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-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 2018, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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/>. --
-- --
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-- This package contains a task which performs blocking work, and a protected
-- object which is used to share the result of the work with the rest of the
-- UI.
-- NOTE: no GtkAda package can be withed in this package: the project does
-- not do a "with" of gtkada.gpr. This is intended, as a safety measure, to
-- make sure it's not possible to inadvertently do Gtk+ calls from within
-- a task.
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
with Ada.Containers.Synchronized_Queue_Interfaces;
with Ada.Containers.Unbounded_Synchronized_Queues;
package Task_Worker is
type Work_Item is record
Some_Data : Unbounded_String;
end record;
-- This type represents the data being generated by the task
package Work_Item_Queues_Interface
is new Ada.Containers.Synchronized_Queue_Interfaces (Work_Item);
package Work_Item_Queues
is new Ada.Containers.Unbounded_Synchronized_Queues
(Work_Item_Queues_Interface);
Queue : Work_Item_Queues.Queue;
-- The protected type used to pass information from the task to the UI
procedure Run_Task;
-- This starts a task which produces work, in a blocking manner.
-- The resulting work is enqueued in The_Queue.
end Task_Worker;