[ruby/reline] Thread safe readline (https://github.com/ruby/reline/pull/669)
Block until other Reline.readline or Reline.readmultiline finish
https://github.com/ruby/reline/commit/ebab2875f1
[ruby/reline] Thread safe readline
(https://github.com/ruby/reline/pull/669)
Block until other Reline.readline or Reline.readmultiline finish
https://github.com/ruby/reline/commit/ebab2875f1