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gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (#119216)

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Irit Katriel 2024-05-21 16:42:51 -04:00 • committed by GitHub
parent b64182550f
commit 6e9863d7a3
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10 changed files with 60 additions and 35 deletions
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14
Python/ceval.c
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@ -231,7 +231,8 @@ static void monitor_reraise(PyThreadState *tstate,
_Py_CODEUNIT *instr);
static int monitor_stop_iteration(PyThreadState *tstate,
_PyInterpreterFrame *frame,
_Py_CODEUNIT *instr);
_Py_CODEUNIT *instr,
PyObject *value);
static void monitor_unwind(PyThreadState *tstate,
_PyInterpreterFrame *frame,
_Py_CODEUNIT *instr);
@ -2215,12 +2216,19 @@ monitor_reraise(PyThreadState *tstate, _PyInterpreterFrame *frame,
static int
monitor_stop_iteration(PyThreadState *tstate, _PyInterpreterFrame *frame,
_Py_CODEUNIT *instr)
_Py_CODEUNIT *instr, PyObject *value)
{
if (no_tools_for_local_event(tstate, frame, PY_MONITORING_EVENT_STOP_ITERATION)) {
return 0;
}
return do_monitor_exc(tstate, frame, instr, PY_MONITORING_EVENT_STOP_ITERATION);
assert(!PyErr_Occurred());
PyErr_SetObject(PyExc_StopIteration, value);
int res = do_monitor_exc(tstate, frame, instr, PY_MONITORING_EVENT_STOP_ITERATION);
if (res < 0) {
return res;
}
PyErr_SetRaisedException(NULL);
return 0;
}
static void