13 lines
		
	
	
		
			277 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			277 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Hbc::Utils
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|   module_function
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| 
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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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