How to handle callback functions using port control

[Niranjan Gunasekera]

Hi
    Is it possible to send an asynchronous callback function event from c language to erlang using erlang port control?
If so how can we acheive it?

(I have called a c function through erlang port control. But it is a asynchronous callback function. So I need to send the c function finish event back to the erlang. How can I achieve this? Can I use driver_event function? If so how?)



Thanks
Niranjan Gunasekera
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