Should server.run block?

[Oscar Del Ben <oscar@oscardelben.com>]

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Hello,

I'm trying to build a rack handler and I've noticed that if I don't block 
from server.run then Rack::Builder fails. In my config.ru file I do the 
following:

*Rack::Handler::Hare.run MyApp.new*

but then Rack::Builder fails to parse the file when calling the to_app 
method:

def to_app
  app = @map ? generate_map(@run, @map) : @run
  fail "missing run or map statement" unless app
  @use.reverse.inject(app) { |a,e| e[a] }
end

The problem here is that I never call *run* explicitly from config.ru, since I want to use my custom handler, which doesn't block.

I've looked into the thin source code and server.run actually blocks, so that Rack::Builder#to_app is never called. Is this how the server is supposed to behave or am I missing something?

Many thanks,

Oscar Del Ben


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