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gh-113743: Use per-interpreter locks for types (#115541)

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Move type-lock to per-interpreter lock to avoid heavy contention in interpreters test
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Dino Viehland 2024-02-15 16:28:31 -08:00 • committed by GitHub
parent bce693111b
commit 454d7963e3
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3 changed files with 5 additions and 4 deletions
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5
Objects/typeobject.c
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@ -60,17 +60,18 @@ class object "PyObject *" "&PyBaseObject_Type"
// in odd behaviors w.r.t. running with the GIL as the outer type lock could
// be released and reacquired during a subclass update if there's contention
// on the subclass lock.
#define TYPE_LOCK &PyInterpreterState_Get()->types.mutex
#define BEGIN_TYPE_LOCK() \
{ \
_PyCriticalSection _cs; \
_PyCriticalSection_Begin(&_cs, &_PyRuntime.types.type_mutex); \
_PyCriticalSection_Begin(&_cs, TYPE_LOCK); \
#define END_TYPE_LOCK() \
_PyCriticalSection_End(&_cs); \
}
#define ASSERT_TYPE_LOCK_HELD() \
_Py_CRITICAL_SECTION_ASSERT_MUTEX_LOCKED(&_PyRuntime.types.type_mutex)
_Py_CRITICAL_SECTION_ASSERT_MUTEX_LOCKED(TYPE_LOCK)
#else