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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . T A S K I N G . A S Y N C _ D E L A Y S . --
+-- E N Q U E U E _ R T --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1998-2006, Free Software Foundation, Inc. --
+-- --
+-- GNARL 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 2, or (at your option) any later ver- --
+-- sion. GNARL 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. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Real_Time;
+with Ada.Real_Time.Delays;
+with System.Task_Primitives.Operations;
+with System.Tasking.Initialization;
+
+function System.Tasking.Async_Delays.Enqueue_RT
+ (T : Ada.Real_Time.Time;
+ D : Delay_Block_Access) return Boolean
+is
+ use type Ada.Real_Time.Time; -- for "=" operator
+begin
+ if T <= Ada.Real_Time.Clock then
+ D.Timed_Out := True;
+ System.Task_Primitives.Operations.Yield;
+ return False;
+ end if;
+
+ System.Tasking.Initialization.Defer_Abort
+ (System.Task_Primitives.Operations.Self);
+ Time_Enqueue (Ada.Real_Time.Delays.To_Duration (T), D);
+ return True;
+end System.Tasking.Async_Delays.Enqueue_RT;