8000 GH-100000: Cleanup and polish various watchers code by itamaro · Pull Request #99998 · python/cpython · GitHub
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GH-100000: Cleanup and polish various watchers code #99998

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Merged
merged 7 commits into from
Dec 14, 2022
Merged

GH-100000: Cleanup and polish various watchers code #99998

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468ef72
Cleanup nits in watchers-related code
itamaro Nov 23, 2022
d380f0c
Optimize code watchers notification
itamaro Dec 4, 2022
8e2e17a
Replace invariant test with assert in type watchers notification
itamaro Dec 4, 2022
0eaed3e
Optimize func watchers notification
itamaro Dec 5, 2022
28b1d8d
Merge branch 'main' into watchers-polish
itamaro Dec 5, 2022
40044c0
Replace invariant test with assert in function watchers dispatch
itamaro Dec 5, 2022
80f9519
Merge branch 'main' into watchers-polish
itamaro Dec 13, 2022
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Optimize func watchers notification
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@itamaro
itamaro committed Dec 5, 2022
commit 0eaed3ec2d0da98ef990cf4e4e4a67386d5dce61
16 changes: 12 additions & 4 deletions Objects/funcobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,18 @@ static void
notify_func_watchers(PyInterpreterState *interp, PyFunction_WatchEvent event,
PyFunctionObject *func, PyObject *new_value)
{
for (int i = 0; i < FUNC_MAX_WATCHERS; i++) {
PyFunction_WatchCallback cb = interp->func_watchers[i];
if ((cb != NULL) && (cb(event, func, new_value) < 0)) {
PyErr_WriteUnraisable((PyObject *) func);
uint8_t bits = interp->active_func_watchers;
int i = 0;
while (bits) {
assert(i < FUNC_MAX_WATCHERS);
if (bits & 1) {
PyFunction_WatchCallback cb = interp->func_watchers[i];
if ((cb != NULL) && (cb(event, func, new_value) < 0)) {
PyErr_WriteUnraisable((PyObject *) func);
}
}
i++;
bits >>= 1;
}
}

Expand All @@ -25,6 +32,7 @@ handle_func_event(PyFunction_WatchEvent event, PyFunctionObject *func,
PyObject *new_value)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
assert(interp->_initialized);
if (interp->active_func_watchers) {
notify_func_watchers(interp, event, func, new_value);
}
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