Passing new data to an asynchronous, threaded function that may still be using the old data?

If you don't want to wait for the C code to finish before you make the next call then you can't reuse the same memory location over and over. Instead, create an array and then pass those locations. For this code, I'm going to assume that the number of times the for loop will run is n.

This doesn't have to be known until it's time for the for loop to run.

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