What is Racket DOING???

A neat feature of the JVM is that, out of the box, you can send a running JVM process a SIGQUIT signal and it'll dump stack traces for all running threads to stdout . The output looks like this . It can be really handy when you're trying to debug a live system. Racket doesn't have this feature, but you can build something like it yourself by combining some of the introspection tools the runtime…