gcc/ada/5ointerr.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                 GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS              --
   4 --                                                                          --
   5 --                     S Y S T E M . I N T E R R U P T S                    --
   6 --                                                                          --
   7 --                                  B o d y                                 --
   8 --                                                                          --
   9 --             Copyright (C) 1991-1994, Florida State University            --
  10 --             Copyright (C) 1995-2003, Ada Core Technologies               --
  11 --                                                                          --
  12 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNARL; see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNARL was developed by the GNARL team at Florida State University.       --
  31 -- Extensive contributions were provided by Ada Core Technologies, Inc.     --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 --  This is an OS/2 version of this package.
  36
  37 --  This version is a stub, for systems that
  38 --  do not support interrupts (or signals).
  39
  40 with Ada.Exceptions;
  41
  42 package body System.Interrupts is
  43
  44    pragma Warnings (Off); -- kill warnings on unreferenced formals
  45
  46    use System.Tasking;
  47
  48    -----------------------
  49    -- Local Subprograms --
  50    -----------------------
  51
  52    procedure Unimplemented;
  53    --  This procedure raises a Program_Error with an appropriate message
  54    --  indicating that an unimplemented feature has been used.
  55
  56    --------------------
  57    -- Attach_Handler --
  58    --------------------
  59
  60    procedure Attach_Handler
  61      (New_Handler : Parameterless_Handler;
  62       Interrupt   : Interrupt_ID;
  63       Static      : Boolean := False)
  64    is
  65    begin
  66       Unimplemented;
  67    end Attach_Handler;
  68
  69    -----------------------------
  70    -- Bind_Interrupt_To_Entry --
  71    -----------------------------
  72
  73    procedure Bind_Interrupt_To_Entry
  74      (T       : Task_ID;
  75       E       : Task_Entry_Index;
  76       Int_Ref : System.Address)
  77    is
  78    begin
  79       Unimplemented;
  80    end Bind_Interrupt_To_Entry;
  81
  82    ---------------------
  83    -- Block_Interrupt --
  84    ---------------------
  85
  86    procedure Block_Interrupt (Interrupt : Interrupt_ID) is
  87    begin
  88       Unimplemented;
  89    end Block_Interrupt;
  90
  91    ---------------------
  92    -- Current_Handler --
  93    ---------------------
  94
  95    function Current_Handler
  96      (Interrupt : Interrupt_ID)
  97       return      Parameterless_Handler
  98    is
  99    begin
 100       Unimplemented;
 101       return null;
 102    end Current_Handler;
 103
 104    --------------------
 105    -- Detach_Handler --
 106    --------------------
 107
 108    procedure Detach_Handler
 109      (Interrupt : Interrupt_ID;
 110       Static    : Boolean := False)
 111    is
 112    begin
 113       Unimplemented;
 114    end Detach_Handler;
 115
 116    ------------------------------
 117    -- Detach_Interrupt_Entries --
 118    ------------------------------
 119
 120    procedure Detach_Interrupt_Entries (T : Task_ID) is
 121    begin
 122       Unimplemented;
 123    end Detach_Interrupt_Entries;
 124
 125    ----------------------
 126    -- Exchange_Handler --
 127    ----------------------
 128
 129    procedure Exchange_Handler
 130      (Old_Handler : out Parameterless_Handler;
 131       New_Handler : Parameterless_Handler;
 132       Interrupt   : Interrupt_ID;
 133       Static      : Boolean := False)
 134    is
 135    begin
 136       Old_Handler := null;
 137       Unimplemented;
 138    end Exchange_Handler;
 139
 140    --------------
 141    -- Finalize --
 142    --------------
 143
 144    procedure Finalize (Object : in out Static_Interrupt_Protection) is
 145    begin
 146       Unimplemented;
 147    end Finalize;
 148
 149    -------------------------------------
 150    -- Has_Interrupt_Or_Attach_Handler --
 151    -------------------------------------
 152
 153    function Has_Interrupt_Or_Attach_Handler
 154      (Object : access Dynamic_Interrupt_Protection)
 155       return   Boolean
 156    is
 157       pragma Warnings (Off, Object);
 158
 159    begin
 160       Unimplemented;
 161       return True;
 162    end Has_Interrupt_Or_Attach_Handler;
 163
 164    function Has_Interrupt_Or_Attach_Handler
 165      (Object : access Static_Interrupt_Protection)
 166       return   Boolean
 167    is
 168       pragma Warnings (Off, Object);
 169
 170    begin
 171       Unimplemented;
 172       return True;
 173    end Has_Interrupt_Or_Attach_Handler;
 174
 175    ----------------------
 176    -- Ignore_Interrupt --
 177    ----------------------
 178
 179    procedure Ignore_Interrupt (Interrupt : Interrupt_ID) is
 180    begin
 181       Unimplemented;
 182    end Ignore_Interrupt;
 183
 184    ----------------------
 185    -- Install_Handlers --
 186    ----------------------
 187
 188    procedure Install_Handlers
 189      (Object       : access Static_Interrupt_Protection;
 190       New_Handlers : New_Handler_Array)
 191    is
 192    begin
 193       Unimplemented;
 194    end Install_Handlers;
 195
 196    ----------------
 197    -- Is_Blocked --
 198    ----------------
 199
 200    function Is_Blocked (Interrupt : Interrupt_ID) return Boolean is
 201    begin
 202       Unimplemented;
 203       return True;
 204    end Is_Blocked;
 205
 206    -----------------------
 207    -- Is_Entry_Attached --
 208    -----------------------
 209
 210    function Is_Entry_Attached (Interrupt : Interrupt_ID) return Boolean is
 211    begin
 212       Unimplemented;
 213       return True;
 214    end Is_Entry_Attached;
 215
 216    -------------------------
 217    -- Is_Handler_Attached --
 218    -------------------------
 219
 220    function Is_Handler_Attached (Interrupt : Interrupt_ID) return Boolean is
 221    begin
 222       Unimplemented;
 223       return True;
 224    end Is_Handler_Attached;
 225
 226    ----------------
 227    -- Is_Ignored --
 228    ----------------
 229
 230    function Is_Ignored (Interrupt : Interrupt_ID) return Boolean is
 231    begin
 232       Unimplemented;
 233       return True;
 234    end Is_Ignored;
 235
 236    -----------------
 237    -- Is_Reserved --
 238    -----------------
 239
 240    function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
 241    begin
 242       Unimplemented;
 243       return True;
 244    end Is_Reserved;
 245
 246    ---------------
 247    -- Reference --
 248    ---------------
 249
 250    function Reference (Interrupt : Interrupt_ID) return System.Address is
 251    begin
 252       Unimplemented;
 253       return Interrupt'Address;
 254    end Reference;
 255
 256    --------------------------------
 257    -- Register_Interrupt_Handler --
 258    --------------------------------
 259
 260    procedure Register_Interrupt_Handler
 261      (Handler_Addr : System.Address)
 262    is
 263    begin
 264       Unimplemented;
 265    end Register_Interrupt_Handler;
 266
 267    -----------------------
 268    -- Unblock_Interrupt --
 269    -----------------------
 270
 271    procedure Unblock_Interrupt (Interrupt : Interrupt_ID) is
 272    begin
 273       Unimplemented;
 274    end Unblock_Interrupt;
 275
 276    ------------------
 277    -- Unblocked_By --
 278    ------------------
 279
 280    function Unblocked_By (Interrupt : Interrupt_ID)
 281      return System.Tasking.Task_ID is
 282    begin
 283       Unimplemented;
 284       return null;
 285    end Unblocked_By;
 286
 287    ------------------------
 288    -- Unignore_Interrupt --
 289    ------------------------
 290
 291    procedure Unignore_Interrupt (Interrupt : Interrupt_ID) is
 292    begin
 293       Unimplemented;
 294    end Unignore_Interrupt;
 295
 296    -------------------
 297    -- Unimplemented; --
 298    -------------------
 299
 300    procedure Unimplemented is
 301    begin
 302       Ada.Exceptions.Raise_Exception
 303         (Program_Error'Identity, "interrupts/signals not implemented");
 304       raise Program_Error;
 305    end Unimplemented;
 306
 307 end System.Interrupts;