Ruby concurrency: in praise of condition variables · vaneyckt.io

In a previous post, we talked about the benefits conferred by Ruby mutexes. While a programmer’s familiarity with mutexes is likely to depend on what kind of programs she usually writes, most developers tend to be at least somewhat familiar with these particular synchronization primitives. This article, however, is going to focus on a much lesser-known synchronization construct: the condition variable.