From 709ba99afda371bb19a34e4448dc771a6cdab320 Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Mon, 7 Sep 2015 16:45:55 +0100
Subject: [PATCH] Check that /proc/self/fd exists before listing it
---
synapse/metrics/__init__.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py
index 3f7b7158aa..943d637459 100644
--- a/synapse/metrics/__init__.py
+++ b/synapse/metrics/__init__.py
@@ -130,6 +130,10 @@ def _process_fds():
counts = {(k,): 0 for k in TYPES.values()}
counts[("other",)] = 0
+ # Not every OS will have a /proc/self/fd directory
+ if not os.path.exists("/proc/self/fd"):
+ return counts
+
for fd in os.listdir("/proc/self/fd"):
try:
s = os.stat("/proc/self/fd/%s" % (fd))
--
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