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
34with System.Interrupts;
35
36package 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
70end GNAT.Signals;
71
72