pty bugs & features

[Bill Vermillion]

In article <3998 at auspex.auspex.com-> guy at auspex.auspex.com (Guy Harris) writes:
 
->>The real problem is when you have placed a long distance call to or from
->>a modem on a unix machine and pick up a ^S from line noise.  I've even
->>seen cases where the device driver would lock up so that even a kill -9
->>wouldn't release the process and there was no way to drop the call without
->>physical access to the modem.
 
->If the call is still active, presumably typing ^Q would unlock the line,
->unless there's a driver bug.  Hanging the phone up should unlock the
->line too, unless there's a driver bug....

Not if the control S was sent from the host to the terminal.  The host has
to send the control Q at that time.   Good communications programs have an
over-ride, but I have seen many that don't, and you are out of luck.



-- 
Bill Vermillion - UUCP: uunet!tarpit!bilver!bill
                      : bill at bilver.UUCP