gcc/ada/g-signal.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                         G N A T . S I G N A L S                          --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2003-2009, 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 3,  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.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 with System.Interrupts;
  33
  34 package body GNAT.Signals is
  35
  36    package SI renames System.Interrupts;
  37
  38    ------------------
  39    -- Block_Signal --
  40    ------------------
  41
  42    procedure Block_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
  43    begin
  44       SI.Block_Interrupt (SI.Interrupt_ID (Signal));
  45    end Block_Signal;
  46
  47    ----------------
  48    -- Is_Blocked --
  49    ----------------
  50
  51    function Is_Blocked (Signal : Ada.Interrupts.Interrupt_ID) return Boolean is
  52    begin
  53       return SI.Is_Blocked (SI.Interrupt_ID (Signal));
  54    end Is_Blocked;
  55
  56    --------------------
  57    -- Unblock_Signal --
  58    --------------------
  59
  60    procedure Unblock_Signal (Signal : Ada.Interrupts.Interrupt_ID) is
  61    begin
  62       SI.Unblock_Interrupt (SI.Interrupt_ID (Signal));
  63    end Unblock_Signal;
  64
  65 end GNAT.Signals;