[ruby-core:121934] [Ruby Bug#20897] resolv: not usable across ractors

9 May 2025

      Issue #20897 has been updated by byroot (Jean Boussier).

Status changed from Open to Closed

The linked PR was merged.

----------------------------------------
Bug #20897: resolv: not usable across ractors
https://bugs.ruby-lang.org/issues/20897#change-113045

* Author: chucke (Tiago Cardoso)
* Status: Closed
* Assignee: ractor
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
Using the `resolv` library in a non-main ractor is impossible, due to DNS resources being memoized in a mutable class variable. 

[This patch](https://github.com/ruby/resolv/pull/62) fixes it by storing resource information in static variables. 

-- 
https://bugs.ruby-lang.org/