>>20
http://users.actcom.co.il/~choo/lupg/tutorials/multi-thread/multi-thread.html
http://www.cs.cf.ac.uk/Dave/C/node32.html
http://www.humanfactor.com/pthreads/pthread-design-patterns.html
http://vergil.chemistry.gatech.edu/resources/programming/threads.html

http://www.kegel.com/c10k.html