From 0ac647aa5f18e361341ceab11c0d4bf24a60f21c Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sun, 2 Oct 2016 14:00:18 -0500
Subject: [PATCH] Add timeout to lock wait
---
pytools/persistent_dict.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/pytools/persistent_dict.py b/pytools/persistent_dict.py
index 5ca6b91..c10d4e9 100644
--- a/pytools/persistent_dict.py
+++ b/pytools/persistent_dict.py
@@ -108,6 +108,10 @@ class LockManager(CleanupBase):
from warnings import warn
warn("could not obtain lock--delete '%s' if necessary"
% self.lock_file)
+ if attempts > 3 * 60:
+ raise RuntimeError("waited more than three minutes "
+ "on the lock file '%s'"
+ "--something is wrong" % self.lock_file)
cleanup_m.register(self)
--
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