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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 -- -- -- -- 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;
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