Method: LockFile#lock

Defined in:
lib/bin_script/lock_file.rb

#lock(waiting_unlock = false) ⇒ Object 



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# File 'lib/bin_script/lock_file.rb', line 16

def lock(waiting_unlock = false)
  flags = File::WRONLY | File::TRUNC | File::CREAT

  @f = File.open(@path, flags)
  flags = File::LOCK_EX
  flags |= File::LOCK_NB if waiting_unlock == false

  unless @f.flock flags
    log "File '#{@path}' already open in exclusive mode.\n"
    return true
  end
  return false
end