> I'm using the ThreadPool class as defined in the Ruby Cookbook, recipe
> 20.7 and running on Windows XP with the One Click installer of Ruby
> 1.8.6 patch level 0.  Normally it works fine.  However, whenever I call
> a command using backticks I get a deadlock.  The script I'm running is
> below, followed by the output.  To see it succeed, comment out the
> backtick line and uncomment out the system line.

Turns out that using backticks with OS X can cause threads to lock up, 
too, in a multi-threaded environment.  Not sure if this is a prob with 
backticks or just Ruby I/O in general, or just mac OS X/win32 specific 
(doubtful on the last one).
GL
-Roger
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