How to set system time in a Windows WDM driver?

05-27-2010

We are developing a GPS time sychronization hardware device. And we want
write a Windows WDM driver for the device. To avoid the user level latency,
we'd like set windows( XP/Vista/7) system time in the kernel driver level.
Does anyone know how to achive that?

Thanks

05-27-2010

you can't. you must do this in user mode

"Xu Jun" wrote in message
news:165914D0-56F3-4A41-88F1-...

We are developing a GPS time sychronization hardware device. And we want
write a Windows WDM driver for the device. To avoid the user level latency,
we'd like set windows( XP/Vista/7) system time in the kernel driver level.
Does anyone know how to achive that?

Thanks

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