Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-31 04:23:37 +00:00
Code Issues Projects Releases Packages Wiki Activity

GH-108362: Incremental Cycle GC (GH-116206)

Browse source
This commit is contained in:
Mark Shannon 2024-03-20 08:54:42 +00:00 • committed by GitHub
parent d5ebf8b71f
commit 15309329b6
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
14 changed files with 743 additions and 447 deletions
Download patch file Download diff file Expand all files Collapse all files

21
Objects/object.c
View file

@ -2401,6 +2401,27 @@ _Py_NewReferenceNoTotal(PyObject *op)
new_reference(op);
}
void
_Py_SetImmortalUntracked(PyObject *op)
{
#ifdef Py_GIL_DISABLED
op->ob_tid = _Py_UNOWNED_TID;
op->ob_ref_local = _Py_IMMORTAL_REFCNT_LOCAL;
op->ob_ref_shared = 0;
#else
op->ob_refcnt = _Py_IMMORTAL_REFCNT;
#endif
}
void
_Py_SetImmortal(PyObject *op)
{
if (PyObject_IS_GC(op) && _PyObject_GC_IS_TRACKED(op)) {
_PyObject_GC_UNTRACK(op);
}
_Py_SetImmortalUntracked(op);
}
void
_Py_ResurrectReference(PyObject *op)
{

5
Objects/structseq.c
View file

@ -603,6 +603,9 @@ _PyStructSequence_InitBuiltinWithFlags(PyInterpreterState *interp,
PyStructSequence_Desc *desc,
unsigned long tp_flags)
{
if (Py_TYPE(type) == NULL) {
Py_SET_TYPE(type, &PyType_Type);
}
Py_ssize_t n_unnamed_members;
Py_ssize_t n_members = count_members(desc, &n_unnamed_members);
PyMemberDef *members = NULL;
@ -618,7 +621,7 @@ _PyStructSequence_InitBuiltinWithFlags(PyInterpreterState *interp,
}
initialize_static_fields(type, desc, members, tp_flags);
_Py_SetImmortal(type);
_Py_SetImmortal((PyObject *)type);
}
#ifndef NDEBUG
else {