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Bug #19415
closed
Incorrect circularity warning for concurrent requires
Description
This script performs 5 concurrent require calls to the same file:
threads = []
5.times do
threads << Thread.new {
p require 'bar'
}
end
threads.each(&:join)
The file bar.rb is simply
sleep 0.1
Now, if you execute the main script with warnings enabled:
ruby -W2 -I. foo.rb
you'll see one true and four false as expected. But also four warnings:
circular require considered harmful - /Users/fxn/tmp/bar.rb
As you see, there isn't really a circular require going on, so the warning itself is incorrect. On the other hand, concurrent require calls for the same file is something routinely happening and supported.
I'd suggest that script should issue no warning.
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