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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [s-tasinf-mingw.adb] - Rev 282
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . T A S K _ I N F O -- -- -- -- B o d y -- -- -- -- Copyright (C) 2007-2009, 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/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This is the Windows (native) version of this module with System.OS_Interface; pragma Unreferenced (System.OS_Interface); -- System.OS_Interface is not used today, but the protocol between the -- run-time and the binder is that any tasking application uses -- System.OS_Interface, so notify the binder with this "with" clause. package body System.Task_Info is N_CPU : Natural := 0; pragma Atomic (N_CPU); -- Cache CPU number. Use pragma Atomic to avoid a race condition when -- setting N_CPU in Number_Of_Processors below. -------------------------- -- Number_Of_Processors -- -------------------------- function Number_Of_Processors return Positive is begin if N_CPU = 0 then declare SI : aliased Win32.SYSTEM_INFO; begin Win32.GetSystemInfo (SI'Access); N_CPU := Positive (SI.dwNumberOfProcessors); end; end if; return N_CPU; end Number_Of_Processors; end System.Task_Info;
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