Here you could find the code for "C++11 thread tutorial", for more informations visit the project webpage:

http://solarianprogrammer.com/2011/12/16/cpp-11-thread-tutorial/

or:

http://solarianprogrammer.com/2012/02/27/cpp-11-thread-tutorial-part-2/

for the second part of this tutorial.

In order to use the image_processing code you will need a picture in ppm format, you can easily find examples 
on the Internet, or you could use Gimp to save your own picture in ppm format.

You could use this program under the terms of GPL v3, for more details see:

http://www.gnu.org/copyleft/gpl.html

Copyright 2011 Sol from www.solarianprogrammer.com