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GH-138355: Remove trash_delete_later from _gc_runtime_state (#138767)

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Remove trash_delete_later and trash_delete_nesting from _gc_runtime_state.
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Sergey Miryanov 2025-09-17 13:25:24 -07:00 • committed by GitHub
parent d873fb42f3
commit b42af37ced
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3 changed files with 7 additions and 8 deletions
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5
Include/cpython/pystate.h
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@ -157,6 +157,11 @@ struct _ts {
*/ */
unsigned long native_thread_id; unsigned long native_thread_id;
/* List of objects that still need to be cleaned up, singly linked
* via their gc headers' gc_next pointers. The list is populated by
* _PyTrash_thread_deposit_object and cleaned up by
* _PyTrash_thread_destroy_chain.
*/
PyObject *delete_later; PyObject *delete_later;
/* Tagged pointer to top-most critical section, or zero if there is no /* Tagged pointer to top-most critical section, or zero if there is no

6
Include/internal/pycore_interp_structs.h
View file

@ -203,12 +203,6 @@ enum _GCPhase {
#define NUM_GENERATIONS 3 #define NUM_GENERATIONS 3
struct _gc_runtime_state { struct _gc_runtime_state {
/* List of objects that still need to be cleaned up, singly linked
* via their gc headers' gc_prev pointers. */
PyObject *trash_delete_later;
/* Current call-stack depth of tp_dealloc calls. */
int trash_delete_nesting;
/* Is automatic collection enabled? */ /* Is automatic collection enabled? */
int enabled; int enabled;
int debug; int debug;

4
Objects/object.c
View file

@ -3051,7 +3051,7 @@ Py_ReprLeave(PyObject *obj)
/* Trashcan support. */ /* Trashcan support. */
/* Add op to the gcstate->trash_delete_later list. Called when the current /* Add op to the tstate->delete_later list. Called when the current
* call-stack depth gets large. op must be a gc'ed object, with refcount 0. * call-stack depth gets large. op must be a gc'ed object, with refcount 0.
* Py_DECREF must already have been called on it. * Py_DECREF must already have been called on it.
*/ */
@ -3077,7 +3077,7 @@ _PyTrash_thread_deposit_object(PyThreadState *tstate, PyObject *op)
tstate->delete_later = op; tstate->delete_later = op;
} }
/* Deallocate all the objects in the gcstate->trash_delete_later list. /* Deallocate all the objects in the tstate->delete_later list.
* Called when the call-stack unwinds again. */ * Called when the call-stack unwinds again. */
void void
_PyTrash_thread_destroy_chain(PyThreadState *tstate) _PyTrash_thread_destroy_chain(PyThreadState *tstate)