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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . I N T E R R U P T S --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 1992-2017, Free Software Foundation, Inc. --
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10 -- --
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11 -- This specification is derived from the Ada Reference Manual for use with --
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12 -- GNAT. The copyright notice above, and the license provisions that follow --
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13 -- apply solely to the contents of the part following the private keyword. --
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14 -- --
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15 -- GNAT is free software; you can redistribute it and/or modify it under --
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16 -- terms of the GNU General Public License as published by the Free Soft- --
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17 -- ware Foundation; either version 3, or (at your option) any later ver- --
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18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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20 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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21 -- --
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22 -- As a special exception under Section 7 of GPL version 3, you are granted --
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23 -- additional permissions described in the GCC Runtime Library Exception, --
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24 -- version 3.1, as published by the Free Software Foundation. --
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25 -- --
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26 -- You should have received a copy of the GNU General Public License and --
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27 -- a copy of the GCC Runtime Library Exception along with this program; --
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28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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29 -- <http://www.gnu.org/licenses/>. --
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30 -- --
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31 -- GNAT was originally developed by the GNAT team at New York University. --
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32 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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33 -- --
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34 ------------------------------------------------------------------------------
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35
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36 with System.Interrupts;
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37 with System.Multiprocessors;
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38 with Ada.Task_Identification;
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39
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40 package Ada.Interrupts is
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41
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42 type Interrupt_ID is new System.Interrupts.Ada_Interrupt_ID;
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43
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44 type Parameterless_Handler is access protected procedure;
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45
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46 function Is_Reserved (Interrupt : Interrupt_ID) return Boolean with
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47 SPARK_Mode,
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48 Volatile_Function,
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49 Global => Ada.Task_Identification.Tasking_State;
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50
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51 function Is_Attached (Interrupt : Interrupt_ID) return Boolean with
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52 SPARK_Mode,
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53 Volatile_Function,
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54 Global => Ada.Task_Identification.Tasking_State;
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55
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56 function Current_Handler
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57 (Interrupt : Interrupt_ID) return Parameterless_Handler
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58 with
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59 SPARK_Mode => Off,
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60 Global => null;
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61
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62 procedure Attach_Handler
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63 (New_Handler : Parameterless_Handler;
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64 Interrupt : Interrupt_ID)
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65 with
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66 SPARK_Mode => Off,
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67 Global => null;
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68
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69 procedure Exchange_Handler
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70 (Old_Handler : out Parameterless_Handler;
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71 New_Handler : Parameterless_Handler;
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72 Interrupt : Interrupt_ID)
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73 with
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74 SPARK_Mode => Off,
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75 Global => null;
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76
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77 procedure Detach_Handler (Interrupt : Interrupt_ID) with
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78 SPARK_Mode,
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79 Global => (In_Out => Ada.Task_Identification.Tasking_State);
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80
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81 function Reference (Interrupt : Interrupt_ID) return System.Address with
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82 SPARK_Mode => Off,
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83 Global => null;
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84
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85 function Get_CPU
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86 (Interrupt : Interrupt_ID) return System.Multiprocessors.CPU_Range
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87 with
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88 SPARK_Mode,
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89 Volatile_Function,
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90 Global => Ada.Task_Identification.Tasking_State;
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91
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92 private
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93 pragma Inline (Is_Reserved);
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94 pragma Inline (Is_Attached);
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95 pragma Inline (Current_Handler);
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96 pragma Inline (Attach_Handler);
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97 pragma Inline (Detach_Handler);
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98 pragma Inline (Exchange_Handler);
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99 pragma Inline (Get_CPU);
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100 end Ada.Interrupts;
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