ubuntu 12.04 - Block shutdown process from Ruby application -

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in ruby application, recording audio , after stopping takes 1 minute secure. during period, if user shuts down system, audio gets corrupted.

i want restrict user shutdown system. how can using ruby?

i using ruby 1.9.3 , ubuntu 12.04.

write in file make run when terminal closed:

process.demon(true, true)

not sure how prevent os shutdown. not sure if question either.


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