I decided to write a rt component that queues Linux signal SIGRTMIN on pin state changes. I finished it up last night and have been running it through some test today and it seems to be working incredibly well. The advantage of this is to remove the polling overhead on the python gui. Now the gui can sit in an idle state and when a signal is queued get the pin state and update the gui. I should mention my set up is Ubuntu 12.04 linux kernel 3.4.27 with RTPREEMPT. Im wondering what the consequences of this are?
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