-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 There are lots of ways this analogy could be extended with amusing consequences (just remembering back to when I used to regularly teach teenagers - they would have had a field day with it). :-)
"It's like there's just one loo (but make sure you don't block)." (Sorry). :-P N. On 12/01/13 02:56, kirby urner wrote: > I think an obvious way to describe the use of locks when > multi-threading is to use the coffee shop model (same as airplane > model), where there's only one bathroom / toilet. Or maybe there > are two but each takes its own key. Or mulitple unisex (still for > one passenger only) like portable ones at the fair. > > boyz = threading.Lock() girlz = threading.Lock() > > Only one customer per bathroom at any one time, so there's a queue > for the keys (we call them locks but they're like keys that unlock > your access to the facilities, then you release it back at the > counter so another customer might go). > > Kirby > > Speaking of airplanes.... > > Snakes on a plane: > http://gawker.com/5974780/snake-on-a-plane-qantas-passenger-spots-python-on-wing-during-flight > > http://xkcd.com/107/ > _______________________________________________ Edu-sig mailing > list Edu-sig@python.org > http://mail.python.org/mailman/listinfo/edu-sig > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQEcBAEBAgAGBQJQ8c3wAAoJEP0qBPaYQbb6un4H+wZWOCV+ILnqEK+X5abwMzZd R8g5CnRRo1I2nyUFi5WZN3IhlYa2BG3JJF50gzWvxvrVyMYUPDgbf6xxyN2f99UX NEnmpigW7SniWUpVfW6Ehr5PPdabT3piYVUpyygtr27ElN78l4zWMx6ojmmm8lLQ uo4lrimZAG0i843IqbbQ+n93qF+lRCEnN9e25yvwO/c8SiVi6kY2rLqxW/fds1YA M5W2fOAVdrwFsNAA/T7q/htFWaBmb+EY0t52WAmS49btcvEck4l8Gj3lY7brYoMv HrtnQ8iNyVDecRhqnC+XvzsSHcJ2/3754bgc/OS8Wc3kWVvkPjOQ5jnkFvGmNq4= =fiWY -----END PGP SIGNATURE----- _______________________________________________ Edu-sig mailing list Edu-sig@python.org http://mail.python.org/mailman/listinfo/edu-sig
