-- --
-- S p e c --
-- --
--- $Revision: 1.21 $
--- --
--- Copyright (C) 1995-2000 Free Software Foundation, Inc. --
+-- Copyright (C) 1995-2006, Free Software Foundation, Inc. --
-- --
-- GNARL 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- --
-- 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 GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, 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, --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
+-- This unit may be used directly from an application program by providing
+-- an appropriate WITH, and the interface can be expected to remain stable.
+
with Ada.Exceptions;
+with Ada.Streams;
with Interfaces;
with System.RPC;
pragma Elaborate_Body;
+ type DSA_Implementation_Name is (No_DSA, GARLIC_DSA, PolyORB_DSA);
+ DSA_Implementation : constant DSA_Implementation_Name := No_DSA;
+
+ -- RCI receiving stubs contain a table of descriptors for
+ -- all user subprograms exported by the unit.
+
type Subprogram_Id is new Natural;
- -- This type is used exclusively by stubs
+ First_RCI_Subprogram_Id : constant := 2;
+
+ type RCI_Subp_Info is record
+ Addr : System.Address;
+ -- Local address of the proxy object
+ end record;
+
+ type RCI_Subp_Info_Access is access all RCI_Subp_Info;
+ type RCI_Subp_Info_Array is array (Integer range <>) of
+ aliased RCI_Subp_Info;
subtype Unit_Name is String;
-- Name of Ada units
Addr : Interfaces.Unsigned_64;
Asynchronous : Boolean;
end record;
+
type RACW_Stub_Type_Access is access RACW_Stub_Type;
-- 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 stream where the result, raised exception, or out values,
+ -- are marshalled.
+ end record;
+
procedure Check
- (Name : in Unit_Name;
- Version : in String;
- RCI : in Boolean := True);
+ (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.
- function Get_Active_Partition_ID
- (Name : Unit_Name)
- return RPC.Partition_ID;
- -- Similar in some respects to RCI_Info.Get_Active_Partition_ID
+ function Same_Partition
+ (Left : not null access RACW_Stub_Type;
+ Right : not null 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).
+
+ function Get_Active_Partition_ID (Name : Unit_Name) return RPC.Partition_ID;
+ -- Similar in some respects to RCI_Locator.Get_Active_Partition_ID
- function Get_Active_Version
- (Name : Unit_Name)
- return String;
+ function Get_Active_Version (Name : Unit_Name) return String;
-- Similar in some respects to Get_Active_Partition_ID
function Get_Local_Partition_ID return RPC.Partition_ID;
-- Return the Partition_ID of the current partition
function Get_Passive_Partition_ID
- (Name : Unit_Name)
- return RPC.Partition_ID;
+ (Name : Unit_Name) return RPC.Partition_ID;
-- Return the Partition_ID of the given shared passive partition
function Get_Passive_Version (Name : Unit_Name) return String;
-- Return the version corresponding to a shared passive unit
function Get_RCI_Package_Receiver
- (Name : Unit_Name)
- return Interfaces.Unsigned_64;
- -- Similar in some respects to RCI_Info.Get_RCI_Package_Receiver
+ (Name : Unit_Name) return Interfaces.Unsigned_64;
+ -- Similar in some respects to RCI_Locator.Get_RCI_Package_Receiver
procedure Get_Unique_Remote_Pointer
(Handler : in out RACW_Stub_Type_Access);
-- Get a unique pointer on a remote object
- procedure Launch
- (Rsh_Command : in String;
- Name_Is_Host : in Boolean;
- General_Name : in String;
- Command_Line : in String);
- -- General_Name represents the name of the machine or the name of the
- -- partition (depending on the value of Name_Is_Host). Command_Line
- -- holds the extra options that will be given on the command line.
- -- Rsh_Command is typically "rsh", that will be used to launch the
- -- other partition.
-
- 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 : in Ada.Exceptions.Exception_Occurrence);
+ (E : Ada.Exceptions.Exception_Occurrence);
pragma No_Return (Raise_Program_Error_Unknown_Tag);
-- Raise Program_Error with the same message as E one
+ type RPC_Receiver is access procedure (R : Request_Access);
procedure Register_Receiving_Stub
- (Name : in Unit_Name;
- Receiver : in RPC.RPC_Receiver;
- Version : in String := "");
+ (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 : in Unit_Name;
- Version : in String := "");
+ (Name : Unit_Name;
+ Version : String := "");
-- Register a passive package
generic
RCI_Name : String;
- package RCI_Info is
+ 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;
- end RCI_Info;
+ end RCI_Locator;
-- RCI package information caching
- procedure Run (Main : in Main_Subprogram_Type := null);
+ procedure Run (Main : Main_Subprogram_Type := null);
-- Run the main subprogram
end System.Partition_Interface;
OSDN Git Service
