From: rrr_one_1@...
Date: 2020-12-27T13:41:26+00:00
Subject: [ruby-dev:50984] [Ruby master Bug#17482] Ractor.receive doesnt accept Ctrl+C under some condition

Issue #17482 has been reported by riskwa (riskwa anon).

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Bug #17482: Ractor.receive doesnt accept Ctrl+C under some condition
https://bugs.ruby-lang.org/issues/17482

* Author: riskwa (riskwa anon)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-linux]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
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When I run this script, Ctrl+C doesn't work.
Waiting forever on #4 is fine, but I think Ctrl+C should work.

``` ruby
r = Ractor.new() {
  # sleep 1                  #1
  File.open(__FILE__){  }    #2
}

# sleep 1                    #3
p Ractor.receive             #4
```

When I comment out #2, Ctrl+C works.
When I comment in #1 and/or #3, Ctrl+C works.
In my environment, it's reproducable in 100%.

My environment is:
WSL2 ubuntu 5 4.19.128-microsoft-standard #1  i5-10400 6core



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