From 9b00b9a10d5fdfd2d9deb1b0e847695797b7e09b Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Tue, 6 Mar 2018 17:47:40 -0800
Subject: [PATCH] [subset] Fix deadlock waiting for process output in subset
 test runner.

---
 test/subset/run-tests.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 072a49d5f..4c77de097 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -19,9 +19,9 @@ from subset_test_suite import SubsetTestSuite
 def cmd(command):
 	p = subprocess.Popen (
 		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-	p.wait ()
-	print (p.stderr.read (), end="") # file=sys.stderr
-	return p.stdout.read (), p.returncode
+	(stdoutdata, stderrdata) = p.communicate()
+	print (stderrdata, end="") # file=sys.stderr
+	return stdoutdata, p.returncode
 
 def read_binary(file_path):
 	with open(file_path, 'rb') as f: