Apr 28, 2025 · Mar 12, 2025 · Mar 13, 2025 · Mar 13, 2025 · Mar 14, 2025 · Mar 14, 2025
diff --git a/Include/internal/pycore_typeobject.h b/Include/internal/pycore_typeobject.h
 #define _Py_TYPE_BASE_VERSION_TAG (2<<16)
 #define _Py_MAX_GLOBAL_TYPE_VERSION_TAG (_Py_TYPE_BASE_VERSION_TAG - 1)


 /* runtime lifecycle */

 extern PyStatus _PyTypes_InitTypes(PyInterpreterState *);
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
 // modifying these, in order to avoid data races.
 #define TYPE_LOCK &PyInterpreterState_Get()->types.mutex

 #ifdef Py_DEBUG
 // Used to check for correct use of the TYPE_LOCK mutex.  It is a simple
 // mutex and does not support re-entrancy.  If we already hold the lock and
 // try to acquire it again with the same thread, it is a bug on the code.
 #define TYPE_LOCK_TID &PyInterpreterState_Get()->types.mutex_tid
 #endif

 static bool
 types_world_is_stopped(void)
    assert(!types_world_is_stopped());
 }

 #ifdef Py_DEBUG
 static bool
 types_mutex_is_owned(void)
 {
    PyThread_ident_t tid = PyThread_get_thread_ident_ex();
    return _Py_atomic_load_ullong_relaxed(TYPE_LOCK_TID) == tid;
 }
 #endif

 static void
 types_mutex_set_owned(PyThread_ident_t tid)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -32,6 +32,7 @@ extern "C" {
		#define _Py_TYPE_BASE_VERSION_TAG (2<<16)
		#define _Py_MAX_GLOBAL_TYPE_VERSION_TAG (_Py_TYPE_BASE_VERSION_TAG - 1)


		/* runtime lifecycle */

		extern PyStatus _PyTypes_InitTypes(PyInterpreterState *);
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -72,12 +72,10 @@ class object "PyObject *" "&PyBaseObject_Type"
		// modifying these, in order to avoid data races.
		#define TYPE_LOCK &PyInterpreterState_Get()->types.mutex

		#ifdef Py_DEBUG
		// Used to check for correct use of the TYPE_LOCK mutex. It is a simple
		// mutex and does not support re-entrancy. If we already hold the lock and
		// try to acquire it again with the same thread, it is a bug on the code.
		#define TYPE_LOCK_TID &PyInterpreterState_Get()->types.mutex_tid
		#endif

		static bool
		types_world_is_stopped(void)
Expand DownExpand Up		@@ -110,12 +108,14 @@ types_start_world(void)
		assert(!types_world_is_stopped());
		}

		#ifdef Py_DEBUG
		static bool
		types_mutex_is_owned(void)
		{
		PyThread_ident_t tid = PyThread_get_thread_ident_ex();
		return _Py_atomic_load_ullong_relaxed(TYPE_LOCK_TID) == tid;
		}
		#endif

		static void
		types_mutex_set_owned(PyThread_ident_t tid)
Expand Down