IoUnregisterShutdownNotification function (wdm.h)

The IoUnregisterShutdownNotification routine removes a registered driver from the shutdown notification queue.

Syntax

void IoUnregisterShutdownNotification(
  [in] PDEVICE_OBJECT DeviceObject
);

[in] DeviceObject

Pointer to the driver's device object.

None

IoUnregisterShutdownNotification can be called by a driver only if that driver previously called IoRegisterShutdownNotification or IoRegisterLastChanceShutdownNotification with the given DeviceObject. This routine is usually called from a driver's Unload routine.

Calling IoUnregisterShutdownNotification cancels all shutdown notifications that have been registered for the given DeviceObject.

Requirement	Value
Minimum supported client	Available starting with Windows 2000.
Target Platform	Universal
Header	wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library	NtosKrnl.lib
DLL	NtosKrnl.exe
IRQL	PASSIVE_LEVEL
DDI compliance rules	HwStorPortProhibitedDDIs(storport), IrqlIoPassive5(wdm), PowerIrpDDis(wdm)