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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.
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#ifndef Py_INTERNAL_TSTATE_H
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#define Py_INTERNAL_TSTATE_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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#include "pycore_brc.h" // struct _brc_thread_state
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#include "pycore_freelist.h" // struct _Py_freelist_state
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#include "pycore_mimalloc.h" // struct _mimalloc_thread_state
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#include "pycore_qsbr.h" // struct qsbr
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static inline void
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_PyThreadState_SetWhence(PyThreadState *tstate, int whence)
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{
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tstate->_whence = whence;
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}
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// Every PyThreadState is actually allocated as a _PyThreadStateImpl. The
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// PyThreadState fields are exposed as part of the C API, although most fields
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// are intended to be private. The _PyThreadStateImpl fields not exposed.
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typedef struct _PyThreadStateImpl {
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// semi-public fields are in PyThreadState.
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PyThreadState base;
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struct _qsbr_thread_state *qsbr; // only used by free-threaded build
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struct llist_node mem_free_queue; // delayed free queue
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#ifdef Py_GIL_DISABLED
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struct _gc_thread_state gc;
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struct _mimalloc_thread_state mimalloc;
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struct _Py_object_freelists freelists;
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struct _brc_thread_state brc;
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#endif
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} _PyThreadStateImpl;
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_TSTATE_H */
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