Ada Programming/Libraries/Ada.Synchronous_Task_Control

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This language feature is available from Ada 95 on.

Ada.Synchronous_Task_Control is a unit of the Predefined Language Environment since Ada 95.

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.Synchronous_Task_Control is

   pragma Preelaborate (Synchronous_Task_Control);

   type Suspension_Object is limited private;

   procedure Set_True (S : in out Suspension_Object);

   procedure Set_False (S : in out Suspension_Object);

   function Current_State (S : in Suspension_Object) return Boolean;

   procedure Suspend_Until_True (S : in out Suspension_Object);

private

   pragma Import (Ada, Suspension_Object);

end Ada.Synchronous_Task_Control;

See also

Wikibook

• Ada Programming/Libraries/Ada

External examples

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

Ada Reference Manual

Ada 95

• D.10: Synchronous Task Control ^[Annotated]

Ada 2005

• D.10: Synchronous Task Control ^[Annotated]

Ada 2012

• D.10: Synchronous Task Control ^[Annotated]

Open-Source Implementations

FSF GNAT

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

drake

• Specification: tasking/a-sytaco.ads
• Body: tasking/a-sytaco.adb