gcc/ada/a-interr.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                        GNAT RUN-TIME COMPONENTS                          --
   4 --                                                                          --
   5 --                       A D A . I N T E R R U P T S                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  21 -- for  more details.  You should have  received  a copy of the GNU General --
  22 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  23 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  24 -- MA 02111-1307, USA.                                                      --
  25 --                                                                          --
  26 -- As a special exception,  if other files  instantiate  generics from this --
  27 -- unit, or you link  this unit with other files  to produce an executable, --
  28 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  29 -- covered  by the  GNU  General  Public  License.  This exception does not --
  30 -- however invalidate  any other reasons why  the executable file  might be --
  31 -- covered by the  GNU Public License.                                      --
  32 --                                                                          --
  33 -- GNAT was originally developed  by the GNAT team at  New York University. --
  34 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  35 --                                                                          --
  36 ------------------------------------------------------------------------------
  37
  38 with System.Interrupts;
  39 --  used for Ada_Interrupt_ID.
  40
  41 package Ada.Interrupts is
  42
  43    type Interrupt_ID is new System.Interrupts.Ada_Interrupt_ID;
  44
  45    type Parameterless_Handler is access protected procedure;
  46
  47    function Is_Reserved (Interrupt : Interrupt_ID) return Boolean;
  48
  49    function Is_Attached (Interrupt : Interrupt_ID) return Boolean;
  50
  51    function Current_Handler
  52      (Interrupt : Interrupt_ID)
  53       return      Parameterless_Handler;
  54
  55    procedure Attach_Handler
  56      (New_Handler : Parameterless_Handler;
  57       Interrupt   : Interrupt_ID);
  58
  59    procedure Exchange_Handler
  60      (Old_Handler : out Parameterless_Handler;
  61       New_Handler : Parameterless_Handler;
  62       Interrupt   : Interrupt_ID);
  63
  64    procedure Detach_Handler (Interrupt : Interrupt_ID);
  65
  66    function Reference (Interrupt : Interrupt_ID) return System.Address;
  67
  68 private
  69    pragma Inline (Is_Reserved);
  70    pragma Inline (Is_Attached);
  71    pragma Inline (Current_Handler);
  72    pragma Inline (Attach_Handler);
  73    pragma Inline (Detach_Handler);
  74    pragma Inline (Exchange_Handler);
  75 end Ada.Interrupts;