| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . S Y N C H R O N O U S _ T A S K _ C O N T R O L -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2014, Free Software Foundation, Inc. -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. The copyright notice above, and the license provisions that follow -- |
| -- apply solely to the contents of the part following the private keyword. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with System.Task_Primitives; |
| |
| with Ada.Finalization; |
| |
| package Ada.Synchronous_Task_Control is |
| pragma Preelaborate; |
| -- In accordance with Ada 2005 AI-362 |
| |
| 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 : Suspension_Object) return Boolean; |
| |
| procedure Suspend_Until_True (S : in out Suspension_Object); |
| |
| private |
| |
| procedure Initialize (S : in out Suspension_Object); |
| -- Initialization for Suspension_Object |
| |
| procedure Finalize (S : in out Suspension_Object); |
| -- Finalization for Suspension_Object |
| |
| type Suspension_Object is |
| new Ada.Finalization.Limited_Controlled with |
| record |
| SO : System.Task_Primitives.Suspension_Object; |
| -- Use low-level suspension objects so that the synchronization |
| -- functionality provided by this object can be achieved using |
| -- efficient operating system primitives. |
| end record; |
| |
| pragma Inline (Set_True); |
| pragma Inline (Set_False); |
| pragma Inline (Current_State); |
| pragma Inline (Suspend_Until_True); |
| pragma Inline (Initialize); |
| pragma Inline (Finalize); |
| |
| end Ada.Synchronous_Task_Control; |
