Issue #15064: Implement context manager protocol for multiprocessing types
diff --git a/Lib/multiprocessing/dummy/connection.py b/Lib/multiprocessing/dummy/connection.py
index af10579..874ec8e 100644
--- a/Lib/multiprocessing/dummy/connection.py
+++ b/Lib/multiprocessing/dummy/connection.py
@@ -53,6 +53,12 @@
 
     address = property(lambda self: self._backlog_queue)
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, exc_tb):
+        self.close()
+
 
 def Client(address):
     _in, _out = Queue(), Queue()
@@ -85,3 +91,9 @@
 
     def close(self):
         pass
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, exc_tb):
+        self.close()