOC PYOBJ_ALLOC
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#endif // WITH_PYMALLOC
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extern void* _PyMem_DebugRawMalloc(void *, size_t);
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extern void* _PyMem_DebugRawCalloc(void *, size_t, size_t);
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extern void* _PyMem_DebugRawRealloc(void *, void *, size_t);
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extern void _PyMem_DebugRawFree(void *, void *);
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extern void* _PyMem_DebugMalloc(void *, size_t);
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extern void* _PyMem_DebugCalloc(void *, size_t, size_t);
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extern void* _PyMem_DebugRealloc(void *, void *, size_t);
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extern void _PyMem_DebugFree(void *, void *);
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#define PYDBGRAW_ALLOC(runtime) \
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{&(runtime).allocators.debug.raw, _PyMem_DebugRawMalloc, _PyMem_DebugRawCalloc, _PyMem_DebugRawRealloc, _PyMem_DebugRawFree}
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#define PYDBGMEM_ALLOC(runtime) \
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{&(runtime).allocators.debug.mem, _PyMem_DebugMalloc, _PyMem_DebugCalloc, _PyMem_DebugRealloc, _PyMem_DebugFree}
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#define PYDBGOBJ_ALLOC(runtime) \
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{&(runtime).allocators.debug.obj, _PyMem_DebugMalloc, _PyMem_DebugCalloc, _PyMem_DebugRealloc, _PyMem_DebugFree}
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extern void * _PyMem_ArenaAlloc(void *, size_t);
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extern void _PyMem_ArenaFree(void *, void *, size_t);
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#ifdef Py_DEBUG
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# define _pymem_allocators_standard_INIT(runtime) \
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{ \
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PYDBGRAW_ALLOC(runtime), \
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PYDBGMEM_ALLOC(runtime), \
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PYDBGOBJ_ALLOC(runtime), \
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}
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# define _pymem_is_debug_enabled_INIT 1
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#else
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# define _pymem_allocators_standard_INIT(runtime) \
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{ \
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PYRAW_ALLOC, \
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PYMEM_ALLOC, \
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PYOBJ_ALLOC, \
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}
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# define _pymem_is_debug_enabled_INIT 0
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#endif
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#define _pymem_allocators_debug_INIT \
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{ \
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{'r', PYRAW_ALLOC}, \
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{'m', PYMEM_ALLOC}, \
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{'o', PYOBJ_ALLOC}, \
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}
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# define _pymem_allocators_obj_arena_INIT \
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{ NULL, _PyMem_ArenaAlloc, _PyMem_ArenaFree }
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#define _Py_mem_free_queue_INIT(queue) \
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{ \
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.head = LLIST_INIT(queue.head), \
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // !Py_INTERNAL_PYMEM_INIT_H
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