[Info-vax] Use of logical names other than I/O redirection

[Marc Van Dyck]

Bob Gezelter explained :
> If there are multiple writers, the classic dangers of 
> multiple modifiers of uninterlocked storage locations apply. At today's 
> speeds, this is an ever more serious hazard. 

To get around this issue, I wrote a DCL jacket around $ENQ/$DEQ system
services. Anyone wanting to read or write in a shared table must 
acquire
the corresponding lock beforehand and release it afterwards. Never
failed on me.

-- 
Marc Van Dyck