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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . E X E C U T I O N _ T I M E . T I M E R S -- -- -- -- 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 System; package Ada.Execution_Time.Timers is pragma Preelaborate; pragma Unimplemented_Unit; type Timer (T : not null access constant Ada.Task_Identification.Task_Id) is tagged limited private; type Timer_Handler is access protected procedure (TM : in out Timer); Min_Handler_Ceiling : constant System.Any_Priority := System.Priority'Last; procedure Set_Handler (TM : in out Timer; In_Time : Ada.Real_Time.Time_Span; Handler : Timer_Handler); procedure Set_Handler (TM : in out Timer; At_Time : CPU_Time; Handler : Timer_Handler); function Current_Handler (TM : Timer) return Timer_Handler; procedure Cancel_Handler (TM : in out Timer; Cancelled : out Boolean); function Time_Remaining (TM : Timer) return Ada.Real_Time.Time_Span; Timer_Resource_Error : exception; private type Timer (T : access Ada.Task_Identification.Task_Id) is tagged limited null record; end Ada.Execution_Time.Timers;