blob: f2a18e91b580e4504ac006d71e797d5a3a636bca [file] [log] [blame]
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . M U L T I P R O C E S S O R S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2010-2022, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Interfaces.C; use Interfaces.C;
package body System.Multiprocessors is
--------------------
-- Number_Of_CPUs --
--------------------
function Number_Of_CPUs return CPU is
begin
if CPU'Last = 1 then
return 1;
else
declare
function Gnat_Number_Of_CPUs return int;
pragma Import (C, Gnat_Number_Of_CPUs, "__gnat_number_of_cpus");
begin
return CPU (Gnat_Number_Of_CPUs);
end;
end if;
end Number_Of_CPUs;
end System.Multiprocessors;