PFNBTH_ALLOCATE_BRB callback function (bthddi.h)
The BthAllocateBrb function allocates a Bluetooth request block (BRB) of the specified type.
Syntax
PFNBTH_ALLOCATE_BRB PfnbthAllocateBrb;
PBRB PfnbthAllocateBrb(
[in] BRB_TYPE brbType,
[in] ULONG tag
)
{...}
Parameters
[in] brbType
Specifies a value from the BRB_TYPE enumeration to initialize the BRB with.
[in] tag
Specifies a 4-byte pool tag that uniquely identifies the driver that does the memory allocation. For more information about pool tags, see ExAllocatePoolWithTag.
Return value
BthAllocateBrb returns a pointer to the newly allocated BRB, or NULL if the system is out of memory.
Remarks
Profile drivers obtain a pointer to the BthAllocateBrb function when they query the Bluetooth driver stack for an instance of the BTHDDI_PROFILE_DRIVER_INTERFACE driver interface. See Querying for Bluetooth Interfaces for more information about querying the Bluetooth driver stack.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Versions:_Supported in Windows Vista, and later. |
| Target Platform | Desktop |
| Header | bthddi.h (include Bthddi.h) |
| IRQL | <= DISPATCH_LEVEL |
See also
pool tag