Hi,

It seems that the "patterns" of synchronization in "The Little Book of 
Semaphores" are just that, patterns. Like other patterns they could be 
implemented as abstract and concrete classes so that rather than having 
to rewrite the solutions all over each time they are off the shelf and 
available for use. A class library of synchronization using semaphores 
might help with enabling people to leverage multi-threading with N-core 
cpus in Smalltalk (where N is greater than or equal to 1) and using 
green threads, native threads or both.

Just a thought.

Cheers,

peter

"The Little Book of Semaphores"
http://www.greenteapress.com/semaphores/downey05semaphores.pdf