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TextFile

--    The use of this system is subject to the software license terms and
--    conditions agreed upon between Rational and the Customer.
--
--                Copyright 1988 by Rational.
--
--                          RESTRICTED RIGHTS LEGEND
--
--    Use, duplication, or disclosure by the Government is subject to
--    restrictions as set forth in subdivision (b)(3)(ii) of the Rights in
--    Technical Data and Computer Software clause at 52.227-7013.
--
--
--                Rational
--                3320 Scott Boulevard
--                Santa Clara, California 95054-3197
--
--   PROPRIETARY AND CONFIDENTIAL INFORMATION OF RATIONAL;
--   USE OR COPYING WITHOUT EXPRESS WRITTEN AUTHORIZATION
--   IS STRICTLY PROHIBITED.  THIS MATERIAL IS PROTECTED AS
--   AN UNPUBLISHED WORK UNDER THE U.S. COPYRIGHT ACT OF
--   1976.  CREATED 1988.  ALL RIGHTS RESERVED.
--
--

with Message_Queues;
with Runtime_Ids;

package Interprogram_Communications is

    subtype Buffer_Address    is Integer;
    subtype Parameter_Address is Integer;
    type    Message_Slot_Data is new Integer;


    procedure Handle_Protocol (Buffer         : in out Buffer_Address;
                               Slot_Data      : Message_Slot_Data;
                               Queue_Data     : Message_Queues.Associated_Data;
                               Parameters     : out Parameter_Address;
                               Ignore_Message : out Boolean);
    -- Handle protocol and any other message processing for an
    -- IPC message.

    procedure Release_Buffer (The_Buffer : Buffer_Address;
                              Slot_Data  : Message_Slot_Data);
    -- Release the storage for a buffer constructed by Handle_Protocol.

    procedure Evacuate_Queue (The_Queue  : Message_Queues.Id;
                              Queue_Data : Message_Queues.Associated_Data);
    -- Clear all IPC messages from an IPC queue.

private

    pragma Interface (Asm, Handle_Protocol);
    pragma Import_Procedure (Internal  => Handle_Protocol,
                             External  => "__IPC_HANDLE_PROTOCOL",
                             Mechanism => (Value, Value, Value, Value, Value));

    pragma Interface (Asm, Release_Buffer);
    pragma Import_Procedure (Internal  => Release_Buffer,
                             External  => "__IPC_RELEASE_BUFFER",
                             Mechanism => (Value, Value));

    pragma Interface (Asm, Evacuate_Queue);
    pragma Import_Procedure (Internal  => Evacuate_Queue,
                             External  => "__IPC_EVACUATE_QUEUE",
                             Mechanism => (Reference, Value));

end Interprogram_Communications;
pragma Export_Elaboration_Procedure ("__IPC_SPEC_ELAB");
pragma Runtime_Unit (Unit_Number         => Runtime_Ids.Runtime_Compunit,
                     Elab_Routine_Number => Runtime_Ids.Internal);