gcc/ada/g-signal.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                         G N A T . S I G N A L S                          --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --             Copyright (C) 2003 Free Software Foundation, Inc.            --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with System.Interrupts;
  35
  36 package body GNAT.Signals is
  37
  38    package SI renames System.Interrupts;
  39
  40    ------------------
  41    -- Block_Signal --
  42    ------------------
  43
  44    procedure Block_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
  45    begin
  46       SI.Block_Interrupt (SI.Interrupt_ID (Signal));
  47    end Block_Signal;
  48
  49    ----------------
  50    -- Is_Blocked --
  51    ----------------
  52
  53    function Is_Blocked
  54      (Signal : Ada.Interrupts.Interrupt_ID)
  55       return Boolean
  56    is
  57    begin
  58       return SI.Is_Blocked (SI.Interrupt_ID (Signal));
  59    end Is_Blocked;
  60
  61    --------------------
  62    -- Unblock_Signal --
  63    --------------------
  64
  65    procedure Unblock_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
  66    begin
  67       SI.Unblock_Interrupt (SI.Interrupt_ID (Signal));
  68    end Unblock_Signal;
  69
  70 end GNAT.Signals;
  71