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[旧帖]
[求助]奇怪的问题,这键位映射驱动驱动在win7上卸载会蓝屏?
0.00雪花
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发表于:
2010-3-3 22:06
1186
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[旧帖] [求助]奇怪的问题,这键位映射驱动驱动在win7上卸载会蓝屏?
0.00雪花
下面这么一段卸载代码,是根据那个很有名ctrl2cap键盘驱动改来的
在xp上一点问题都没有,但在win7下会蓝屏
而且蓝屏的位置不在我写的代码里面,也就是说它在unload的最后输出了
KdPrint(("DriverEntry unLoad OK!\n"));
之后才蓝掉的- -这是怎么回事呢?
大家能给些建议吗>< 谢谢~
ps: 蓝屏代码 0x00000018
ps1:我只有宿主win7+虚拟机的xp...没办法对win7开windbg..
VOID
detach(IN PDEVICE_OBJECT pDeviceObject)
{
//UNICODE_STRING filterSymbolicLink;
PC2P_DEV_EXT devExt;
NTSTATUS status;
BOOLEAN NoRequestsOutstanding = FALSE;
devExt = (PC2P_DEV_EXT)pDeviceObject->DeviceExtension;
__try
{
__try
{
IoDetachDevice(devExt->TargetDeviceObject);
devExt->TargetDeviceObject = NULL;
//RtlInitUnicodeString(&filterSymbolicLink,);
status = IoDeleteSymbolicLink(&devExt->FilterSymbolicLink);
IoDeleteDevice(pDeviceObject);
devExt->pFilterDeviceObject = NULL;
KdPrint(("Detach Finished\n"));
}
__except (EXCEPTION_EXECUTE_HANDLER){}
}
__finally{}
return;
}
VOID
unload(IN PDRIVER_OBJECT DriverObject)
{
PDEVICE_OBJECT DeviceObject;
PDEVICE_OBJECT OldDeviceObject;
PC2P_DEV_EXT devExt;
LARGE_INTEGER lDelay;
PRKTHREAD CurrentThread;
//__asm int 3;
isEnabled=0;
//delay some time
lDelay = RtlConvertLongToLargeInteger(100 * DELAY_ONE_MILLISECOND);
CurrentThread = KeGetCurrentThread();
// 把当前线程设置为低实时模式，以便让它的运行尽量少影响其他程序。
KeSetPriorityThread(CurrentThread, LOW_REALTIME_PRIORITY);
UNREFERENCED_PARAMETER(DriverObject);
KdPrint(("DriverEntry unLoading...\n"));
// 遍历所有设备并一律解除绑定
DeviceObject = DriverObject->DeviceObject;
while (DeviceObject)
{
// 解除绑定并删除所有的设备
detach(DeviceObject);
DeviceObject = DeviceObject->NextDevice;
}
ASSERT(NULL == DriverObject->DeviceObject);
while (gC2pKeyCount)
{
KeDelayExecutionThread(KernelMode, FALSE, &lDelay);
}
KdPrint(("DriverEntry unLoad OK!\n"));
//lDelay = RtlConvertLongToLargeInteger(50000 * DELAY_ONE_MILLISECOND);
//KeDelayExecutionThread(KernelMode, FALSE, &lDelay);
return;
}
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