Bug #21179: Introduction Happy Eyeballs Version 2 broke `Socket.tcp` from secondary Ractors

• Status: Closed
• Assignee: -
• Target version: -
• Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE

[byroot (Jean Boussier)]

require "socket"

Ractor.new do
  Socket.tcp("example.com", 80)
end.take

socket.rb:1046:in 'Socket::HostnameResolutionStore#get_addrinfo': can not access non-shareable objects in constant
Socket::HostnameResolutionStore::PRIORITY_ON_V6 by non-main ractor. (Ractor::IsolationError)
	from socket.rb:724:in 'block in Socket.tcp_with_fast_fallback'
	from socket.rb:720:in 'Socket.tcp_with_fast_fallback'

Proposed patch: https://github.com/ruby/ruby/pull/12896

[byroot (Jean Boussier)]

• Related to Feature #20935: API for Globally Enabling/Disabling Happy Eyeballs Version 2 in the Socket Class added

[byroot (Jean Boussier)]

• Has duplicate Bug #21178: Socket fails in Ractor added

[byroot (Jean Boussier)]

• Status changed from Open to Closed

Applied in changeset git|ba5fb74583303d9e80f3700d0b5433cbc7e7c88e.

---

Fix Socket.tcp_with_fast_fallback to be usable from a Ractor

[Bug #21179]

socket.rb:1046:in 'Socket::HostnameResolutionStore#get_addrinfo': can not access non-shareable objects in constant
Socket::HostnameResolutionStore::PRIORITY_ON_V6 by non-main ractor. (Ractor::IsolationError)
        from socket.rb:724:in 'block in Socket.tcp_with_fast_fallback'
        from socket.rb:720:in 'Socket.tcp_with_fast_fallback'

[tenderlovemaking (Aaron Patterson)]

• Backport changed from 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED to 3.1: DONTNEED, 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE

Backported in 0e416faf450159a989fba87b41f3e3874a4af129