学习了2个月时间 走了不少弯路 现奉上搜集到的驱动开发入门笔记 共勉！
源代码在线查看： control.cpp
// Control.cpp -- IOCTL handlers for evwait driver
// Copyright (C) 1999 by Walter Oney
// All rights reserved
#include "stddcls.h"
#include "driver.h"
#include "ioctls.h"
///////////////////////////////////////////////////////////////////////////////
#pragma PAGEDCODE
NTSTATUS DispatchControl(PDEVICE_OBJECT fdo, PIRP Irp)
{ // DispatchControl
PAGED_CODE();
PDEVICE_EXTENSION pdx = (PDEVICE_EXTENSION) fdo->DeviceExtension;
NTSTATUS status = IoAcquireRemoveLock(&pdx->RemoveLock, Irp);
if (!NT_SUCCESS(status))
return CompleteRequest(Irp, status, 0);
ULONG info = 0;
PIO_STACK_LOCATION stack = IoGetCurrentIrpStackLocation(Irp);
ULONG cbin = stack->Parameters.DeviceIoControl.InputBufferLength;
ULONG cbout = stack->Parameters.DeviceIoControl.OutputBufferLength;
ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;
switch (code)
{ // process request
case IOCTL_REGISTER_EVENT: // code == 0x800
{ // IOCTL_REGISTER_EVENT
if (cbin < sizeof(HANDLE))
{
status = STATUS_INVALID_PARAMETER;
break;
}
if (!RegisterEvent(pdx, stack->FileObject, *(PHANDLE) Irp->AssociatedIrp.SystemBuffer, Irp->RequestorMode))
{
KdPrint(("EVWAIT - Error trying to register event handle\n"));
status = STATUS_UNSUCCESSFUL;
}
break;
} // IOCTL_REGISTER_EVENT
case IOCTL_SIGNAL_EVENT: // code == 0x801
{ // IOCTL_SIGNAL_EVENT
SignalEvent(pdx, stack->FileObject);
break;
} // IOCTL_SIGNAL_EVENT
default:
status = STATUS_INVALID_DEVICE_REQUEST;
break;
} // process request
IoReleaseRemoveLock(&pdx->RemoveLock, Irp);
return CompleteRequest(Irp, status, info);
} // DispatchControl
