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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- A D A . C A L E N D A R . D E L A Y S --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2013, 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This package implements Calendar.Time delays using protected objects
+
+-- Note: the compiler generates direct calls to this interface, in the
+-- processing of time types.
+
+package Ada.Calendar.Delays is
+
+ procedure Delay_For (D : Duration);
+ -- Delay until an interval of length (at least) D seconds has passed, or
+ -- the task is aborted to at least the current ATC nesting level. This is
+ -- an abort completion point. The body of this procedure must perform all
+ -- the processing required for an abort point.
+
+ procedure Delay_Until (T : Time);
+ -- Delay until Clock has reached (at least) time T, or the task is aborted
+ -- to at least the current ATC nesting level. The body of this procedure
+ -- must perform all the processing required for an abort point.
+
+ function To_Duration (T : Time) return Duration;
+ -- Convert Time to Duration elapsed since UNIX epoch
+
+end Ada.Calendar.Delays;