wait_all_jobs_execution

# File lib/shell/process-controller.rb, line 217
    def wait_all_jobs_execution
      @job_monitor.synchronize do
        begin
          while !jobs.empty?
            @job_condition.wait(@job_monitor)
            for job in jobs
              job.notify("waiting job(%id)", Shell::debug?)
            end
          end
        ensure
          redo unless jobs.empty?
        end
      end
    end