gcc/ada/a-taside.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --              A D A . T A S K _ I D E N T I F I C A T I O N               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.1 $
  10 --                                                                          --
  11 --          Copyright (C) 1992-2000 Free Software Foundation, Inc.          --
  12 --                                                                          --
  13 -- This specification is derived from the Ada Reference Manual for use with --
  14 -- GNAT. The copyright notice above, and the license provisions that follow --
  15 -- apply solely to the  contents of the part following the private keyword. --
  16 --                                                                          --
  17 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  18 -- terms of the  GNU General Public License as published  by the Free Soft- --
  19 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  20 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  21 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  22 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  23 -- for  more details.  You should have  received  a copy of the GNU General --
  24 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  25 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  26 -- MA 02111-1307, USA.                                                      --
  27 --                                                                          --
  28 -- As a special exception,  if other files  instantiate  generics from this --
  29 -- unit, or you link  this unit with other files  to produce an executable, --
  30 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  31 -- covered  by the  GNU  General  Public  License.  This exception does not --
  32 -- however invalidate  any other reasons why  the executable file  might be --
  33 -- covered by the  GNU Public License.                                      --
  34 --                                                                          --
  35 -- GNAT was originally developed  by the GNAT team at  New York University. --
  36 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  37 --                                                                          --
  38 ------------------------------------------------------------------------------
  39
  40 with System;
  41 with System.Tasking;
  42
  43 package Ada.Task_Identification is
  44
  45    type Task_Id is private;
  46
  47    Null_Task_Id : constant Task_Id;
  48
  49    function  "=" (Left, Right : Task_Id) return Boolean;
  50    pragma Inline ("=");
  51
  52    function Image (T : Task_Id) return String;
  53
  54    function Current_Task return Task_Id;
  55    pragma Inline (Current_Task);
  56
  57    procedure Abort_Task (T : Task_Id);
  58    pragma Inline (Abort_Task);
  59    --  Note: parameter is mode IN, not IN OUT, per AI-00101.
  60
  61    function Is_Terminated (T : Task_Id) return Boolean;
  62    pragma Inline (Is_Terminated);
  63
  64    function Is_Callable (T : Task_Id) return Boolean;
  65    pragma Inline (Is_Callable);
  66
  67 private
  68
  69    type Task_Id is new System.Tasking.Task_ID;
  70
  71    Null_Task_ID : constant Task_Id := Task_Id (System.Tasking.Null_Task);
  72
  73 end Ada.Task_Identification;