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