I'm not dead

Sorry, it's been awhile since the last post. My computer died and has been replaced. I now have a Mac/i386 system, so my development will be that. I can also test on Linux (a separate machine). I've mostly been working on code for blocking queues. The code must choose whether to use Sys V IPC, Posix mqueues, or Pthtread Rwlocks. Note that this is all for inter-thread communication.