Chang Wen writes:
> The thing I am trying to do now is to pass message to a user-mode
> application from kernel when the application is up and running in the
> following way: the kernel detects the application is up and sends message to
> the application at certain times or certain events.
>
> Wonder what mechanism I can use to fulfill the message passing part (or
> communication part).
You can create a pseudo device that the application opens in read or r/w
mode, and then the kernel driver writes (and reads) messages to the device
which the user-space application reads (and writes).
Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
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