From 5de144f3a56eaee430680bc83d80a8a3e8134fdc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 21 Mar 2013 14:17:10 +0000
Subject: thread.c: fix deadlock

* thread.c (ruby_kill): get rid of deadlock on signal 0.
  [ruby-dev:47182] [Bug #8137]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_signal.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'test/ruby')

diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index c7cce9a9d7..fa385c0312 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -283,7 +283,13 @@ EOS
     # This ugly workaround was introduced to don't break
     # compatibility against silly example codes.
     assert_raise(SignalException) {
-      Process.kill('HUP',Process.pid)
+      Process.kill('HUP', Process.pid)
+    }
+    bug8137 = '[ruby-dev:47182] [Bug #8137]'
+    assert_nothing_raised(bug8137) {
+      Timeout.timeout(1) {
+        Process.kill(0, Process.pid)
+      }
     }
   end
 end
-- 
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