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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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4 -- --
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5 -- SYSTEM.TASK_PRIMITIVES.INTERRUPT_OPERATIONS --
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6 -- --
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7 -- B o d y --
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8 -- --
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9 -- Copyright (C) 1998-2017, Free Software Foundation, Inc. --
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10 -- --
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11 -- GNARL is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNARL was developed by the GNARL team at Florida State University. --
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28 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 package body System.Task_Primitives.Interrupt_Operations is
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33
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34 -- ??? The VxWorks version of System.Interrupt_Management needs to access
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35 -- this array, but due to elaboration problems, it can't with this
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36 -- package directly, so we export this variable for now.
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37
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38 Interrupt_ID_Map : array (IM.Interrupt_ID) of ST.Task_Id;
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39 pragma Export (Ada, Interrupt_ID_Map,
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40 "system__task_primitives__interrupt_operations__interrupt_id_map");
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41
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42 ----------------------
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43 -- Get_Interrupt_ID --
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44 ----------------------
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45
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46 function Get_Interrupt_ID (T : ST.Task_Id) return IM.Interrupt_ID is
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47 use type ST.Task_Id;
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48
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49 begin
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50 for Interrupt in IM.Interrupt_ID loop
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51 if Interrupt_ID_Map (Interrupt) = T then
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52 return Interrupt;
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53 end if;
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54 end loop;
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55
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56 raise Program_Error;
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57 end Get_Interrupt_ID;
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58
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59 -----------------
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60 -- Get_Task_Id --
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61 -----------------
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62
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63 function Get_Task_Id (Interrupt : IM.Interrupt_ID) return ST.Task_Id is
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64 begin
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65 return Interrupt_ID_Map (Interrupt);
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66 end Get_Task_Id;
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67
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68 ----------------------
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69 -- Set_Interrupt_ID --
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70 ----------------------
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71
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72 procedure Set_Interrupt_ID (Interrupt : IM.Interrupt_ID; T : ST.Task_Id) is
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73 begin
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74 Interrupt_ID_Map (Interrupt) := T;
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75 end Set_Interrupt_ID;
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76
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77 end System.Task_Primitives.Interrupt_Operations;
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