Mark Evenson writes:
If Tobias and Erik could check that this patch is what they want to have happen, I'll commit it.
Looks good. The only question is where the MAILBOX related stuff should reside in, in EXT or THREADS?
Next steps:
* rename THREADS:THREAD-LOCK just to THREADS:LOCK.
* given SYNCHRONIZED-ON, implement Mailbox in Lisp.
-T.