From: "hsbt (Hiroshi SHIBATA) via ruby-core" <ruby-core@...>
Date: 2024-01-04T03:59:49+00:00
Subject: [ruby-core:116005] [Ruby master Bug#20146] Code using Ractor with env `RUBY_MAX_CPU=1` ends with unreachable

Issue #20146 has been updated by hsbt (Hiroshi SHIBATA).

Status changed from Open to Assigned
Assignee set to ko1 (Koichi Sasada)

----------------------------------------
Bug #20146: Code using Ractor with env `RUBY_MAX_CPU=1` ends with unreachable
https://bugs.ruby-lang.org/issues/20146#change-105999

* Author: shia (Sangyong Sim)
* Status: Assigned
* Priority: Normal
* Assignee: ko1 (Koichi Sasada)
* ruby -v: ruby 3.4.0dev
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
## Reproducible code

```rb
# sample-code.rb
Ractor.new { 1 }
```

```bash
RUBY_MAX_CPU=1 ruby sample-code.rb # This will not end with exit code 0
RUBY_MAX_CPU=2 ruby sample-code.rb # This ends with exit code 0 as expected
```

## Expected

process with RUBY_MAX_CPU=1 exits successfully as same as RUBY_MAX_CPU more than 1.



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