From 1d1186794e8f489d8c58b64f2f5eb5570a17b09d Mon Sep 17 00:00:00 2001
From: David Verhasselt <david@crowdway.com>
Date: Sun, 17 Apr 2016 15:09:46 +0300
Subject: [PATCH] Cleanup threads

---
 spec/semaphore_spec.rb | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/spec/semaphore_spec.rb b/spec/semaphore_spec.rb
index 04ceb26..e2c0d65 100644
--- a/spec/semaphore_spec.rb
+++ b/spec/semaphore_spec.rb
@@ -285,11 +285,12 @@
     it "gracefully expires stale lock" do
       expiration = 1
 
-      Thread.new do
-        semaphore.simple_expiring_mutex(:test, expiration) do
-          sleep 3
+      thread =
+        Thread.new do
+          semaphore.simple_expiring_mutex(:test, expiration) do
+            sleep 3
+          end
         end
-      end
 
       sleep 1.5
 
@@ -303,6 +304,7 @@
       end
 
       expect(it_worked).to be_truthy
+      thread.join
     end
   end
 end