Resolve issue 3321: (segfault) _multiprocessing.Connection() doesn't check handle
diff --git a/Modules/_multiprocessing/connection.h b/Modules/_multiprocessing/connection.h
index 155b61b..458d1d3 100644
--- a/Modules/_multiprocessing/connection.h
+++ b/Modules/_multiprocessing/connection.h
@@ -354,7 +354,7 @@
 	}
 
 	Py_BEGIN_ALLOW_THREADS
-	res = conn_poll(self, timeout);
+	res = conn_poll(self, timeout, _save);
 	Py_END_ALLOW_THREADS
 
 	switch (res) {