[lug] Pseudo-terminals

[Bryan Field-Elliot]

Hi all,

I posted this message a couple of months ago but got no satisfactory
response.

I have an application which thinks it's connecting to a serial port (I
pass in the /dev/ as a command-line parameter). I want to redirect this
to a telnet daemon, so that I can telnet into this system rather than
hook up a real modem (which it wants).

I think pseudo-terminals are my answer, but, I don't know how they
really work. I can't find any meaning documentation on pseudo-terminals
(other than two-paragraph overviews), and I can't find any
swiss-army-knife utilities which will let me work with them. If anyone
can point me in the right direction, I'd sure appreciate it.

Obviously, this little setup should allow only one person into the
telnet port at a time (since there's only one copy of the back-end
software running); other simultaneous attempts should be met with a
message such as "port is busy, please try again later" etc.

Thanks in advance,

Bryan



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