on 23/04/2008 16:55 John Baldwin said the following: > On Tuesday 22 April 2008 03:54:17 pm Andriy Gapon wrote: >> Maybe this is a crazy idea or maybe we already have something like this. >> Is it possible to get notifications about changes in devfs - appearance >> and disappearance of devices (in devfs sense of the word)? >> devctl currently notifies about real (hardware) devices handled by >> device drivers and some notifications about hardware/driver events. >> But what if I want to automatically run some action if >> /dev/ufs/magic-label appears? >> Or if I want to monitor appearance and disappearance of ad* and da* >> devices (without having to monitor low level drivers like umass)? > > You would just need to add new hooks to devfs to feed events to devctl when > devices come and go. Other non-new-bus things like ifnet's already do this, > so there is precedent. >
Thank you! This sounds like something rather simple, I'll try to create a patch. I think it would be a good idea to include "dev/" prefix in device name, so that devfs device is not confused with "driver device" (e.g. dev/umass0 vs umass0). -- Andriy Gapon _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
