From 43ec577e2c2d630fc38a1e7ebcc13d519f79085c Mon Sep 17 00:00:00 2001
From: Brian Curtin <brian.curtin@gmail.com>
Date: Fri, 5 Nov 2010 15:17:11 +0000
Subject: [PATCH] Close subprocess pipes in _kill. Fixes a number of
 ResourceWarnings.

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

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index b67eed5077fd..c7cf24b490ee 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -1006,6 +1006,9 @@ def _kill(self, sig):
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.PIPE,
                                 stdin=subprocess.PIPE)
+        self.addCleanup(proc.stdout.close)
+        self.addCleanup(proc.stderr.close)
+        self.addCleanup(proc.stdin.close)
 
         count, max = 0, 100
         while count < max and proc.poll() is None: