Reliable Ruby timeouts with System Timer: Do not blindly trust timeout.rb, the library used by Ruby to ensure timeouts, is not 100% reliable. In particular, it is guaranteed to not work in Ruby M.R.I1 1.8 when you are issuing system calls that can cause your Ruby process to sleep for a period of time that is longer than your timeout. This list will contain the toc (it doesn’t matter what you write