Ada 编程/库/Ada.Dispatching.EDF

此语言特性仅在 Ada 2005 及更高版本中可用。

Ada.Dispatching.EDF 是预定义语言环境的一个单元，从 Ada 2005 开始。

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规范

--                     Standard Ada library specification
--   Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com>
--   Copyright (c) 2004-2016 AXE Consultants
--   Copyright (c) 2004, 2005, 2006 Ada-Europe
--   Copyright (c) 2000 The MITRE Corporation, Inc.
--   Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc.
--   SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual
-- -------------------------------------------------------------------------

with Ada.Real_Time;
with Ada.Task_Identification;

package Ada.Dispatching.EDF is

   subtype Deadline is Ada.Real_Time.Time;

   Default_Deadline : constant Deadline := Ada.Real_Time.Time_Last;

   procedure Set_Deadline (D : in Deadline;
                           T : in Ada.Task_Identification.Task_Id
                             := Ada.Task_Identification.Current_Task);

   procedure Delay_Until_And_Set_Deadline
    (Delay_Until_Time : in Ada.Real_Time.Time;
     Deadline_Offset  : in Ada.Real_Time.Time_Span);

   function Get_Deadline (T : Ada.Task_Identification.Task_Id
                            := Ada.Task_Identification.Current_Task)
     return Deadline;

end Ada.Dispatching.EDF;