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
32with System.Interrupts;
33
34package 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
65end GNAT.Signals;
66