diff --git a/attn/ti_handler.hpp b/attn/ti_handler.hpp
new file mode 100644
index 0000000..d3b83cd
--- /dev/null
+++ b/attn/ti_handler.hpp
@@ -0,0 +1,13 @@
+#pragma once
+
+/**
+ * @brief TI special attention handler
+ *
+ * Handle special attention due to a terminate immediately (TI) condition.
+ */
+namespace attn
+{
+
+void tiHandler();
+
+} // namespace attn