KsAllocateObjectCreateItem - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ks.h

KSDDKAPI NTSTATUS KsAllocateObjectCreateItem(
  [in]           KSDEVICE_HEADER       Header,
  [in]           PKSOBJECT_CREATE_ITEM CreateItem,
  [in]           BOOLEAN               AllocateEntry,
  [in, optional] PFNKSITEMFREECALLBACK ItemFreeCallback
);
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Windows Driver Kit DDI reference (nf-ks-ksallocateobjectcreateitem)

KsAllocateObjectCreateItem function

Description

The KsAllocateObjectCreateItem function allocates a slot for the specified create item, optionally allocating space for and copying the create item data as well. This function assumes that the caller is serializing multiple changes to the create entry list.

Parameters

Header [in]

Points to the device header on which to attach the create item.

CreateItem [in]

Contains the create item to attach.

AllocateEntry [in]

Indicates whether the create item pointer passed should be attached directly to the header, or if a copy of it should be made instead.

ItemFreeCallback [in, optional]

Optionally contains a pointer to a minidriver-defined KStrItemFreeCallback function to be called when the create entry is being destroyed upon freeing the device header. This is only valid when AllocateEntry is TRUE.

Return value

Returns STATUS_SUCCESS if a new item was allocated and attached. Otherwise, it returns STATUS_INSUFFICIENT_RESOURCES.

See also

KStrItemFreeCallback

View the official Windows Driver Kit DDI reference

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