Over-engineer the watcher bits check

carljm · Oct 4, 2022 · 6e5cee2 · 6e5cee2
1 parent 1c7f814
commit 6e5cee2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
@@ -5765,11 +5765,12 @@ _PyDict_SendEvent(int watcher_bits,
 {
     PyInterpreterState *interp = _PyInterpreterState_GET();
     for (int i = 0; i < DICT_MAX_WATCHERS; i++) {
-        if (watcher_bits & (1 << i)) {
+        if (watcher_bits & 1) {
             PyDict_WatchCallback cb = (PyDict_WatchCallback)interp->dict_watchers[i];
             if (cb) {
                 cb(event, (PyObject*)mp, key, value);
             }
         }
+        watcher_bits >>= 1;
     }
 }