cmmapvw.c

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/*
 * PROJECT:         ReactOS Kernel
 * LICENSE:         GPL - See COPYING in the top level directory
 * FILE:            ntoskrnl/config/cmmapvw.c
 * PURPOSE:         Configuration Manager - Map-Viewed Hive Support
 * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
 */
 
/* INCLUDES ******************************************************************/
 
#include "ntoskrnl.h"
#define NDEBUG
#include "debug.h"
 
/* GLOBALS *******************************************************************/
 
/* FUNCTIONS *****************************************************************/
 
VOID
NTAPI
CmpInitHiveViewList(IN PCMHIVE Hive)
{
    /* Initialize the list heads */
    InitializeListHead(&Hive->LRUViewListHead);
    InitializeListHead(&Hive->PinViewListHead);
 
    /* Reset data */
    Hive->MappedViews = 0;
    Hive->PinnedViews = 0;
    Hive->UseCount = 0;
}
 
VOID
NTAPI
CmpDestroyHiveViewList(IN PCMHIVE Hive)
{
    PCM_VIEW_OF_FILE CmView;
    PLIST_ENTRY EntryList;
 
    /* Do NOT destroy the views of read-only hives */
    ASSERT(Hive->Hive.ReadOnly == FALSE);
 
    /* Free all the views inside the Pinned View List */
    while (!IsListEmpty(&Hive->PinViewListHead))
    {
        EntryList = RemoveHeadList(&Hive->PinViewListHead);
 
        CmView = CONTAINING_RECORD(EntryList, CM_VIEW_OF_FILE, PinViewList);
 
        /* FIXME: Unmap the view if it is mapped */
 
        ExFreePool(CmView);
 
        Hive->PinnedViews--;
    }
 
    /* The Pinned View List should be empty */
    ASSERT(IsListEmpty(&Hive->PinViewListHead) == TRUE);
    ASSERT(Hive->PinnedViews == 0);
 
    /* Now, free all the views inside the LRU View List */
    while (!IsListEmpty(&Hive->LRUViewListHead))
    {
        EntryList = RemoveHeadList(&Hive->LRUViewListHead);
 
        CmView = CONTAINING_RECORD(EntryList, CM_VIEW_OF_FILE, LRUViewList);
 
        /* FIXME: Unmap the view if it is mapped */
 
        ExFreePool(CmView);
 
        Hive->MappedViews--;
    }
 
    /* The LRU View List should be empty */
    ASSERT(IsListEmpty(&Hive->LRUViewListHead) == TRUE);
    ASSERT(Hive->MappedViews == 0);
}
 
/* EOF */