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Diffstat (limited to 'gcc/ada/a-retide.adb')
-rw-r--r-- | gcc/ada/a-retide.adb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/ada/a-retide.adb b/gcc/ada/a-retide.adb new file mode 100644 index 00000000000..4f33a429f9d --- /dev/null +++ b/gcc/ada/a-retide.adb @@ -0,0 +1,66 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |