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Ramakrishna Saripalli skrev 2012-02-02 09:51:
Is there a better way of exchanging data between user and kernel driver in Lion?.
I've implemented something similar when I got the advice to:
"look at the code for the CoreAudio IOAudioEngineUserClient; it has a system where the client passes in buffers that have been allocated in the clients own memory space, and the user client maps them into the kernel's memory space and simply copies data to or from those buffers"
It works like a charm. And fast. And on Lion too.
Regards,
/Rob
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