From 7ba428b5d1d3c6d56a2e534daf7b3983cf3f46bf Mon Sep 17 00:00:00 2001
From: Tim Newsome <tim@sifive.com>
Date: Tue, 24 Apr 2018 11:21:27 -0700
Subject: [PATCH] Fix race when making logs directory

---
 debug/testlib.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/debug/testlib.py b/debug/testlib.py
index 38ae33b..0fe0322 100644
--- a/debug/testlib.py
+++ b/debug/testlib.py
@@ -594,8 +594,12 @@ class PrivateState(object):
         self.gdb.pop_state()
 
 def run_all_tests(module, target, parsed):
-    if not os.path.exists(parsed.logs):
+    try:
         os.makedirs(parsed.logs)
+    except OSError:
+        # There's a race where multiple instances of the test program might
+        # decide to create the logs directory at the same time.
+        pass
 
     overall_start = time.time()
 
-- 
2.30.2