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297 lines
7.1 KiB
297 lines
7.1 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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net\routing\ipx\sap\workers.h
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Abstract:
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Header file for agent work items
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Author:
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Vadim Eydelman 05-15-1995
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Revision History:
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--*/
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#ifndef _SAP_WORKERS_
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#define _SAP_WORKERS_
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// Max number of pending recv work items
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extern LONG MaxUnprocessedRequests;
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// Minimum number of queued recv requests
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extern LONG MinPendingRequests;
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// How often to check on pending triggered update
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extern ULONG TriggeredUpdateCheckInterval;
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// How many requests to send if no response received within check interval
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extern ULONG MaxTriggeredUpdateRequests;
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// Whether to respond for internal servers that are not registered with SAP
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// through the API calls (for standalone service only)
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extern ULONG RespondForInternalServers;
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// Delay in response to general reguests for specific server type
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// if local servers are included in the packet
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extern ULONG DelayResponseToGeneral;
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// Delay in sending change broadcasts if packet is not full
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extern ULONG DelayChangeBroadcast;
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// Workers that are enqueued for io processing
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typedef struct _IO_WORKER {
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WORKERFUNCTION worker;
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IO_PARAM_BLOCK io;
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} IO_WORKER, *PIO_WORKER;
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// Workers that are enqueued for timer processing
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typedef struct _TIMER_WORKER {
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WORKERFUNCTION worker;
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TM_PARAM_BLOCK tm;
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} TIMER_WORKER, *PTIMER_WORKER;
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// Workers that are enqueued to receive LPC request
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typedef struct _LPC_WORKER {
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WORKERFUNCTION worker;
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LPC_PARAM_BLOCK lpc;
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} LPC_WORKER, *PLPC_WORKER;
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/*
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VOID
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ScheduleWorkItem (
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WORKERFUNCTION *worker
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);
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*/
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#define ScheduleWorkItem(worker) RtlQueueWorkItem(*worker,worker,0)
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#define ProcessCompletedIORequest(ioreq) \
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ScheduleWorkItem (&CONTAINING_RECORD(ioreq,IO_WORKER,io)->worker)
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#define ProcessCompletedTimerRequest(tmreq) \
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ScheduleWorkItem (&CONTAINING_RECORD(tmreq,TIMER_WORKER,tm)->worker);
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#define ProcessCompletedLpcRequest(lpcreq) \
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ScheduleWorkItem (&CONTAINING_RECORD(lpcreq,LPC_WORKER,lpc)->worker)
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/*++
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*******************************************************************
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I n i t i a l i z e W o r k e r s
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Routine Description:
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Initialize heap to be used for allocation of work items
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Arguments:
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None
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Return Value:
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NO_ERROR - heap was initialized OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitializeWorkers (
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HANDLE RecvEvent
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);
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/*++
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*******************************************************************
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S h u t d o w n W o r k e r s
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Routine Description:
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Stops new worker creation and signals event when all
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workers are deleted
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Arguments:
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doneEvent - event to be signalled when all workers are deleted
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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ShutdownWorkers (
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IN HANDLE doneEvent
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);
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/*++
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*******************************************************************
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D e l e t e W o r k e r s
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Routine Description:
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Deletes heap used for work items
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Arguments:
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None
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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DeleteWorkers (
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void
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);
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VOID
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AddRecvRequests (
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LONG count
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);
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VOID
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RemoveRecvRequests (
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LONG count
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);
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/*++
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*******************************************************************
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I n i t R e q I t e m
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Routine Description:
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Allocate and initialize IO request item
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Enqueue the request
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Arguments:
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None
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitReqItem (
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void
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);
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/*++
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*******************************************************************
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I n i t R e s p I t e m
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Routine Description:
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Allocate and initialize SAP response item
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Call ProcessRespItem to fill the packet and send it
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Arguments:
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intf - pointer to interface control block to send on
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svrType - type of servers to put in response packet
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dst - where to send the response packet
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bcast - are we responding to broadcasted request
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitRespItem (
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PINTERFACE_DATA intf,
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USHORT svrType,
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PIPX_ADDRESS_BLOCK dst,
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BOOL bcast
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);
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/*++
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*******************************************************************
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I n i t G n e a r I t e m
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Routine Description:
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Allocate and initialize GETNEAREST response work item
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Arguments:
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intf - pointer to interface control block to send on
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svrType - type of servers to put in response packet
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dst - where to send the response packet
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitGnearItem (
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PINTERFACE_DATA intf,
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USHORT svrType,
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PIPX_ADDRESS_BLOCK dest
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);
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/*++
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*******************************************************************
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I n i t B c a s t I t e m
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Routine Description:
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Allocate and initialize broadcast item
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Arguments:
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intf - pointer to interface control block to send on
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chngEnum - enumeration handle in SDB change queue to track changed servers
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitBcastItem (
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PINTERFACE_DATA intf
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);
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/*++
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*******************************************************************
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I n i t S r e q I t e m
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Routine Description:
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Allocate and initialize send request item (send SAP request on interface)
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Arguments:
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intf - pointer to interface control block to send on
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitSreqItem (
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PINTERFACE_DATA intf
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);
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/*++
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*******************************************************************
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I n i t L P C I t e m
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Routine Description:
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Allocate and initialize LPC work item
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Arguments:
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None
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitLPCItem (
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void
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);
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/*++
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*******************************************************************
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I n i t T r e q I t e m
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Routine Description:
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Allocate and initialize triggered request item (send SAP request on interface
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and wait for responces to arrive)
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Arguments:
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intf - pointer to interface control block to send on
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Return Value:
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NO_ERROR - item was initialized and enqueued OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitTreqItem (
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PINTERFACE_DATA intf
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);
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#endif
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