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 --
10 -- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
12 -- GNARL is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNARL; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNARL was developed by the GNARL team at Florida State University. --
31 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
33 ------------------------------------------------------------------------------
35 with System.Task_Primitives.Operations;
36 -- Used for Timed_Delay
38 package body Ada.Real_Time.Delays is
40 package STPO renames System.Task_Primitives.Operations;
42 Absolute_RT : constant := 2;
48 procedure Delay_Until (T : Time) is
50 STPO.Timed_Delay (STPO.Self, To_Duration (T), Absolute_RT);
57 function To_Duration (T : Time) return Duration is
59 return To_Duration (Time_Span (T));
62 end Ada.Real_Time.Delays;