[Checkins] [zopefoundation/ZODB] 0c0b38: mvccadapter: fix race between Connection.open() an...

[Julien Muchembled]

  Branch: refs/heads/issue290
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 0c0b382407fcd50537c8f4e515fa82e63376086b
      https://github.com/zopefoundation/ZODB/commit/0c0b382407fcd50537c8f4e515fa82e63376086b
  Author: Julien Muchembled <jm at nexedi.com>
  Date:   2019-12-13 (Fri, 13 Dec 2019)

  Changed paths:
    M src/ZODB/FileStorage/tests.py
    M src/ZODB/mvccadapter.py
    M src/ZODB/tests/testConnection.py
    M src/ZODB/tests/testmvcc.py

  Log Message:
  -----------
  mvccadapter: fix race between Connection.open() and invalidations