IsListEmpty

BOOLEAN
    IsListEmpty(
        IN PLIST_ENTRY  ListHead
        );

IsListEmpty indicates whether a doubly linked, driver-maintained list is empty.

Parameters

ListHead

Points to the driver-allocated storage for the head of the list.

The ListHead of type LIST_ENTRY is doubly linked.

Return Value

IsListEmpty returns TRUE if there are currently no entries in the list.

Comments

Callers of IsListEmpty can be running at IRQL >= DISPATCH_LEVEL only if the caller-allocated storage for ListHead is resident and only if pointers to every list entry remain valid at IRQL >= DISPATCH_LEVEL as well.

See Also

InitializeListHead, RemoveHeadList, RemoveTailList, RemoveEntryList