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→QueryEvent
== QueryEvent ==
== QueryEvent ==
Takes two input u32s ('''fd''' and '''event_id'''), with the second word immediately after the first one. Returns an output u32 ('''error_code''') and a copy-handle ('''event_handle''').
Takes two input u32s ('''fd''' and '''event_id'''), with the second word immediately after the first one. Returns an output u32 ('''error_code''') and a copy-handle ('''event_handle''').
QueryEvent is only supported on (and implemented differently on):
* /dev/nvhost-gpu
* /dev/nvhost-ctrl
* /dev/nvhost-ctrl-gpu
* /dev/nvhost-dbg-gpu
== MapSharedMem ==
== MapSharedMem ==