1 ------------------------------------------------------------------------------
3 -- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
5 -- A D A . R E A L _ T I M E . D E L A Y S --
11 -- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
13 -- GNARL is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNARL; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNARL was developed by the GNARL team at Florida State University. It is --
32 -- now maintained by Ada Core Technologies, Inc. (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 with System.Task_Primitives.Operations;
37 -- Used for Timed_Delay
39 package body Ada.Real_Time.Delays is
41 package STPO renames System.Task_Primitives.Operations;
43 Absolute_RT : constant := 2;
49 procedure Delay_Until (T : Time) is
51 STPO.Timed_Delay (STPO.Self, To_Duration (T), Absolute_RT);
58 function To_Duration (T : Time) return Duration is
60 return To_Duration (Time_Span (T));
63 end Ada.Real_Time.Delays;