gcc/ada/s-asthan.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                  S Y S T E M . A S T _ H A N D L I N G                   --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --            Copyright (C) 1996 Free Software Foundation, Inc.             --
  10 --                                                                          --
  11 -- GNAT 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 2,  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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  Runtime support for Handling of AST's (Used on VMS implementations only)
  35
  36
  37 with Ada.Task_Identification;
  38 with System;
  39 with System.Aux_DEC;
  40
  41 package System.AST_Handling is
  42
  43    function Create_AST_Handler
  44      (Taskid  : Ada.Task_Identification.Task_Id;
  45       Entryno : Natural)
  46       return    System.Aux_DEC.AST_Handler;
  47    --  This function implements the appropriate semantics for a use of the
  48    --  AST_Entry pragma. See body for details of implementation approach.
  49    --  The parameters are the Task_Id for the task containing the entry
  50    --  and the entry Index for the specified entry.
  51
  52    procedure Expand_AST_Packet_Pool
  53      (Requested_Packets : in Natural;
  54       Actual_Number     : out Natural;
  55       Total_Number      : out Natural);
  56    --  This function takes a request for zero or more extra AST packets and
  57    --  returns the number actually added to the pool and the total number
  58    --  now available or in use.
  59    --  This function is not yet fully implemented.
  60
  61 end System.AST_Handling;