taf2/curb — pull request #197 by hsbt (2014-04-05 15:46:33+00:00)
Title: Support to Ruby 2.2.0

rb_thread_blocking_region will be obsolete in Ruby 2.2.0, Ruby 2.2.0 already remove these methods.

I fixed this issue using rb_thread_call_without_gvl instead of rb_thread_blocking_region.