NTKERNELAPI
VOID
FASTCALL
ObFastDereferenceObject (
IN PEX_FAST_REF FastRef,
IN PVOID Object
)
/*++
Routine Description:
This routine does a fast dereference if possible.
Arguments:
FastRef - Rundown block to be used to dereference the object
Return Value:
None.
--*/
{
if (!ExFastRefDereference (FastRef, Object)) {
//
// If the object changed or there is no space left in the reference
// cache then just deref the object.
//
ObDereferenceObject (Object);
}
}
VOID
ExDereferenceCallBackBlock (
IN OUT PEX_CALLBACK CallBack,
IN PEX_CALLBACK_ROUTINE_BLOCK CallBackBlock
)
/*++
Routine Description:
This returns a reference previous obtained on a call back block
Arguments:
CallBackBlock - Call back block to return reference to
Return Value:
None
--*/
{
if (ExpCallBackReturnRefs || !ExFastRefDereference (&CallBack->RoutineBlock, CallBackBlock)) {
ExReleaseRundownProtection (&CallBackBlock->RundownProtect);
}
}
