+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME 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: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
--- --
--- 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 2, 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with System.Address_Image;
--- used for the function itself
-
-with System.Tasking;
--- used for Task_List
-
-with System.Tasking.Stages;
--- used for Terminated
--- Abort_Tasks
-
-with System.Tasking.Rendezvous;
--- used for Callable
-
-with System.Task_Primitives.Operations;
--- used for Self
-
-with System.Task_Info;
-use type System.Task_Info.Task_Image_Type;
-
-with Unchecked_Conversion;
-
-package body Ada.Task_Identification is
-
- -----------------------
- -- Local Subprograms --
- -----------------------
-
- function Convert_Ids (T : Task_Id) return System.Tasking.Task_ID;
- function Convert_Ids (T : System.Tasking.Task_ID) return Task_Id;
- pragma Inline (Convert_Ids);
- -- Conversion functions between different forms of Task_Id
-
- ---------
- -- "=" --
- ---------
-
- 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 : Task_Id) is
- begin
- if T = Null_Task_Id then
- raise Program_Error;
- else
- System.Tasking.Stages.Abort_Tasks
- (System.Tasking.Task_List'(1 => Convert_Ids (T)));
- end if;
- end Abort_Task;
-
- -----------------
- -- Convert_Ids --
- -----------------
-
- function Convert_Ids (T : Task_Id) return System.Tasking.Task_ID is
- begin
- return System.Tasking.Task_ID (T);
- end Convert_Ids;
-
- function Convert_Ids (T : System.Tasking.Task_ID) return Task_Id is
- begin
- return Task_Id (T);
- end Convert_Ids;
-
- ------------------
- -- Current_Task --
- ------------------
-
- function Current_Task return Task_Id is
- begin
- return Convert_Ids (System.Task_Primitives.Operations.Self);
- end Current_Task;
-
- -----------
- -- Image --
- -----------
-
- function Image (T : Task_Id) return String is
- use System.Task_Info;
- function To_Address is new
- Unchecked_Conversion (Task_Id, System.Address);
-
- begin
- if T = Null_Task_Id then
- return "";
-
- elsif T.Common.Task_Image = null then
- return System.Address_Image (To_Address (T));
-
- else
- return T.Common.Task_Image.all
- & "_" & System.Address_Image (To_Address (T));
- end if;
- end Image;
-
- -----------------
- -- Is_Callable --
- -----------------
-
- function Is_Callable (T : Task_Id) return Boolean is
- begin
- if T = Null_Task_Id then
- raise Program_Error;
- else
- return System.Tasking.Rendezvous.Callable (Convert_Ids (T));
- end if;
- end Is_Callable;
-
- -------------------
- -- Is_Terminated --
- -------------------
-
- function Is_Terminated (T : Task_Id) return Boolean is
- begin
- if T = Null_Task_Id then
- raise Program_Error;
- else
- return System.Tasking.Stages.Terminated (Convert_Ids (T));
- end if;
- end Is_Terminated;
-
-end Ada.Task_Identification;
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