From 1460ce5a9325690d8a1913c296a9bba437ff0f39 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 22 Aug 2017 16:51:09 +0200
Subject: [PATCH] bpo-31258: test_signal: call waitpid() to prevent zombie
 process (#3183)

---
 Lib/test/test_signal.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 27054f17ba..5cff13a0df 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -185,6 +185,9 @@ class InterProcessSignalTests(unittest.TestCase):
                 self.fail('Test deadlocked after %d seconds.' %
                           self.MAX_DURATION)
 
+            # read the exit status to not leak a zombie process
+            os.waitpid(child, 0)
+
 
 @unittest.skipIf(sys.platform == "win32", "Not valid on Windows")
 class BasicSignalTests(unittest.TestCase):
-- 
2.50.1