module Fluent::DetachMultiProcessMixin

def configure(conf)
  super
  if detach_process = conf['detach_process']
    b3v = Config.bool_value(detach_process)
    case b3v
    when nil
      num = detach_process.to_i
      if num > 0
        @detach_process = true
        @detach_process_num = num
      elsif detach_process =~ /0+/
        @detach_process = false
      else
        @detach_process = true
      end
    when true
      @detach_process = true
    when false
      @detach_process = false
    end
  end
end

def detach_multi_process(&block)
  if @detach_process
    detach_process_impl(@detach_process_num, &block)
  else
    block.call
  end
end

def initialize
  @detach_process_num = 2
  super
end