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[3.13] gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (GH-119216) (#119497)

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* gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (GH-119216)
(cherry picked from commit 6e9863d7a3)

---------

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2024-05-24 12:18:13 +02:00 • committed by GitHub
parent e27e36922e
commit c864efba25
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GPG key ID: B5690EEEBB952194
10 changed files with 61 additions and 35 deletions
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9
Python/instrumentation.c
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@ -2622,7 +2622,7 @@ exception_event_teardown(int err, PyObject *exc) {
}
else {
assert(PyErr_Occurred());
Py_DECREF(exc);
Py_XDECREF(exc);
}
return err;
}
@ -2712,15 +2712,18 @@ _PyMonitoring_FirePyUnwindEvent(PyMonitoringState *state, PyObject *codelike, in
}
int
_PyMonitoring_FireStopIterationEvent(PyMonitoringState *state, PyObject *codelike, int32_t offset)
_PyMonitoring_FireStopIterationEvent(PyMonitoringState *state, PyObject *codelike, int32_t offset, PyObject *value)
{
int event = PY_MONITORING_EVENT_STOP_ITERATION;
assert(state->active);
assert(!PyErr_Occurred());
PyErr_SetObject(PyExc_StopIteration, value);
PyObject *exc;
if (exception_event_setup(&exc, event) < 0) {
return -1;
}
PyObject *args[4] = { NULL, NULL, NULL, exc };
int err = capi_call_instrumentation(state, codelike, offset, args, 3, event);
return exception_event_teardown(err, exc);
Py_DECREF(exc);
return exception_event_teardown(err, NULL);
}