close.c File Reference

#include "npfs.h"

Include dependency graph for close.c:

Go to the source code of this file.

Macros
#define	NPFS_BUGCHECK_FILE_ID   (NPFS_BUGCHECK_CLOSE)

Functions
NTSTATUS NTAPI	NpCommonClose (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
NTSTATUS NTAPI	NpFsdClose (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)

Macro Definition Documentation

NPFS_BUGCHECK_FILE_ID

#define NPFS_BUGCHECK_FILE_ID   (NPFS_BUGCHECK_CLOSE)

Definition at line 14 of file close.c.

Function Documentation

NpCommonClose()

NTSTATUS NTAPI NpCommonClose	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PIRP	Irp
	)

Definition at line 20 of file close.c.

{
    PIO_STACK_LOCATION IoStack;
    NODE_TYPE_CODE NodeTypeCode;
    LIST_ENTRY DeferredList;
    PNP_FCB Fcb;
    PNP_CCB Ccb;
    ULONG NamedPipeEnd;
    PAGED_CODE();

    IoStack = IoGetCurrentIrpStackLocation(Irp);
    InitializeListHead(&DeferredList);

    NpAcquireExclusiveVcb();
    NodeTypeCode = NpDecodeFileObject(IoStack->FileObject,
                                      (PVOID*)&Fcb,
                                      &Ccb,
                                      &NamedPipeEnd);
    if (NodeTypeCode == NPFS_NTC_ROOT_DCB)
    {
        --Fcb->CurrentInstances;
        NpDeleteCcb(Ccb, &DeferredList);
    }
    else if (NodeTypeCode == NPFS_NTC_VCB)
    {
        --NpVcb->ReferenceCount;
    }

    NpReleaseVcb();
    NpCompleteDeferredIrps(&DeferredList);

    Irp->IoStatus.Status = STATUS_SUCCESS;
    IoCompleteRequest(Irp, IO_NAMED_PIPE_INCREMENT);
    return STATUS_SUCCESS;
}

Referenced by NpFsdClose().

NpFsdClose()

NTSTATUS NTAPI NpFsdClose	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PIRP	Irp
	)

Definition at line 59 of file close.c.

{
    NTSTATUS Status;
    PAGED_CODE();

    FsRtlEnterFileSystem();

    Status = NpCommonClose(DeviceObject, Irp);

    FsRtlExitFileSystem();

    return Status;
}

Referenced by DriverEntry().