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Check that /proc/self/fd exists before listing it

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This commit is contained in:
Mark Haines 2015-09-07 16:45:55 +01:00
parent 9e4dacd5e7
commit 709ba99afd
1 changed files with 4 additions and 0 deletions
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4
synapse/metrics/__init__.py
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@ -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))