--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . E X E C U T I O N _ T I M E . I N T E R R U P T S --
+-- --
+-- S p e c --
+-- --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. In accordance with the copyright of that document, you can freely --
+-- copy and modify this specification, provided that if you redistribute a --
+-- modified version, any changes that you have made are clearly indicated. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Interrupts;
+
+package Ada.Execution_Time.Interrupts is
+
+ pragma Unimplemented_Unit;
+
+ function Clock (Interrupt : Ada.Interrupts.Interrupt_Id) return CPU_Time;
+
+ function Supported (Interrupt : Ada.Interrupts.Interrupt_Id) return Boolean;
+
+end Ada.Execution_Time.Interrupts;