msfs.c

来自「一个类似windows」· C语言 代码 · 共 82 行

/* $Id: msfs.c 21825 2006-05-07 11:14:41Z ekohl $
 *
 * COPYRIGHT:  See COPYING in the top level directory
 * PROJECT:    ReactOS kernel
 * FILE:       services/fs/ms/msfs.c
 * PURPOSE:    Mailslot filesystem
 * PROGRAMMER: Eric Kohl
 */

/* INCLUDES ******************************************************************/

#include "msfs.h"

#define NDEBUG
#include <debug.h>


/* FUNCTIONS *****************************************************************/

NTSTATUS NTAPI
DriverEntry(PDRIVER_OBJECT DriverObject,
            PUNICODE_STRING RegistryPath)
{
    PMSFS_DEVICE_EXTENSION DeviceExtension;
    PDEVICE_OBJECT DeviceObject;
    UNICODE_STRING DeviceName;
    NTSTATUS Status;

    DPRINT("Mailslot FSD 0.0.1\n");

    DriverObject->Flags = 0;
    DriverObject->MajorFunction[IRP_MJ_CREATE] = MsfsCreate;
    DriverObject->MajorFunction[IRP_MJ_CREATE_MAILSLOT] =
        MsfsCreateMailslot;
    DriverObject->MajorFunction[IRP_MJ_CLOSE] = MsfsClose;
    DriverObject->MajorFunction[IRP_MJ_READ] = MsfsRead;
    DriverObject->MajorFunction[IRP_MJ_WRITE] = MsfsWrite;
    DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
        MsfsQueryInformation;
    DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] =
        MsfsSetInformation;
//    DriverObject->MajorFunction[IRP_MJ_DIRECTORY_CONTROL] =
//        MsfsDirectoryControl;
//    DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS] = MsfsFlushBuffers;
//    DriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = MsfsShutdown;
//    DriverObject->MajorFunction[IRP_MJ_QUERY_SECURITY] =
//        MsfsQuerySecurity;
//    DriverObject->MajorFunction[IRP_MJ_SET_SECURITY] =
//        MsfsSetSecurity;
    DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
        MsfsFileSystemControl;

    DriverObject->DriverUnload = NULL;

    RtlInitUnicodeString(&DeviceName,
                         L"\\Device\\MailSlot");
    Status = IoCreateDevice(DriverObject,
                            sizeof(MSFS_DEVICE_EXTENSION),
                            &DeviceName,
                            FILE_DEVICE_MAILSLOT,
                            0,
                            FALSE,
                            &DeviceObject);
    if (!NT_SUCCESS(Status))
    {
        return Status;
    }

    /* initialize the device object */
    DeviceObject->Flags = DO_DIRECT_IO;

    /* initialize device extension */
    DeviceExtension = DeviceObject->DeviceExtension;
    InitializeListHead(&DeviceExtension->FcbListHead);
    KeInitializeMutex(&DeviceExtension->FcbListLock,
                      0);

    return STATUS_SUCCESS;
}

/* EOF */