in_tail: Prevent IOHandler.on_notify() being called concurrently#1876

Merged

repeatedly merged 1 commit intofluent:masterfrom fujimotos:sf/fix-concurrent-processing-in-tail

Mar 5, 2018

+5

Commits on Mar 2, 2018

in_tail: Prevent the thread-unsafe method from being called concurrently
Fujimoto Seiji
committed