[gtkmm] libsigc++

[Chris Vine <chris cvine freeserve co uk>]

"You don't have to do threading at the C level. You can use a C++ 
threading library. There are quite a few of them. If you want callbacks, 
don't use just plain C functions. Get libc++, and you'll have a proper 
library that deals with callbacks—callback classes, slots and signals, 
that kind of stuff. It's available. It's conceptually closer to what 
you're thinking about anyway. And you don't have to mess with error 
prone details."

I assume, a slightly offtrack compliment to libsigc++ from Barne 
Stroustrup - since there is no libc++ (other than the g++ one which 
doesn't include slots/signals).

http://www.artima.com/intv/goldilocks.html