[plt-scheme] scheme equivelent(?) to select(2)?

Luckily most of my programs have only needed one or two sync points.  I 
haven't needed anything more than semaphores, but mzscheme supports a 
lot of convenient ways to synchronise threads (chapter 7 of the mzscheme 
manual).  I think the thread support is one of the cooler features of 
(mz)scheme.  If you can resist using destructive functions, adding 
threading to programs is easy and fun.

>Fascinating idea. I have used threads in other languages. In mzscheme
>I had not thought of using blocking threads for each of the monitored
>client connections. Do you have any problems synchronizing data across
>the multiple threads?
>
>Mike
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