filediskcreateclose.c

北航操作系统课程设计所需源代码

#include <ntddk.h>
#include "ntifs.h"

NTSTATUS
FileDiskCreateClose (
    IN PDEVICE_OBJECT   DeviceObject,
    IN PIRP             Irp
    )
{
    PAGED_CODE();

    Irp->IoStatus.Status = STATUS_SUCCESS;
	//STATUS_SUCCESS在ntstatus.h中定义为((NTSTATUS)0x00000000L)
    Irp->IoStatus.Information = FILE_OPENED;
	//FILE_OPENED在ntddk.h中定义为0x00000001

    IoCompleteRequest(Irp, IO_NO_INCREMENT);
	//IO_NO_INCREMENT在ntddk.h中定义为0

    return STATUS_SUCCESS;
}