diff options
Diffstat (limited to 'Include/internal/pycore_object.h')
| -rw-r--r-- | Include/internal/pycore_object.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Include/internal/pycore_object.h b/Include/internal/pycore_object.h index cafc02f..783d88c 100644 --- a/Include/internal/pycore_object.h +++ b/Include/internal/pycore_object.h @@ -14,6 +14,7 @@ extern "C" { #include "pycore_interp.h" // PyInterpreterState.gc #include "pycore_pyatomic_ft_wrappers.h" // FT_ATOMIC_STORE_PTR_RELAXED #include "pycore_pystate.h" // _PyInterpreterState_GET() +#include "pycore_stackref.h" #include "pycore_uniqueid.h" // _PyObject_ThreadIncrefSlow() // This value is added to `ob_ref_shared` for objects that use deferred @@ -595,6 +596,20 @@ _Py_TryIncrefCompare(PyObject **src, PyObject *op) return 1; } +static inline int +_Py_TryIncrefCompareStackRef(PyObject **src, PyObject *op, _PyStackRef *out) +{ + if (_Py_IsImmortal(op) || _PyObject_HasDeferredRefcount(op)) { + *out = (_PyStackRef){ .bits = (intptr_t)op | Py_TAG_DEFERRED }; + return 1; + } + if (_Py_TryIncrefCompare(src, op)) { + *out = PyStackRef_FromPyObjectSteal(op); + return 1; + } + return 0; +} + /* Loads and increfs an object from ptr, which may contain a NULL value. Safe with concurrent (atomic) updates to ptr. NOTE: The writer must set maybe-weakref on the stored object! */ |