gcc/ada/libgnarl/a-tasini.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
   4 --                                                                          --
   5 --              A D A . T A S K _ I N I T I A L I Z A T I O N               --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 --             Copyright (C) 2020-2023, Free Software Foundation, Inc.      --
  10 --                                                                          --
  11 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 ------------------------------------------------------------------------------
  28
  29 --  This package provides a way to set up a global initialization handler
  30 --  when tasks start.
  31
  32 package Ada.Task_Initialization is
  33    pragma Preelaborate;
  34    pragma No_Elaboration_Code_All;
  35
  36    type Initialization_Handler is access procedure;
  37
  38    procedure Set_Initialization_Handler (Handler : Initialization_Handler);
  39    --  Set the global task initialization handler to Handler.
  40    --  Note that only tasks created after this procedure is called will trigger
  41    --  a call to Handler. You can use Ada's elaboration rules and pragma
  42    --  Elaborate_All, or the pragma Linker_Constructor to ensure this
  43    --  procedure is called early.
  44
  45 private
  46    pragma Favor_Top_Level (Initialization_Handler);
  47 end Ada.Task_Initialization;