------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- A D A . R E A L _ T I M E . D E L A Y S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2001-2023, AdaCore --
-- --
-- GNAT 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 System.Task_Primitives.Operations;
-- Used for Timed_Delay
-- Self
package body Ada.Real_Time.Delays is
package STPO renames System.Task_Primitives.Operations;
-----------------
-- Delay_Until --
-----------------
procedure Delay_Until (T : Time) is
begin
-- pragma Detect_Blocking is mandatory in this run time, so that
-- Program_Error must be raised if this delay (potentially blocking
-- operation) is called from a protected operation.
if STPO.Self.Common.Protected_Action_Nesting > 0 then
raise Program_Error;
else
STPO.Delay_Until (STPO.Time (T));
end if;
end Delay_Until;
-----------------
-- To_Duration --
-----------------
-- This function is not supposed to be used by the Ravenscar run time and
-- it is not supposed to be with'ed by the user either (because it is an
-- internal GNAT unit). It is kept here (returning a junk value) just for
-- sharing the same package specification with the regular run time.
function To_Duration (T : Time) return Duration is
pragma Unreferenced (T);
begin
return 0.0;
end To_Duration;
end Ada.Real_Time.Delays;