fxnpagedlookasidelist.hpp

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/*++
 
Copyright (c) Microsoft Corporation
 
Module Name:
 
    FxNPagedLookasideList.hpp
 
Abstract:
 
Author:
 
Environment:
 
    kernel mode only
 
Revision History:
 
--*/
 
#ifndef _FXNPAGEDLOOKASIDELIST_H_
#define _FXNPAGEDLOOKASIDELIST_H_
 
class FxNPagedLookasideList : public FxLookasideList {
public:
    FxNPagedLookasideList(
        __in PFX_DRIVER_GLOBALS FxDriverGlobals,
        __in ULONG PoolTag
        );
 
    virtual
    _Must_inspect_result_
    NTSTATUS
    Initialize(
        __in size_t BufferSize,
        __in PWDF_OBJECT_ATTRIBUTES MemoryAttributes
        );
 
    virtual
    _Must_inspect_result_
    NTSTATUS
    Allocate(
        __out FxMemoryObject** PPMemory
        );
 
protected:
    ~FxNPagedLookasideList();
 
    virtual
    VOID
    Reclaim(
        __in FxMemoryBufferFromLookaside* Memory
        );
 
protected:
    NPAGED_LOOKASIDE_LIST m_ObjectLookaside;
};
 
class FxNPagedLookasideListFromPool : public FxLookasideListFromPool {
 
    friend FxMemoryBufferFromPoolLookaside;
 
public:
    FxNPagedLookasideListFromPool(
        __in PFX_DRIVER_GLOBALS FxDriverGlobals,
        __in ULONG PoolTag
        );
 
    virtual
    _Must_inspect_result_
    NTSTATUS
    Initialize(
        __in size_t BufferSize,
        __in PWDF_OBJECT_ATTRIBUTES MemoryAttributes
        );
 
    virtual
    _Must_inspect_result_
    NTSTATUS
    Allocate(
        __out FxMemoryObject** PPMemory
        );
 
protected:
    ~FxNPagedLookasideListFromPool(
        VOID
        );
 
    virtual
    VOID
    Reclaim(
        __in FxMemoryBufferFromLookaside* Memory
        );
 
    virtual
    VOID
    ReclaimPool(
        __inout PVOID Pool
        )
    {
        FxFreeToNPagedLookasideList(&m_PoolLookaside, Pool);
    }
 
    NPAGED_LOOKASIDE_LIST m_ObjectLookaside;
 
    NPAGED_LOOKASIDE_LIST m_PoolLookaside;
};
 
 
#endif // __FX_NPAGED_LOOKASIDE_LIST_H__