Get universal time (in MILLISECONDS) from a variable which is periodically updated by a background thread. This is used for very intensively time getting with not very high accuracy.
David McClain's Lisp-Actors library porting to SBCL and CCL. https://github.com/dbmcclain
A thread pool in Mezzano OS <https://github.com/froggey/Mezzano>, ported to portable common lisp.
A common lisp thread pool implemented with atomic operations instead of locks in the worker threads' main loop.
Portable, non-consing, optimized LIFO queue (stack) implementation, which is inspired by cl-speedy-queue.
