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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--         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          --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. The copyright notice above, and the license provisions that follow --
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-- apply solely to the  contents of the part following the private keyword. --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with System.Task_Primitives;
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with Ada.Finalization;
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package Ada.Synchronous_Task_Control is
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   pragma Preelaborate_05;
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   --  In accordance with Ada 2005 AI-362
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   type Suspension_Object is limited private;
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   procedure Set_True (S : in out Suspension_Object);
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   procedure Set_False (S : in out Suspension_Object);
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   function Current_State (S : Suspension_Object) return Boolean;
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   procedure Suspend_Until_True (S : in out Suspension_Object);
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private
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   procedure Initialize (S : in out Suspension_Object);
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   --  Initialization for Suspension_Object
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   procedure Finalize (S : in out Suspension_Object);
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   --  Finalization for Suspension_Object
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   type Suspension_Object is
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     new Ada.Finalization.Limited_Controlled with
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   record
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      SO : System.Task_Primitives.Suspension_Object;
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      --  Use low-level suspension objects so that the synchronization
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      --  functionality provided by this object can be achieved using
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      --  efficient operating system primitives.
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   end record;
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   pragma Inline (Set_True);
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   pragma Inline (Set_False);
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   pragma Inline (Current_State);
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   pragma Inline (Suspend_Until_True);
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   pragma Inline (Initialize);
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   pragma Inline (Finalize);
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end Ada.Synchronous_Task_Control;

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