using select() on /proc filesystem entries
greg at kroah.com
Thu Nov 22 07:45:52 UTC 2007
On Thu, Nov 22, 2007 at 04:24:33PM +0900, Alex White wrote:
> (I hope this is a reasonable place to ask this question. I was going to
> post to lkml, but it didn't seem quite appropriate)
Why not? Or kernelnewbies, that would also work.
> I've written a kernel module that provides some custom I/O between an
> external peripheral and a linux userspace application.
> I've used the /proc interface to allow the application in userspace to
> talk to the kernel module.
Ick, not /proc. /proc is ONLY for process information, not driver
stuff, and never for I/O to userspace. There are so many other ways to
properly to this (device nodes, sysfs, configfs, debugfs, custom
What specifically are you trying to do with your /proc files?
> I'm using the debian sarge 2.4 kernel.
2.4? That's _very_ old. Please try the 2.6 kernel tree.
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