[fa.info-vax] More communications

info-vax (07/17/82)

>From MADLER@MIT-ML Fri Jul 16 17:45:20 1982
I am glad to see that there is so much agreement so far!

I tried the VMS 3.0 Phone utility that was suggested.  In general, it looks
like a great package.  Unfortunately, it is incapable of just sending
without formatting and thus loses on non-DEC terminals (at least that is
all I could get it to do.)  If this were a perfect world and everyone
owned a terminal with the same protocol, Phone would be fine.  Unfortunatly,
that isn't good enough.

Somebody suggested that I could put everybody on the same mailbox.  I
tried that quicly (with a fortrash program.)  I had one process writing
to a mailbox and 2 processes reading.  The result was a race to get the
data between the receiving processes.  The first one created got the first
record, the second got the second, and they continued to alternate.
Can this be avoided with a QIO switch?  If not, then my communications
processor will be severly limited by the number of files it can open at
once.

The other major suggestion has been a shared file.  I can't figure out
how to make this efficient.  If there were an AST caused by a write to
a file, I would be in great shape!
-Michael