------------------------------------------------------------------------------
--                                                                          --
--                        GNAT RUN-TIME COMPONENTS                          --
--                                                                          --
--                       A D A . I N T E R R U P T S                        --
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--                                 S p e c                                  --
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--                            $Revision: 1.16 $
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--          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
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-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the  contents of the part following the private keyword. --
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------------------------------------------------------------------------------

with System.Interrupts;
--  used for Ada_Interrupt_ID.

package Ada.Interrupts is

   type Interrupt_ID is new System.Interrupts.Ada_Interrupt_ID;

   type Parameterless_Handler is access protected procedure;

   function Is_Reserved (Interrupt : Interrupt_ID) return Boolean;

   function Is_Attached (Interrupt : Interrupt_ID) return Boolean;

   function Current_Handler
     (Interrupt : Interrupt_ID)
      return      Parameterless_Handler;

   procedure Attach_Handler
     (New_Handler : Parameterless_Handler;
      Interrupt   : Interrupt_ID);

   procedure Exchange_Handler
     (Old_Handler : out Parameterless_Handler;
      New_Handler : Parameterless_Handler;
      Interrupt   : Interrupt_ID);

   procedure Detach_Handler (Interrupt : Interrupt_ID);

   function Reference (Interrupt : Interrupt_ID) return System.Address;

private
   pragma Inline (Is_Reserved);
   pragma Inline (Is_Attached);
   pragma Inline (Current_Handler);
   pragma Inline (Attach_Handler);
   pragma Inline (Detach_Handler);
   pragma Inline (Exchange_Handler);
end Ada.Interrupts;
