6cbcc54138
* xeinfo.adb: Don't look for revision numbers. * xnmake.adb: Likewise. * xsinfo.adb: Likewise. * xsnames.adb: Likewise. * xtreeprs.adb: Likewise. From-SVN: r50768
162 lines
5.5 KiB
Ada
162 lines
5.5 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . T A S K _ I D E N T I F I C A T I O N --
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-- --
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-- B o d y --
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-- --
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-- --
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-- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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with System.Address_Image;
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-- used for the function itself
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with System.Tasking;
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-- used for Task_List
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with System.Tasking.Stages;
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-- used for Terminated
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-- Abort_Tasks
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with System.Tasking.Rendezvous;
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-- used for Callable
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with System.Task_Primitives.Operations;
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-- used for Self
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with System.Task_Info;
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use type System.Task_Info.Task_Image_Type;
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with Unchecked_Conversion;
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package body Ada.Task_Identification is
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-----------------------
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-- Local Subprograms --
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-----------------------
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function Convert_Ids (T : Task_Id) return System.Tasking.Task_ID;
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function Convert_Ids (T : System.Tasking.Task_ID) return Task_Id;
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pragma Inline (Convert_Ids);
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-- Conversion functions between different forms of Task_Id
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---------
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-- "=" --
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---------
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function "=" (Left, Right : Task_Id) return Boolean is
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begin
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return System.Tasking."=" (Convert_Ids (Left), Convert_Ids (Right));
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end "=";
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-----------------
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-- Abort_Task --
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----------------
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procedure Abort_Task (T : Task_Id) is
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begin
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if T = Null_Task_Id then
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raise Program_Error;
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else
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System.Tasking.Stages.Abort_Tasks
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(System.Tasking.Task_List'(1 => Convert_Ids (T)));
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end if;
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end Abort_Task;
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-----------------
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-- Convert_Ids --
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-----------------
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function Convert_Ids (T : Task_Id) return System.Tasking.Task_ID is
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begin
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return System.Tasking.Task_ID (T);
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end Convert_Ids;
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function Convert_Ids (T : System.Tasking.Task_ID) return Task_Id is
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begin
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return Task_Id (T);
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end Convert_Ids;
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------------------
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-- Current_Task --
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------------------
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function Current_Task return Task_Id is
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begin
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return Convert_Ids (System.Task_Primitives.Operations.Self);
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end Current_Task;
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-----------
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-- Image --
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-----------
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function Image (T : Task_Id) return String is
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use System.Task_Info;
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function To_Address is new
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Unchecked_Conversion (Task_Id, System.Address);
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begin
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if T = Null_Task_Id then
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return "";
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elsif T.Common.Task_Image = null then
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return System.Address_Image (To_Address (T));
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else
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return T.Common.Task_Image.all
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& "_" & System.Address_Image (To_Address (T));
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end if;
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end Image;
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-----------------
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-- Is_Callable --
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-----------------
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function Is_Callable (T : Task_Id) return Boolean is
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begin
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if T = Null_Task_Id then
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raise Program_Error;
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else
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return System.Tasking.Rendezvous.Callable (Convert_Ids (T));
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end if;
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end Is_Callable;
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-------------------
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-- Is_Terminated --
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-------------------
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function Is_Terminated (T : Task_Id) return Boolean is
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begin
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if T = Null_Task_Id then
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raise Program_Error;
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else
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return System.Tasking.Stages.Terminated (Convert_Ids (T));
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end if;
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end Is_Terminated;
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end Ada.Task_Identification;
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