1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--               S Y S T E M . M U L T I P R O C E S S O R S                --
6--                                                                          --
7--                                  B o d y                                 --
8--                                                                          --
9--         Copyright (C) 2010-2013, Free Software Foundation, Inc.          --
10--                                                                          --
11-- GNARL 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------------------------------------------------------------------------------
28
29with Interfaces.C; use Interfaces.C;
30
31package body System.Multiprocessors is
32
33   --------------------
34   -- Number_Of_CPUs --
35   --------------------
36
37   function Number_Of_CPUs return CPU is
38   begin
39      if CPU'Last = 1 then
40         return 1;
41      else
42         declare
43            function Gnat_Number_Of_CPUs return int;
44            pragma Import (C, Gnat_Number_Of_CPUs, "__gnat_number_of_cpus");
45         begin
46            return CPU (Gnat_Number_Of_CPUs);
47         end;
48      end if;
49   end Number_Of_CPUs;
50
51end System.Multiprocessors;
52