gcc/ada/s-parint.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --            S Y S T E M . P A R T I T I O N _ I N T E R F A C E           --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 --                             $Revision: 1.1 $
  10 --                                                                          --
  11 --          Copyright (C) 1995-2000 Free Software Foundation, Inc.          --
  12 --                                                                          --
  13 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  14 -- terms of the  GNU General Public License as published  by the Free Soft- --
  15 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  16 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- for  more details.  You should have  received  a copy of the GNU General --
  20 -- Public License  distributed with GNARL; see file COPYING.  If not, write --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- As a special exception,  if other files  instantiate  generics from this --
  25 -- unit, or you link  this unit with other files  to produce an executable, --
  26 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  27 -- covered  by the  GNU  General  Public  License.  This exception does not --
  28 -- however invalidate  any other reasons why  the executable file  might be --
  29 -- covered by the  GNU Public License.                                      --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 with Ada.Exceptions;
  37 with Interfaces;
  38 with System.RPC;
  39
  40 package System.Partition_Interface is
  41
  42    pragma Elaborate_Body;
  43
  44    type Subprogram_Id is new Natural;
  45    --  This type is used exclusively by stubs
  46
  47    subtype Unit_Name is String;
  48    --  Name of Ada units
  49
  50    type Main_Subprogram_Type is access procedure;
  51
  52    type RACW_Stub_Type is tagged record
  53       Origin       : RPC.Partition_ID;
  54       Receiver     : Interfaces.Unsigned_64;
  55       Addr         : Interfaces.Unsigned_64;
  56       Asynchronous : Boolean;
  57    end record;
  58    type RACW_Stub_Type_Access is access RACW_Stub_Type;
  59    --  This type is used by the expansion to implement distributed objects.
  60    --  Do not change its definition or its layout without updating
  61    --  exp_dist.adb.
  62
  63    procedure Check
  64      (Name    : in Unit_Name;
  65       Version : in String;
  66       RCI     : in Boolean := True);
  67    --  Use by the main subprogram to check that a remote receiver
  68    --  unit has has the same version than the caller's one.
  69
  70    function Get_Active_Partition_ID
  71      (Name : Unit_Name)
  72       return RPC.Partition_ID;
  73    --  Similar in some respects to RCI_Info.Get_Active_Partition_ID
  74
  75    function Get_Active_Version
  76       (Name : Unit_Name)
  77        return String;
  78    --  Similar in some respects to Get_Active_Partition_ID
  79
  80    function Get_Local_Partition_ID return RPC.Partition_ID;
  81    --  Return the Partition_ID of the current partition
  82
  83    function Get_Passive_Partition_ID
  84      (Name : Unit_Name)
  85      return RPC.Partition_ID;
  86    --  Return the Partition_ID of the given shared passive partition
  87
  88    function Get_Passive_Version (Name : Unit_Name) return String;
  89    --  Return the version corresponding to a shared passive unit
  90
  91    function Get_RCI_Package_Receiver
  92      (Name : Unit_Name)
  93       return Interfaces.Unsigned_64;
  94    --  Similar in some respects to RCI_Info.Get_RCI_Package_Receiver
  95
  96    procedure Get_Unique_Remote_Pointer
  97      (Handler : in out RACW_Stub_Type_Access);
  98    --  Get a unique pointer on a remote object
  99
 100    procedure Launch
 101      (Rsh_Command  : in String;
 102       Name_Is_Host : in Boolean;
 103       General_Name : in String;
 104       Command_Line : in String);
 105    --  General_Name represents the name of the machine or the name of the
 106    --  partition (depending on the value of Name_Is_Host). Command_Line
 107    --  holds the extra options that will be given on the command line.
 108    --  Rsh_Command is typically "rsh", that will be used to launch the
 109    --  other partition.
 110
 111    procedure Raise_Program_Error_For_E_4_18;
 112    pragma No_Return (Raise_Program_Error_For_E_4_18);
 113    --  Raise Program_Error with an error message explaining why it has been
 114    --  raised. The rule in E.4 (18) is tricky and misleading for most users
 115    --  of the distributed systems annex.
 116
 117    procedure Raise_Program_Error_Unknown_Tag
 118      (E : in Ada.Exceptions.Exception_Occurrence);
 119    pragma No_Return (Raise_Program_Error_Unknown_Tag);
 120    --  Raise Program_Error with the same message as E one
 121
 122    procedure Register_Receiving_Stub
 123      (Name     : in Unit_Name;
 124       Receiver : in RPC.RPC_Receiver;
 125       Version  : in String := "");
 126    --  Register the fact that the Name receiving stub is now elaborated.
 127    --  Register the access value to the package RPC_Receiver procedure.
 128
 129    procedure Register_Passive_Package
 130      (Name    : in Unit_Name;
 131       Version : in String := "");
 132    --  Register a passive package
 133
 134    generic
 135       RCI_Name : String;
 136    package RCI_Info is
 137       function Get_RCI_Package_Receiver return Interfaces.Unsigned_64;
 138       function Get_Active_Partition_ID return RPC.Partition_ID;
 139    end RCI_Info;
 140    --  RCI package information caching
 141
 142    procedure Run (Main : in Main_Subprogram_Type := null);
 143    --  Run the main subprogram
 144
 145 end System.Partition_Interface;