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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- SYSTEM.TASKING.ASYNC_DELAYS.ENQUEUE_CALENDAR --
-- --
-- B o d y --
-- --
-- Copyright (C) 1998-2009, 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 3, or (at your option) any later ver- --
-- sion. GNAT 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
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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