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Diffstat (limited to 'gcc-4.3.1/gcc/ada/a-exetim-mingw.adb')
| -rwxr-xr-x | gcc-4.3.1/gcc/ada/a-exetim-mingw.adb | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/a-exetim-mingw.adb b/gcc-4.3.1/gcc/ada/a-exetim-mingw.adb new file mode 100755 index 000000000..bf2f271c0 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/a-exetim-mingw.adb @@ -0,0 +1,160 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . E X E C U T I O N _ T I M E -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2007, 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 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; use Ada.Task_Identification; +with Ada.Unchecked_Conversion; + +with System.OS_Interface; use System.OS_Interface; +with System.Task_Primitives.Operations; use System.Task_Primitives.Operations; +with System.Tasking; use System.Tasking; + +package body Ada.Execution_Time is + + --------- + -- "+" -- + --------- + + function "+" + (Left : CPU_Time; + Right : Ada.Real_Time.Time_Span) return CPU_Time + is + use type Ada.Real_Time.Time; + begin + return CPU_Time (Ada.Real_Time.Time (Left) + Right); + end "+"; + + function "+" + (Left : Ada.Real_Time.Time_Span; + Right : CPU_Time) return CPU_Time + is + use type Ada.Real_Time.Time; + begin + return CPU_Time (Left + Ada.Real_Time.Time (Right)); + end "+"; + + --------- + -- "-" -- + --------- + + function "-" + (Left : CPU_Time; + Right : Ada.Real_Time.Time_Span) return CPU_Time + is + use type Ada.Real_Time.Time; + begin + return CPU_Time (Ada.Real_Time.Time (Left) - Right); + end "-"; + + function "-" + (Left : CPU_Time; + Right : CPU_Time) return Ada.Real_Time.Time_Span + is + use type Ada.Real_Time.Time; + begin + return (Ada.Real_Time.Time (Left) - Ada.Real_Time.Time (Right)); + end "-"; + + ----------- + -- Clock -- + ----------- + + function Clock + (T : Ada.Task_Identification.Task_Id := + Ada.Task_Identification.Current_Task) return CPU_Time + is + Hundreds_Nano_In_Sec : constant Long_Long_Float := 1.0E7; + + function To_Time is new Ada.Unchecked_Conversion + (Duration, Ada.Real_Time.Time); + + function To_Task_Id is new Ada.Unchecked_Conversion + (Ada.Task_Identification.Task_Id, System.Tasking.Task_Id); + + C_Time : aliased Long_Long_Integer; + E_Time : aliased Long_Long_Integer; + K_Time : aliased Long_Long_Integer; + U_Time : aliased Long_Long_Integer; + Res : BOOL; + + begin + if T = Ada.Task_Identification.Null_Task_Id then + raise Program_Error; + end if; + + Res := + GetThreadTimes + (HANDLE (Get_Thread_Id (To_Task_Id (T))), + C_Time'Access, E_Time'Access, K_Time'Access, U_Time'Access); + + if Res = False then + raise Program_Error; + end if; + + return + CPU_Time + (To_Time + (Duration + ((Long_Long_Float (K_Time) / Hundreds_Nano_In_Sec) + + (Long_Long_Float (U_Time) / Hundreds_Nano_In_Sec)))); + end Clock; + + ----------- + -- Split -- + ----------- + + procedure Split + (T : CPU_Time; + SC : out Ada.Real_Time.Seconds_Count; + TS : out Ada.Real_Time.Time_Span) + is + use type Ada.Real_Time.Time; + begin + Ada.Real_Time.Split (Ada.Real_Time.Time (T), SC, TS); + end Split; + + ------------- + -- Time_Of -- + ------------- + + function Time_Of + (SC : Ada.Real_Time.Seconds_Count; + TS : Ada.Real_Time.Time_Span := Ada.Real_Time.Time_Span_Zero) + return CPU_Time + is + begin + return CPU_Time (Ada.Real_Time.Time_Of (SC, TS)); + end Time_Of; + +end Ada.Execution_Time; |