# File lib/puma/jruby_restart.rb, line 28
    def self.daemon_init
      return false unless ENV.key? 'PUMA_DAEMON_RESTART'

      master = ENV['PUMA_DAEMON_RESTART']
      Process.kill "SIGUSR2", master.to_i

      setsid

      null = File.open "/dev/null", "w+"
      STDIN.reopen null
      STDOUT.reopen null
      STDERR.reopen null

      true
    end