| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . E X E C U T I O N _ T I M E -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2009-2021, Free Software Foundation, Inc. -- |
| -- -- |
| -- 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 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 package |
| |
| with Ada.Task_Identification; |
| with Ada.Real_Time; |
| |
| package Ada.Execution_Time with |
| SPARK_Mode |
| 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; |
| |
| use type Ada.Task_Identification.Task_Id; |
| |
| function Clock |
| (T : Ada.Task_Identification.Task_Id := |
| Ada.Task_Identification.Current_Task) |
| return CPU_Time |
| with |
| Volatile_Function, |
| Global => Ada.Real_Time.Clock_Time, |
| Pre => T /= Ada.Task_Identification.Null_Task_Id; |
| |
| function "+" |
| (Left : CPU_Time; |
| Right : Ada.Real_Time.Time_Span) return CPU_Time |
| with |
| Global => null; |
| |
| function "+" |
| (Left : Ada.Real_Time.Time_Span; |
| Right : CPU_Time) return CPU_Time |
| with |
| Global => null; |
| |
| function "-" |
| (Left : CPU_Time; |
| Right : Ada.Real_Time.Time_Span) return CPU_Time |
| with |
| Global => null; |
| |
| function "-" |
| (Left : CPU_Time; |
| Right : CPU_Time) return Ada.Real_Time.Time_Span |
| with |
| Global => null; |
| |
| function "<" (Left, Right : CPU_Time) return Boolean with |
| Global => null; |
| function "<=" (Left, Right : CPU_Time) return Boolean with |
| Global => null; |
| function ">" (Left, Right : CPU_Time) return Boolean with |
| Global => null; |
| function ">=" (Left, Right : CPU_Time) return Boolean with |
| Global => null; |
| |
| procedure Split |
| (T : CPU_Time; |
| SC : out Ada.Real_Time.Seconds_Count; |
| TS : out Ada.Real_Time.Time_Span) |
| with |
| Global => null; |
| |
| function Time_Of |
| (SC : Ada.Real_Time.Seconds_Count; |
| TS : Ada.Real_Time.Time_Span := Ada.Real_Time.Time_Span_Zero) |
| return CPU_Time |
| with |
| Global => null; |
| |
| Interrupt_Clocks_Supported : constant Boolean := False; |
| Separate_Interrupt_Clocks_Supported : constant Boolean := False; |
| |
| pragma Warnings (Off, "check will fail at run time"); |
| function Clock_For_Interrupts return CPU_Time with |
| Volatile_Function, |
| Global => Ada.Real_Time.Clock_Time, |
| Pre => Interrupt_Clocks_Supported; |
| pragma Warnings (On, "check will fail at run time"); |
| |
| private |
| pragma SPARK_Mode (Off); |
| |
| 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; |
