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1996-09-28
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3KB
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96 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . T A S K _ I D E N T I F I C A T I O N --
-- --
-- B o d y --
-- --
-- $Revision: 1.7 $ --
-- --
-- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with System.Address_Image;
with System.Tasking.Abortion;
with System.Tasking.Stages;
with System.Tasking.Rendezvous;
with Unchecked_Conversion;
package body Ada.Task_Identification is
---------
-- "=" --
---------
function "=" (Left, Right : Task_Id) return Boolean is
begin
return System.Tasking."=" (Convert_Ids (Left), Convert_Ids (Right));
end "=";
-----------------
-- Abort_Task --
----------------
procedure Abort_Task (T : in out Task_Id) is
begin
System.Tasking.Abortion.Abort_Tasks
(System.Tasking.Task_List'(1 => Convert_Ids (T)));
end Abort_Task;
------------------
-- Current_Task --
------------------
function Current_Task return Task_Id is
begin
return Convert_Ids (System.Tasking.Self);
end Current_Task;
-----------
-- Image --
-----------
function Image (T : Task_Id) return String is
function To_Address is new
Unchecked_Conversion (Task_Id, System.Address);
begin
return System.Address_Image (To_Address (T));
end Image;
-----------------
-- Is_Callable --
-----------------
function Is_Callable (T : Task_Id) return Boolean is
begin
return System.Tasking.Rendezvous.Callable (Convert_Ids (T));
end Is_Callable;
-------------------
-- Is_Terminated --
-------------------
function Is_Terminated (T : Task_Id) return Boolean is
begin
return
System.Tasking.Stages.Terminated (Convert_Ids (T));
end Is_Terminated;
end Ada.Task_Identification;