2007-08-14 Pascal Obry <obry@adacore.com>

	* s-osinte-mingw.ads: Add support for Ada.Execution_Time on Windows.
	(SYSTEM_INFO): New record.
	(SetThreadIdealProcessor): New imported routine needed for supporting
	task_info pragma on Windows.

	* s-taprop-mingw.adb (Enter_Task): Check if CPU number given in task
	info can be applied to the current host.
	(Create_Task): Set the ideal processor if information is present.

	* s-tasinf-mingw.adb, s-tasinf-mingw.ads,
	a-exetim-mingw.adb, a-exetim-mingw.ads: New files.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127434 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 98 insertions, 0 deletions

diff --git a/gcc/ada/a-exetim-mingw.ads b/gcc/ada/a-exetim-mingw.ads
new file mode 100755
index 00000000000..7ec45ba353d
--- /dev/null
+++ b/gcc/ada/a-exetim-mingw.ads
@@ -0,0 +1,98 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                   A D A . E X E C U T I O N _ T I M E                    --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- 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 2,  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.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
+-- Boston, MA 02110-1301, USA.                                              --
+--                                                                          --
+-- As a special exception,  if other files  instantiate  generics from this --
+-- unit, or you link  this unit with other files  to produce an executable, --
+-- this  unit  does not  by itself cause  the resulting  executable  to  be --
+-- covered  by the  GNU  General  Public  License.  This exception does not --
+-- however invalidate  any other reasons why  the executable file  might be --
+-- covered by the  GNU Public License.                                      --
+--                                                                          --
+-- 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 package
+
+with Ada.Task_Identification;
+with Ada.Real_Time;
+
+package Ada.Execution_Time is
+
+   type CPU_Time is private;
+
+   CPU_Time_First : constant CPU_Time;
+   CPU_Time_Last  : constant CPU_Time;
+   CPU_Time_Unit  : constant := 0.000001;
+   CPU_Tick       : constant Ada.Real_Time.Time_Span;
+
+   function Clock
+     (T : Ada.Task_Identification.Task_Id :=
+            Ada.Task_Identification.Current_Task) return CPU_Time;
+
+   function "+"
+     (Left  : CPU_Time;
+      Right : Ada.Real_Time.Time_Span) return CPU_Time;
+
+   function "+"
+     (Left  : Ada.Real_Time.Time_Span;
+      Right : CPU_Time) return CPU_Time;
+
+   function "-"
+     (Left  : CPU_Time;
+      Right : Ada.Real_Time.Time_Span) return CPU_Time;
+
+   function "-"
+     (Left  : CPU_Time;
+      Right : CPU_Time) return Ada.Real_Time.Time_Span;
+
+   function "<"  (Left, Right : CPU_Time) return Boolean;
+   function "<=" (Left, Right : CPU_Time) return Boolean;
+   function ">"  (Left, Right : CPU_Time) return Boolean;
+   function ">=" (Left, Right : CPU_Time) return Boolean;
+
+   procedure Split
+     (T  : CPU_Time;
+      SC : out Ada.Real_Time.Seconds_Count;
+      TS : out Ada.Real_Time.Time_Span);
+
+   function Time_Of
+      (SC : Ada.Real_Time.Seconds_Count;
+       TS : Ada.Real_Time.Time_Span := Ada.Real_Time.Time_Span_Zero)
+       return CPU_Time;
+
+private
+
+   type CPU_Time is new Ada.Real_Time.Time;
+
+   CPU_Time_First : constant CPU_Time  := CPU_Time (Ada.Real_Time.Time_First);
+   CPU_Time_Last  : constant CPU_Time  := CPU_Time (Ada.Real_Time.Time_Last);
+
+   CPU_Tick : constant Ada.Real_Time.Time_Span := Ada.Real_Time.Tick;
+
+   pragma Import (Intrinsic, "<");
+   pragma Import (Intrinsic, "<=");
+   pragma Import (Intrinsic, ">");
+   pragma Import (Intrinsic, ">=");
+
+end Ada.Execution_Time;