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gh-140544: use faster _PyInterpreterState_GET for type lock (#140584)

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Kumar Aditya 2025-10-25 20:23:26 +05:30 • committed by GitHub
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Objects/typeobject.c
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@ -72,7 +72,7 @@ class object "PyObject *" "&PyBaseObject_Type"
// the type has been revealed to other threads or we only do those updates
// while the stop-the-world mechanism is active. The slots and flags are read
// in many places without holding a lock and without atomics.
#define TYPE_LOCK &PyInterpreterState_Get()->types.mutex
#define TYPE_LOCK &_PyInterpreterState_GET()->types.mutex
#define BEGIN_TYPE_LOCK() Py_BEGIN_CRITICAL_SECTION_MUTEX(TYPE_LOCK)
#define END_TYPE_LOCK() Py_END_CRITICAL_SECTION()