# File lib/rq-2.3.1/jobrunnerdaemon.rb, line 156
      def waitpid2 pid = -1, flags = 0 
#--{{{
        pid = pid.pid if pid.respond_to? 'pid'
        pid, status = Process::waitpid2 pid, flags 
        @runners.delete pid
        [pid, status]
#--}}}
      end