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