Re: ModemManager serial port lock-files

[Aleksander Morgado <aleksander lanedo com>]

> I have several serial ports in my system but also I have a daemon that
> is responsible for communication with several devices connected to those
> serial ports. This daemon runs as root. However when MM starts it tries
> to find modem via writing to all serial ports registered in the system.
> That operation break protocols of these devices.
>
> I am thinking of adding support of lock-files to MM. Is it good to add
> such support in mm-manager.c to test locks, in mm-serial-port to acquire
> and release those locks?

What MM version is this? MM shouldn't be probing platform serial (RS232)
ports by default, unless they are explicitly white-listed. For USB
devices exposing ttys which aren't modems, we can blacklist them in our
udev rules. Would that help?

-- 
Aleksander