AnastasiaSulyagina e81f4ab7de init
2016-08-19 14:50:14 +03:00

13 lines
277 B
Ruby

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