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authorDaniel Wagner-Hall <daniel@matrix.org>2015-11-12 11:58:48 +0000
committerDaniel Wagner-Hall <daniel@matrix.org>2015-11-12 11:58:48 +0000
commit6a9c4cfd0be467e290be52b02e6229fd30367c6e (patch)
treec615718d013da8d34b50deadf80d2bfc4e28d492 /synapse/config
parentMerge branch 'release-v0.11.0' of github.com:matrix-org/synapse into develop (diff)
downloadsynapse-6a9c4cfd0be467e290be52b02e6229fd30367c6e.tar.xz
Fix race creating directories
Diffstat (limited to 'synapse/config')
-rw-r--r--synapse/config/_base.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
index ceef309afc..c18e0bdbb8 100644
--- a/synapse/config/_base.py
+++ b/synapse/config/_base.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 import argparse
+import errno
 import os
 import yaml
 import sys
@@ -91,8 +92,11 @@ class Config(object):
     @classmethod
     def ensure_directory(cls, dir_path):
         dir_path = cls.abspath(dir_path)
-        if not os.path.exists(dir_path):
+        try:
             os.makedirs(dir_path)
+        except OSError, e:
+            if e.errno != errno.EEXIST:
+                raise
         if not os.path.isdir(dir_path):
             raise ConfigError(
                 "%s is not a directory" % (dir_path,)