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------------------------------------------------------------------------------
-- --
-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- SYSTEM.TASKING.ASYNC_DELAYS.ENQUEUE_CALENDAR --
-- --
-- B o d y --
-- --
-- $Revision$
-- --
-- Copyright (C) 1998-2001 Free Software Foundation, 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.Calendar.Delays;
with System.Task_Primitives.Operations;
with System.Tasking.Initialization;
function System.Tasking.Async_Delays.Enqueue_Calendar
(T : Ada.Calendar.Time;
D : Delay_Block_Access)
return Boolean
is
use type Ada.Calendar.Time;
begin
if T <= Ada.Calendar.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.Calendar.Delays.To_Duration (T), D);
return True;
end System.Tasking.Async_Delays.Enqueue_Calendar;
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