15 lines
309 B
Ruby
15 lines
309 B
Ruby
module Hbc
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module Utils
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module_function
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def file_locked?(file)
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unlocked = File.open(file).flock(File::LOCK_EX | File::LOCK_NB)
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# revert lock if file was unlocked before check
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File.open(file).flock(File::LOCK_UN) if unlocked
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!unlocked
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rescue
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true
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end
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end
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end
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