getMemoryDescriptor
Returns a memory descriptor covering the IODataQueueMemory region.
Declaration
virtual IOMemoryDescriptor *getMemoryDescriptor();Return Value
Returns a newly allocated IOMemoryDescriptor for the IODataQueueMemory region. Returns zero on failure.
Overview
The IOMemoryDescriptor instance returned by this method is intended to be mapped into a user process. This is the memory region that the IODataQueueClient code operates on.