resume

# File lib/debug.rb, line 778
  def resume
    MUTEX.synchronize do
      make_thread_list
      @thread_list.each do |th,|
        next if th == Thread.current
        context(th).clear_suspend
      end
      waiting.each do |th|
        th.run
      end
      waiting.clear
    end
    # Schedule other threads to restart as soon as possible.
    Thread.pass
  end