I\'m hoping to use Ruby as a scripting language for my game engine. I\'ve found the usual articles describing how to call Ruby classes from C++ code and vice versa (e.g. her
I think what your going to want to do is use Ruby's threads. I've done a fair bit of digging through the Ruby threading code and I know that (where pthreads is available) sleep is implemented in a non-blocking fashion using pthread_cond_timedwait. This unblocks the interpreter so that other threads can continue execution.
Your own code is going to have to respect Ruby's threads when it comes to interacting with the Ruby interpreter. They've still got a Global VM Lock in Ruby which means you should be careful about modifying anything in the interpreter without having the lock yourself.