85 lines
3.1 KiB
Ada
85 lines
3.1 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- 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. In accordance with the copyright of that document, you can freely --
|
|
-- copy and modify this specification, provided that if you redistribute a --
|
|
-- modified version, any changes that you have made are clearly indicated. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
-- This unit is not implemented in typical GNAT implementations that lie on
|
|
-- top of operating systems, because it is infeasible to implement in such
|
|
-- environments.
|
|
|
|
-- If a target environment provides appropriate support for this package
|
|
-- then the Unimplemented_Unit pragma should be removed from this spec and
|
|
-- an appropriate body provided.
|
|
|
|
with Ada.Task_Identification;
|
|
with Ada.Real_Time;
|
|
|
|
package Ada.Execution_Time is
|
|
pragma Preelaborate;
|
|
|
|
pragma Unimplemented_Unit;
|
|
|
|
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;
|
|
|
|
end Ada.Execution_Time;
|