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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . A S Y N C H R O N O U S _ T A S K _ C O N T R O L --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This unit is not implemented in typical GNAT implementations that lie on
+-- top of operating systems, because it is infeasible to implement in such
+-- environments. The RM anticipates this situation (RM D.11(10)), and permits
+-- an implementation to leave this unimplemented even if the Real-Time Systems
+-- annex is fully supported.
+
+-- If a target environment provides appropriate support for this package, then
+-- the Unimplemented_Unit pragma should be removed from this spec, and an
+-- appropriate body provided. The framework for such a body is included in the
+-- distributed sources.
+
+with Ada.Task_Identification;
+
+package Ada.Asynchronous_Task_Control is
+ pragma Preelaborate_05;
+ -- In accordance with Ada 2005 AI-362
+
+ pragma Unimplemented_Unit;
+
+ procedure Hold (T : Ada.Task_Identification.Task_Id);
+
+ procedure Continue (T : Ada.Task_Identification.Task_Id);
+
+ function Is_Held (T : Ada.Task_Identification.Task_Id) return Boolean;
+
+end Ada.Asynchronous_Task_Control;