| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNU ADA 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 -- |
| -- -- |
| -- $Revision: 1.1 $ |
| -- -- |
| -- Copyright (C) 1998-1999 Ada Core Technologies, 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, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, 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. It is -- |
| -- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- |
| -- State University (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| 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 : in 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; |
