[PLUG] kernel sockets, anyone?

[Sean Finney <seanius@seanius.net>]

hey all--

so i'm experimenting with kernel-level sockets, and i have a working
daemon that listens on a given tcp/ip port and writes "hello" to anyone
that connects.  the problem is, that I'm getting an increasing number
of lingering connections in the CLOSE_WAIT state after the client
disconnects.

normally, i remember doing something with setsockopt and SO_LINGER to
get rid of that back in the good ol' days of userland, but I either
can't remember how I did that, or that functionality doesn't exist
in kernel sockets.

anyone have an idea?  my current guess is that there's some data left
somewhere on the wire, and i have to figure out how to flush it and
close the socket... only, I don't know how to do this in the kernel ;p

thanks
--sean

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