def start
      procline("(starting)")
      init_self_pipe!
      init_sig_handlers!
      maintain_worker_count
      procline("(started)")
      log "started manager"
      report_worker_pool_pids
      self.class.kill_other_pools! if self.class.kill_other_pools
      self
    end
def start
      procline("(starting)")
      init_self_pipe!
      init_sig_handlers!
      maintain_worker_count
      procline("(started)")
      log "started manager"
      report_worker_pool_pids
      self.class.kill_other_pools! if self.class.kill_other_pools
      self
    end
}}}
 start, join, and master sleep {{{