Need a timeout device SVR3.x

[mcdonald at uxe.cso.uiuc.edu]

>> Virtually every day I have connections that must remain open but on which
>> no activity, CPU or I/O, occurs for perhaps several hours.

>I (and any other readers as unimaginative as myself) would appreciate
>details regarding such situations.

Certainly:

Each such port is attached to a sensor which detects missles being
fired at you. When such a message is received, the computer instructs
a star wars laser to fire at the missle.

Other scenarios perhaps exist, such as automated teller machines.