BASIC-PORT class     Now features an event-process slot as well as a lock.
BASIC-PORT class
    Now features an event-process slot as well as a lock.

Basically all methods, which specialized on PORT, now specialize on
BASIC-PORT.

DESTROY-PORT :before ((port basic-port))
    New method, kills the event process.

WITH-PORT-LOCKED, INVOKE-WITH-PORT-LOCKED
    New macro.

antifuchs/mcclim,onixie/mcclim,onixie/mcclim,swflint/McCLIM,slyrus/mcclim,slyrus/mcclim,antifuchs/mcclim,swflint/McCLIM,onixie/mcclim,swflint/McCLIM