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) 1992-2020, 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 3,  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.                                     --
21--                                                                          --
22-- As a special exception under Section 7 of GPL version 3, you are granted --
23-- additional permissions described in the GCC Runtime Library Exception,   --
24-- version 3.1, as published by the Free Software Foundation.               --
25--                                                                          --
26-- You should have received a copy of the GNU General Public License and    --
27-- a copy of the GCC Runtime Library Exception along with this program;     --
28-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
29-- <http://www.gnu.org/licenses/>.                                          --
30--                                                                          --
31-- GNAT was originally developed  by the GNAT team at  New York University. --
32-- Extensive contributions were provided by Ada Core Technologies Inc.      --
33--                                                                          --
34------------------------------------------------------------------------------
35
36with System.Interrupts;
37with System.Multiprocessors;
38with Ada.Task_Identification;
39
40package Ada.Interrupts is
41
42   type Interrupt_ID is new System.Interrupts.Ada_Interrupt_ID;
43
44   type Parameterless_Handler is access protected procedure;
45
46   function Is_Reserved (Interrupt : Interrupt_ID) return Boolean with
47     SPARK_Mode,
48     Volatile_Function,
49     Global => Ada.Task_Identification.Tasking_State;
50
51   function Is_Attached (Interrupt : Interrupt_ID) return Boolean with
52     SPARK_Mode,
53     Volatile_Function,
54     Global => Ada.Task_Identification.Tasking_State;
55
56   function Current_Handler
57     (Interrupt : Interrupt_ID) return Parameterless_Handler
58   with
59     SPARK_Mode => Off,
60     Global     => null;
61
62   procedure Attach_Handler
63     (New_Handler : Parameterless_Handler;
64      Interrupt   : Interrupt_ID)
65   with
66     SPARK_Mode => Off,
67     Global     => null;
68
69   procedure Exchange_Handler
70     (Old_Handler : out Parameterless_Handler;
71      New_Handler : Parameterless_Handler;
72      Interrupt   : Interrupt_ID)
73   with
74     SPARK_Mode => Off,
75     Global     => null;
76
77   procedure Detach_Handler (Interrupt : Interrupt_ID) with
78     SPARK_Mode,
79     Global => (In_Out => Ada.Task_Identification.Tasking_State);
80
81   function Reference (Interrupt : Interrupt_ID) return System.Address with
82     SPARK_Mode => Off,
83     Global     => null;
84
85   function Get_CPU
86     (Interrupt : Interrupt_ID) return System.Multiprocessors.CPU_Range
87   with
88     SPARK_Mode,
89     Volatile_Function,
90     Global => Ada.Task_Identification.Tasking_State;
91
92private
93   pragma Inline (Is_Reserved);
94   pragma Inline (Is_Attached);
95   pragma Inline (Current_Handler);
96   pragma Inline (Attach_Handler);
97   pragma Inline (Detach_Handler);
98   pragma Inline (Exchange_Handler);
99   pragma Inline (Get_CPU);
100end Ada.Interrupts;
101