Ruby Issue Tracking System

08/27/2025

03:02 AM Ruby Revision 5ff7b2c5 (git): [DOC] Add Ractor to NEWS

jhawthorn (John Hawthorn)

08/21/2025

10:42 PM Ruby Revision 823d55a8 (git): Add lock-free fastpath to callable_method_entry...

jhawthorn (John Hawthorn)

07:45 PM Ruby Bug #20346 (Closed): FiberScheduler.unblock not called by Thread#join when Thread body contains Ractor.take

This no longer deadlocks. Under the new Ractor API the `take` should be replaced with `value`.
``` ruby
require "... jhawthorn (John Hawthorn)

07:37 PM Ruby Bug #19407 (Closed): 2 threads taking from current ractor will hang forever

I believe the Ractor::Port interface doesn't suffer from this issue
```
ruby -e 'th = 2.times.map { |i| Thread.ne... jhawthorn (John Hawthorn)

06:37 PM Ruby Bug #20146 (Closed): Code using Ractor with env `RUBY_MAX_CPU=1` ends with unreachable

Applied in changeset commit:git|7ac16eff311f9bc762586bda9540d82e8eb7f135.
----------
Adjust snt < max_cpu calculatio... jhawthorn (John Hawthorn)

06:37 PM Ruby Revision 7ac16eff (git): Adjust snt < max_cpu calculation

[Bug #20146]
Previously we dealt with the main Ractor not being enabled for M:N by
incrementing snt_cnt++. This work... jhawthorn (John Hawthorn)

07:17 AM Ruby Revision feb83316 (git): Atomic CC table set in cache_callable_method_entry

jhawthorn (John Hawthorn)

03:05 AM Ruby Feature #21039: Ractor.make_shareable breaks block semantics (seeing updated captured variables) of existing blocks

Eregon (Benoit Daloze) wrote in #note-24:
> ```ruby
> counter = 0
> get "/" do # assume the proc gets copied here ... jhawthorn (John Hawthorn)

08/20/2025

06:00 PM Ruby Revision 5c96bbf3 (git): Avoid spawning thread for trivial getnameinfo calls

When calling getnameinfo we spawn a thread because it may do a slow,
blocking reverse-DNS lookup. Spawning a thread i... jhawthorn (John Hawthorn)

08/19/2025

07:00 PM Ruby Feature #21039: Ractor.make_shareable breaks block semantics (seeing updated captured variables) of existing blocks

tenderlovemaking (Aaron Patterson) wrote in #note-21:
>
> ```ruby
> foo = 123
> Ractor.shareable_proc { foo }
>... jhawthorn (John Hawthorn)