Fix a race condition

2026-01-05 12:02:27 +01:00
parent a3b92fcc72
commit de62f95f45
1 changed files with 4 additions and 3 deletions
--- a/observer.py
+++ b/observer.py
@@ -11,9 +11,10 @@ class Observer:
            self.__receivers_list[identifier].add(queue)
            return Subscription(self, identifier, queue)
    def publish(self, identifier, message):
-        if identifier in self.__receivers_list:
-            for queue in self.__receivers_list[identifier]:
-                queue.put(message)
+        with self.__lock:
+            if identifier in self.__receivers_list:
+                for queue in self.__receivers_list[identifier]:
+                    queue.put(message)
    def quit(self, identifer, queue):
        with self.__lock:
            self.__receivers_list[identifer].remove(queue)