------------------------------------------------------------------------------
-- --
-- GLADE COMPONENTS --
-- --
-- S Y S T E M . R P C . S T R E A M _ I O --
-- --
-- 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 --
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-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
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------------------------------------------------------------------------------
with Ada.Streams;
package System.RPC.Stream_IO is
pragma Elaborate_Body;
-- This package provides message passing facilities by using streams.
-- When a partition P1 wants to send data to another partition P2, it
-- can open a stream with partition P1 and can send its data using
-- 'Write attributes. P2 can open a stream with P1 to receive this
-- data by using 'Read attributes.
Any_Partition : constant System.RPC.Partition_ID;
type Stream_Mode is (In_Mode, Out_Mode);
Stream_Error : exception;
type Partition_Stream_Type is
new Ada.Streams.Root_Stream_Type with private;
procedure Open
(Stream : in out Partition_Stream_Type;
Partition : System.RPC.Partition_ID;
Mode : Stream_Mode);
procedure Close
(Stream : in out Partition_Stream_Type);
procedure Read
(Stream : in out Partition_Stream_Type;
Item : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset);
-- Similar to Ada.Streams.Stream_IO.Read
procedure Write
(Stream : in out Partition_Stream_Type;
Item : Ada.Streams.Stream_Element_Array);
-- Similar to Ada.Streams.Stream_IO.Write
procedure Initialize;
-- Initialize this module
private
Any_Partition : constant System.RPC.Partition_ID
:= System.RPC.Partition_ID'First;
type Partition_Stream_Type is
new Ada.Streams.Root_Stream_Type with
record
PID : System.RPC.Partition_ID;
Open : Boolean := False;
end record;
end System.RPC.Stream_IO;