rfkill

[Bastien Nocera]

On Wed, 2009-11-04 at 11:35 -0500, Martin Dubuc wrote:
> Addition of a working version of rfkill in Fedora 12 has been really
> welcomed. In my application, I would like to monitor the RF kill
> switch to detect when user enables/disables Wi-Fi on the system. I
> thought I could use the rfkill executable to do this, using "rfkill
> event", piping the output using popen in my process. However, rfkill
> outputs the events on standard output, but does not flush every time
> it reports an event. When I perform fgets to get the events, I get
> nothing. I am wondering if it would be possible to add a fflush on
> stdout when events are reported on stdout inside rfkill.

You're probably better off monitoring /dev/rfkill yourself directly (for
now[1]), there's example code in gnome-bluetooth, look at
lib/bluetooth-killswitch.c.

You'd basically just need to change the type of killswitch you're
monitoring.

Cheers

[1]: We'd probably want a D-Busified rfkilld in the future.