The article is, I reckon, about a rather common case when a thread that does multiplexed I/O also needs to perform some timer-related tasks as well. As the very

The article is, I reckon, about a rather common case when a thread that does multiplexed I/O also needs to perform some timer-related tasks as well. As the very first paragraph states, "A blocking sleep won't cut it!" Unless you do it in a separate thread and then signal other threads but that's insane.