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Kext to user space process communication

Hi

I9m writing a driver for multimedia keys on a usb keyboard, it just handle
the multimedia key not the regular ones.

My kext is fine so far (volume, sleep, eject, launch apps works) but as it
need to use some higher level functions ( tell the browser to reload the
page, or tell iTunes to play/stop) I must have a daemon (user space process)
to do the fancy stuff

I9ve tried to use CFNotificationCenterPostNotification to send the
notifications but CoreFoundation is not allowed.

Can you tell me how I9m supposed to setup a communication ? All I need is to
send 2 bytes: a keyID.

Thank you

--
Stephane ODUL
email@hidden
http://www.soft.odul.net/
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