Autzoo.1387 net.bugs.v7 utcsrgv!utzoo!henry Mon Feb 15 00:02:20 1982 lock(2) The V7 lock() call has a major bug, which I heard about at the Usenix meeting. The following should be added to the manual page BUGS section: .PP It actually doesn't work, because the scheduler doesn't know about it and keeps \fInice\fRing the process when it refuses to swap out.