https://git.ruby-lang.org/ruby.git/commit/?id=84837e6d16

From 84837e6d16cb0e588b1acc2691cb1048b9a89989 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 30 Jun 2019 09:33:24 +0900
Subject: Wait for the helper thread to terminate


diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index 1929805..48cb60c 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -340,6 +340,7 @@ class TestSignal < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_signal.rb#L340
         w.close
       end
       assert_raise(Errno::ECHILD) { Process.wait(pid) }
+      th.join
       assert_nil nb
     end
 
-- 
cgit v0.10.2


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