shutdown.c File Reference

#include <ntoskrnl.h>
#include <debug.h>
#include "ARM3/miarm.h"

Include dependency graph for shutdown.c:

Go to the source code of this file.

Macros
#define	NDEBUG
#define	MODULE_INVOLVED_IN_ARM3

Functions
VOID	MiShutdownSystem (VOID)
VOID	MmShutdownSystem (IN ULONG Phase)

Macro Definition Documentation

MODULE_INVOLVED_IN_ARM3

#define MODULE_INVOLVED_IN_ARM3

Definition at line 15 of file shutdown.c.

NDEBUG

#define NDEBUG

Definition at line 12 of file shutdown.c.

Function Documentation

MiShutdownSystem()

VOID MiShutdownSystem

(

VOID

)

Definition at line 21 of file shutdown.c.

{
    ULONG i;
    PFN_NUMBER Page;
    BOOLEAN Dirty;
 
    /* Loop through all the paging files */
    for (i = 0; i < MmNumberOfPagingFiles; i++)
    {
        /* Free page file name */
        ASSERT(MmPagingFile[i]->PageFileName.Buffer != NULL);
        ExFreePoolWithTag(MmPagingFile[i]->PageFileName.Buffer, TAG_MM);
        MmPagingFile[i]->PageFileName.Buffer = NULL;
 
        /* And close them */
        ZwClose(MmPagingFile[i]->FileHandle);
    }
 
    /* Loop through all the pages owned by the legacy Mm and page them out, if needed. */
    /* We do it as long as there are dirty pages, since flushing can cause the FS to dirtify new ones. */
    do
    {
        Dirty = FALSE;
 
        Page = MmGetLRUFirstUserPage();
        while (Page)
        {
            LARGE_INTEGER SegmentOffset;
            PMM_SECTION_SEGMENT Segment = MmGetSectionAssociation(Page, &SegmentOffset);
 
            if (Segment)
            {
                if ((*Segment->Flags) & MM_DATAFILE_SEGMENT)
                {
                    MmLockSectionSegment(Segment);
 
                    ULONG_PTR Entry = MmGetPageEntrySectionSegment(Segment, &SegmentOffset);
 
                    if (!IS_SWAP_FROM_SSE(Entry) && IS_DIRTY_SSE(Entry))
                    {
                        Dirty = TRUE;
                        MmCheckDirtySegment(Segment, &SegmentOffset, FALSE, TRUE);
                    }
 
                    MmUnlockSectionSegment(Segment);
                }
 
                MmDereferenceSegment(Segment);
            }
 
            Page = MmGetLRUNextUserPage(Page, FALSE);
        }
    } while (Dirty);
}

Referenced by MmShutdownSystem().

MmShutdownSystem()

VOID MmShutdownSystem

(

IN ULONG

Phase

)

Definition at line 77 of file shutdown.c.

{
    if (Phase == 0)
    {
        MiShutdownSystem();
    }
    else if (Phase == 1)
    {
        ULONG i;
 
        /* Loop through all the paging files */
        for (i = 0; i < MmNumberOfPagingFiles; i++)
        {
            /* And dereference them */
            ObDereferenceObject(MmPagingFile[i]->FileObject);
        }
    }
    else
    {
        ASSERT(Phase == 2);
 
        UNIMPLEMENTED;
    }
}

Referenced by PopGracefulShutdown().