diff --git a/io/io_finishandshutdown.c b/io/io_finishandshutdown.c
new file mode 100644
index 0000000..7f1f1ae
--- /dev/null
+++ b/io/io_finishandshutdown.c
@@ -0,0 +1,6 @@
+#include "io_internal.h"
+
+void io_finishandshutdown(void) {
+  array_reset(&io_fds);
+  array_reset(&io_pollfds);
+}