DTR program

[Uwe Doering]

L-D'Ambrosio at dmr.asa.com (Louis D'Ambrosio) writes:

>    I've gotten involved in a project that requires a "C"
>program that can watch a given serial port and wait for DTR
>to go HI. The program would then run a script and continue
>watching the port for a drop of DTR.   If this occurs it would
>kill the script.    

You can't monitor DTR because it's not an input line. It is an
output and can be controlled by a C program. But I think that's
not what you wanted.

For further informations, look at the termio(7) man page.

    Uwe
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