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From: "luke-gru (Luke Gruber) via ruby-core" <ruby-core@ml.ruby-lang.org>
To: ruby-core@ml.ruby-lang.org
Cc: "luke-gru (Luke Gruber)" <noreply@ruby-lang.org>
Subject: [ruby-core:112033] [Ruby master Bug#19374] Issue with Ractor.make_shareable with curried procs
Date: Wed, 25 Jan 2023 13:25:18 +0000 (UTC)	[thread overview]
Message-ID: <redmine.journal-101467.20230125132518.3573@ruby-lang.org> (raw)
In-Reply-To: <redmine.issue-19374.20230124124033.3573@ruby-lang.org>

Issue #19374 has been updated by luke-gru (Luke Gruber).


This issue is fixed by https://github.com/ruby/ruby/pull/7182. I will add a test to that PR for this.

----------------------------------------
Bug #19374: Issue with Ractor.make_shareable with curried procs
https://bugs.ruby-lang.org/issues/19374#change-101467

* Author: luke-gru (Luke Gruber)
* Status: Open
* Priority: Normal
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN
----------------------------------------
This works, but shouldn't:

```ruby
class Worker
  def start(&blk)
    blk = blk.curry # bug in ruby allows sharing of non-shareable proc
    Ractor.make_shareable(blk)
    @ractor = Ractor.new(blk) do |b|
      main = b.call
      p "from ractor: #{main}"
    end
  end

  def work
    @ractor.take
  end
end

worker = Worker.new
a = self # unshareable main object
p "from main: #{a}"
worker.start { a }

worker.work
```

The curried proc has a reference to the original proc and it's not checked for shareability.



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  reply	other threads:[~2023-01-25 13:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 12:40 [ruby-core:112005] " luke-gru (Luke Gruber) via ruby-core
2023-01-25 13:25 ` luke-gru (Luke Gruber) via ruby-core [this message]
2023-01-27  3:48 ` [ruby-core:112071] " hsbt (Hiroshi SHIBATA) via ruby-core
2024-08-18 13:22 ` [ruby-core:118878] " reesericci (Reese Armstrong) via ruby-core

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