From: xtkoba+ruby@...
Date: 2021-04-23T04:09:38+00:00
Subject: [ruby-core:103569] [Ruby master Bug#17820] `Errno::EINVAL` from `Process.kill` with available signal on Windows

Issue #17820 has been updated by xtkoba (Tee KOBAYASHI).


I mean for example the following script works even on Windows (MinGW32).
```ruby
Process.kill :TERM, Process.pid
```

----------------------------------------
Bug #17820: `Errno::EINVAL` from `Process.kill` with available signal on Windows
https://bugs.ruby-lang.org/issues/17820#change-91669

* Author: AlexWayfer (Alexander Popov)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.0.1p64 (2021-04-05 revision 0fb782ee38) [x64-mingw32] 
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------
Hello.

I've installed Ruby on Windows via [Chocolatey](https://community.chocolatey.org/packages/ruby).

I receive `Errno::EINVAL` from `Process.kill` with almost every signal. Only `0` seems working. `TERM` (`15`), `INT` (`2`) ��� don't. Although they're in `Signal.list` output:

![](clipboard-202104222051-b64xq.png)


---Files--------------------------------
clipboard-202104222051-b64xq.png (63.9 KB)
clipboard-202104222318-tbufr.png (96.8 KB)


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