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Diffstat (limited to 'gcc/ada/s-tadert.adb')
-rw-r--r-- | gcc/ada/s-tadert.adb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/ada/s-tadert.adb b/gcc/ada/s-tadert.adb new file mode 100644 index 00000000000..a44a810adff --- /dev/null +++ b/gcc/ada/s-tadert.adb @@ -0,0 +1,59 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |