setup_signals

in lib/puma/cluster.rb [365:400]

• 26 lines of code
• 4 McCabe index (conditional complexity)

    def setup_signals
      Signal.trap "SIGCHLD" do
        wakeup!
      end

      Signal.trap "TTIN" do
        @options[:workers] += 1
        wakeup!
      end

      Signal.trap "TTOU" do
        @options[:workers] -= 1 if @options[:workers] >= 2
        wakeup!
      end

      master_pid = Process.pid

      Signal.trap "SIGTERM" do
        
        
        
        if Process.pid != master_pid
          log "Early termination of worker"
          exit! 0
        else
          @launcher.close_binder_listeners

          stop_workers
          stop

          raise(SignalException, "SIGTERM") if @options[:raise_exception_on_sigterm]
          exit 0 
        end
      end
    end