------------------------------------------------------------------------------ -- -- -- GLADE COMPONENTS -- -- -- -- S Y S T E M . P A R T I T I O N _ I N T E R F A C E -- -- -- -- S p e c -- -- -- -- Copyright (C) 1996-2020 Free Software Foundation, Inc. -- -- -- -- GARLIC is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GARLIC is distributed in the hope that it will be useful, but -- -- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABI- -- -- LITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -- -- License for more details. You should have received a copy of the GNU -- -- General Public License distributed with GARLIC; see file COPYING. If -- -- not, write to the Free Software Foundation, 59 Temple Place - Suite 330, -- -- Boston, MA 02111-1307, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- ------------------------------------------------------------------------------ with Ada.Exceptions; with Ada.Streams; with Interfaces; with System.RPC; with System.Garlic.Units; package System.Partition_Interface is pragma Elaborate_Body; PCS_Version : constant := 1; type DSA_Implementation_Name is (No_DSA, GARLIC_DSA, PolyORB_DSA); DSA_Implementation : constant DSA_Implementation_Name := GARLIC_DSA; subtype Subprogram_Id is System.Garlic.Units.Subprogram_Id; subtype Unit_Name is String; -- Name of Ada units type Main_Subprogram_Type is access procedure; type RACW_Stub_Type is tagged record Origin : RPC.Partition_ID; Receiver : Interfaces.Unsigned_64; Addr : Interfaces.Unsigned_64; Asynchronous : Boolean; end record; type RACW_Stub_Type_Access is access RACW_Stub_Type; pragma No_Strict_Aliasing (RACW_Stub_Type_Access); -- This type is used by the expansion to implement distributed objects. -- Do not change its definition or its layout without updating -- exp_dist.adb. type RAS_Proxy_Type is tagged limited record All_Calls_Remote : Boolean; Receiver : System.Address; Subp_Id : Subprogram_Id; end record; type RAS_Proxy_Type_Access is access RAS_Proxy_Type; pragma No_Strict_Aliasing (RAS_Proxy_Type_Access); -- This type is used by the expansion to implement distributed objects. -- Do not change its definition or its layout without updating -- Exp_Dist.Build_Remote_Supbrogram_Proxy_Type. -- The Request_Access type is used for communication between the PCS -- and the RPC receiver generated by the compiler: it contains all the -- necessary information for the receiver to process an incoming call. type RST_Access is access all Ada.Streams.Root_Stream_Type'Class; type Request_Access is record Params : RST_Access; -- A stream describing the called subprogram and its parameters Result : RST_Access; -- A strema where the result, raised exception, or out values, -- are marshalled. end record; type RPC_Receiver is access procedure (Request : Request_Access); procedure Check (Name : Unit_Name; Version : String; RCI : Boolean := True); -- Use by the main subprogram to check that a remote receiver unit -- has has the same version than the caller's one. It is also used -- to check the consistency of a passive unit located on a passive -- partition. function Same_Partition (Left : access RACW_Stub_Type; Right : access RACW_Stub_Type) return Boolean; -- Determine whether Left and Right correspond to objects instantiated -- on the same partition, for enforcement of E.4(19). procedure Register_Passive_Partition (Partition : out RPC.Partition_ID; Name : String; Location : String); -- Register a passive partition as it cannot register itself. To -- avoid conflicts due to multiple registrations, the partition -- name is used as a key. If the partition is already declared, -- then ignored request. If not, create a factory for this -- partition using its location. procedure Register_Passive_Package_On_Passive_Partition (Partition : RPC.Partition_ID; Name : String; Version : String := ""); -- Register a passive package configured on a passive -- partition. As a passive partition has no elaboration code, each -- partition using this package performs the registration itself. procedure Elaborate_Passive_Partition (Partition : RPC.Partition_ID); -- Register all the units of this partition on the boot server and -- check that these units are uniquely defined. function Get_Active_Partition_ID (Name : Unit_Name) return System.RPC.Partition_ID; -- Similar in some respects to RCI_Locator.Get_Active_Partition_ID -- XXXXX: Rename it in Get_RCI_Partition_ID function Get_Active_Version (Name : Unit_Name) return String; -- Similar in some respects to Get_Active_Partition_ID -- XXXXX: Rename it in Get_RCI_Version function Get_Local_Partition_ID return RPC.Partition_ID; -- Return the Partition_ID of the current partition function Get_Partition_Name (Partition : Integer) return String; -- Return the name of the partition function Get_Passive_Partition_ID (Name : Unit_Name) return System.RPC.Partition_ID; -- Return the Partition_ID of the given shared passive partition -- XXXXX: Rename it in Get_SP_Partition_ID function Get_Passive_Version (Name : Unit_Name) return String; -- Return the version corresponding to a shared passive unit -- XXXXX: Rename it in Get_SP_Version function Get_RCI_Package_Receiver (Name : Unit_Name) return Interfaces.Unsigned_64; -- Similar in some respects to RCI_Locator.Get_RCI_Package_Receiver procedure Register_Receiving_Stub (Name : Unit_Name; Receiver : RPC_Receiver; Version : String := ""; Subp_Info : System.Address; Subp_Info_Len : Integer); -- Register the fact that the Name receiving stub is now elaborated. -- Register the access value to the package RPC_Receiver procedure. procedure Get_RAS_Info (Name : Unit_Name; Subp_Id : Subprogram_Id; Proxy_Address : out Interfaces.Unsigned_64); -- Look up the address of the proxy object for the given subprogram -- in the named unit, or Null_Address if not present on the local -- partition. procedure Register_Passive_Package (Name : Unit_Name; Version : String := ""); -- Register a shared passive package during its elaboration. procedure Get_Unique_Remote_Pointer (Handler : in out RACW_Stub_Type_Access); -- Get a unique pointer on a remote object procedure Raise_Program_Error_For_E_4_18; pragma No_Return (Raise_Program_Error_For_E_4_18); -- Raise Program_Error with an error message explaining why it has been -- raised. The rule in E.4 (18) is tricky and misleading for most users -- of the distributed systems annex. procedure Raise_Program_Error_Unknown_Tag (E : Ada.Exceptions.Exception_Occurrence); pragma No_Return (Raise_Program_Error_Unknown_Tag); -- Raise Program_Error with the same message as E one generic RCI_Name : String; Version : String; package RCI_Locator is pragma Unreferenced (Version); function Get_RCI_Package_Receiver return Interfaces.Unsigned_64; function Get_Active_Partition_ID return RPC.Partition_ID; -- XXXXX: Rename it in Get_RCI_Partition_ID end RCI_Locator; -- RCI package information caching subtype RCI_Subp_Info is System.Garlic.Units.RCI_Subp_Info; subtype RCI_Subp_Info_Array is System.Garlic.Units.RCI_Subp_Info_Array; procedure Run (Main : Main_Subprogram_Type := null); -- Run the main subprogram end System.Partition_Interface;