EXCL without CREAT

[Stephen J. Muir]

In article <5517 at allegra.UUCP> jpl at allegra.UUCP (John P. Linderman) writes:
>I can think of no use for TIOCEXCL ...
>... TIOCEXCL should go away.

I *need* to use it.  When I log in to my machine through another and type the
command "download prog", it "cat"s the binary file into the machine.  Needless
to say, a broadcast message would screw this up and I wouldn't see it anyway.
Using "mesg n" is useless as it doesn't stop super-user.
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