------------------------------------------------------------------------------
--                                                                          --
--                 GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS               --
--                                                                          --
--                   A D A . R E A L _ T I M E . D E L A Y S                --
--                                                                          --
--                                  B o d y                                 --
--                                                                          --
--                             $Revision: 1.28 $
--                                                                          --
--             Copyright (C) 1991-1999 Florida State University             --
--                                                                          --
-- 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 System.Task_Primitives.Operations;
--  Used for Timed_Delay

with System.OS_Primitives;
--  Used for Delay_Modes

package body Ada.Real_Time.Delays is

   package STPO renames System.Task_Primitives.Operations;
   package OSP renames System.OS_Primitives;

   -----------------
   -- Delay_Until --
   -----------------

   procedure Delay_Until (T : Time) is
   begin
      STPO.Timed_Delay (STPO.Self, To_Duration (T), OSP.Absolute_RT);
   end Delay_Until;

   -----------------
   -- To_Duration --
   -----------------

   function To_Duration (T : Time) return Duration is
   begin
      return To_Duration (Time_Span (T));
   end To_Duration;

end Ada.Real_Time.Delays;
