class Rake::Application

def run_with_threads
  thread_pool.gather_history if options.job_stats == :history
  yield
  thread_pool.join if defined?(@thread_pool)
  if options.job_stats
    stats = thread_pool.statistics
    puts "Maximum active threads: #{stats[:max_active_threads]} + main"
    puts "Total threads in play:  #{stats[:total_threads_in_play]} + main"
  end
  ThreadHistoryDisplay.new(thread_pool.history).show if
    options.job_stats == :history
end