Leaked source code of windows server 2003
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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
smbmrxmm.h
Abstract:
This module implements the memory managment routines for the SMB mini redirector
Author:
Balan Sethu Raman [SethuR] 7-March-1995
Revision History:
Notes:
The SMB mini redirector manipulates entities which have very different usage patterns.
They range from very static entities ( which are allocated and freed with a very low
frequency ) to very dynamic entities.
The entities manipulated in the SMB mini redirector are SMBCE_SERVER, SMBCE_NET_ROOT,
SMBCE_VC, SMBCE_SESSION. These represent a connection to a server, a share on a particular
server, a virtual circuit used in the connection and a session for a particular user.
These are not very dynamic, i.e., the allocation/deallocation is very infrequent. The
SMB_EXCHANGE and SMBCE_REQUEST map to the SMB's that are sent along that a connection.
Every file operation in turn maps to a certain number of calls for allocationg/freeing
exchanges and requests. Therefore it is imperative that some form of scavenging/caching
of recently freed entries be maintained to satisfy requests quickly.
In the current implementation the exchanges and requests are implemented using the zone
allocation primitives.
--*/
#ifndef _SMBMRXMM_H_
#define _SMBMRXMM_H_
//
// Object Allocation and deletion
//
extern PVOID
SmbMmAllocateObject(SMBCEDB_OBJECT_TYPE ObjectType);
extern VOID
SmbMmFreeObject(PVOID pObject);
extern PSMBCEDB_SESSION_ENTRY
SmbMmAllocateSessionEntry(PSMBCEDB_SERVER_ENTRY pServerEntry, BOOLEAN RemoteBootSession);
extern VOID
SmbMmFreeSessionEntry(PSMBCEDB_SESSION_ENTRY pSessionEntry);
extern PVOID
SmbMmAllocateExchange(
SMB_EXCHANGE_TYPE ExchangeType,
PVOID pv);
extern VOID
SmbMmFreeExchange(PVOID pExchange);
extern PVOID
SmbMmAllocateServerTransport(SMBCE_SERVER_TRANSPORT_TYPE ServerTransportType);
extern VOID
SmbMmFreeServerTransport(PSMBCE_SERVER_TRANSPORT);
#define SmbMmInitializeHeader(pHeader) \
RtlZeroMemory((pHeader),sizeof(SMBCE_OBJECT_HEADER))
#endif _SMBMRXMM_H_