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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [a-etgrbu.ads] - Rev 826

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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--      A D A . E X E C U T I O N _ T I M E . G R O U P _ B U D G E 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. --
--                                                                          --
------------------------------------------------------------------------------
 
--  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.
 
--  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.
 
with System;
 
package Ada.Execution_Time.Group_Budgets is
   pragma Preelaborate;
 
   pragma Unimplemented_Unit;
 
   type Group_Budget is tagged limited private;
 
   type Group_Budget_Handler is access
      protected procedure (GB : in out Group_Budget);
 
   type Task_Array is
      array (Positive range <>) of Ada.Task_Identification.Task_Id;
 
   Min_Handler_Ceiling : constant System.Any_Priority :=
                           System.Any_Priority'First;
   --  Initial value is an arbitrary choice ???
 
   procedure Add_Task
     (GB : in out Group_Budget;
      T  : Ada.Task_Identification.Task_Id);
 
   procedure Remove_Task
     (GB : in out Group_Budget;
      T  : Ada.Task_Identification.Task_Id);
 
   function Is_Member
     (GB : Group_Budget;
      T  : Ada.Task_Identification.Task_Id) return Boolean;
 
   function Is_A_Group_Member
     (T : Ada.Task_Identification.Task_Id) return Boolean;
 
   function Members (GB : Group_Budget) return Task_Array;
 
   procedure Replenish
     (GB : in out Group_Budget;
      To : Ada.Real_Time.Time_Span);
 
   procedure Add
     (GB       : in out Group_Budget;
      Interval : Ada.Real_Time.Time_Span);
 
   function Budget_Has_Expired (GB : Group_Budget) return Boolean;
 
   function Budget_Remaining
     (GB : Group_Budget) return Ada.Real_Time.Time_Span;
 
   procedure Set_Handler
     (GB      : in out Group_Budget;
      Handler : Group_Budget_Handler);
 
   function Current_Handler (GB : Group_Budget) return Group_Budget_Handler;
 
   procedure Cancel_Handler
     (GB        : in out Group_Budget;
      Cancelled : out Boolean);
 
   Group_Budget_Error : exception;
 
private
   type Group_Budget is tagged limited null record;
end Ada.Execution_Time.Group_Budgets;
 

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