IoUnregisterShutdownNotification function

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

Syntax

void IoUnregisterShutdownNotification(
  PDEVICE_OBJECT DeviceObject
);

Parameters

DeviceObject

Pointer to the driver's device object.

Return Value

None

Remarks

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.

Requirements

   
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 IrqlIoPassive5, PowerIrpDDis, HwStorPortProhibitedDDIs

See Also

IoRegisterLastChanceShutdownNotification

IoRegisterShutdownNotification