lock driver

[utzoo!decvax!ucbvax!unix-wizards]

>From dsp.dove at MIT-SPEECH@MIT-AI Fri Aug 21 08:00:48 1981
Assume for the moment that no proc that opens one of the lock devs
forks.  Won't each of those minor devs that are open get called
immeadiately when he who has it open closes it, since he is the only
one who has it open?  (same mechanism as the versatecs and line
printers use)
-------