Handle Mutex#sleep change planned in Ruby 3.1#683

Merged

soutaro merged 3 commits intoruby:masterfrom jeremyevans:mutex-sleep-nil-fix-16608

Jun 21, 2021

+3-3

Commits on Jun 16, 2021

Handle Mutex#sleep change planned in Ruby 3.1
jeremyevans
committed

Commits on Jun 18, 2021