Ada Programming/Libraries/Ada.Real_Time.Timing_Events

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This language feature is only available from Ada 2005 on.

Ada.Real_Time.Timing_Events is a unit of the Predefined Language Environment since Ada 2005.

Specification

--                     Standard Ada library specification
--   Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com>
--   Copyright (c) 2004-2016 AXE Consultants
--   Copyright (c) 2004, 2005, 2006 Ada-Europe
--   Copyright (c) 2000 The MITRE Corporation, Inc.
--   Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc.
--   SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual
-- -------------------------------------------------------------------------

package Ada.Real_Time.Timing_Events is

   type Timing_Event is tagged limited private;

   type Timing_Event_Handler is
     access protected procedure (Event : in out Timing_Event);

   procedure Set_Handler (Event   : in out Timing_Event;
                          At_Time : in     Time;
                          Handler : in     Timing_Event_Handler);

   procedure Set_Handler (Event   : in out Timing_Event;
                          In_Time : in     Time_Span;
                          Handler : in     Timing_Event_Handler);

   function Current_Handler (Event : in Timing_Event)
     return Timing_Event_Handler;

   procedure Cancel_Handler (Event     : in out Timing_Event;
                             Cancelled :    out Boolean);

   function Time_Of_Event (Event : in Timing_Event) return Time;

private

   pragma Import (Ada, Timing_Event);

end Ada.Real_Time.Timing_Events;

See also

Wikibook

• Ada Programming/Libraries/Ada

External examples

• Search for examples of Ada.Real_Time.Timing_Events in: Rosetta Code, GitHub (gists), any Alire crate or this Wikibook.
• Search for posts related to Ada.Real_Time.Timing_Events in: Stack Overflow, comp.lang.ada or any Ada related page.

Ada Reference Manual

Ada 2005

• D.15: Timing Events ^[Annotated]

Ada 2012

• D.15: Timing Events ^[Annotated]

Open-Source Implementations

FSF GNAT

• Specification: a-rttiev.ads
• Body: a-rttiev.adb

drake

• Specification: tasking/a-rttiev.ads