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Merge pull request #561 from ThomasWaldmann/fix-locking

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fix locking, partial fix for #502
This commit is contained in:
TW 2016-01-16 18:46:13 +01:00
commit c667d330b4
1 changed files with 3 additions and 1 deletions
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4
borg/locking.py
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@ -278,9 +278,11 @@ def _wait_for_readers_finishing(self, remove, sleep):
try: try:
if remove is not None: if remove is not None:
self._roster.modify(remove, REMOVE) self._roster.modify(remove, REMOVE)
remove = None
if len(self._roster.get(SHARED)) == 0: if len(self._roster.get(SHARED)) == 0:
return # we are the only one and we keep the lock! return # we are the only one and we keep the lock!
# restore the roster state as before (undo the roster change):
if remove is not None:
self._roster.modify(remove, ADD)
except: except:
# avoid orphan lock when an exception happens here, e.g. Ctrl-C! # avoid orphan lock when an exception happens here, e.g. Ctrl-C!
self._lock.release() self._lock.release()