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------------------------------------------------------------------------------
-- --
-- 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) 2007-2015, 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. --
-- --
------------------------------------------------------------------------------
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 := Ada.Real_Time.Time_Unit;
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;
|
