Rev 4542: NEWS entry in

John Arbash Meinel john at
Fri Jul 31 19:40:10 BST 2009


revno: 4542
revision-id: john at
parent: john at
committer: John Arbash Meinel <john at>
branch nick: 1.18-lock-warnings
timestamp: Fri 2009-07-31 13:39:55 -0500
  NEWS entry
-------------- next part --------------
=== modified file 'NEWS'
--- a/NEWS	2009-07-30 14:24:06 +0000
+++ b/NEWS	2009-07-31 18:39:55 +0000
@@ -145,6 +145,13 @@
 * ``CHKMap.apply_delta`` now raises ``InconsistentDelta`` if a delta adds
   as new a key which was already mapped. (Robert Collins)
+* ``-Dstrict_locks`` can now be used to check that read and write locks
+  are treated properly w.r.t. exclusivity. (We don't try to take an OS
+  read lock on a file that we already have an OS write lock on.) This is
+  now set by default for all tests, if you have a test which cannot be
+  fixed, you can use ``self.thisFailsStrictLockCheck()`` as a
+  compatibility knob. (John Arbash Meinel)
 * Inventory delta application catches more cases of corruption and can
   prevent corrupt deltas from affecting consistency of data structures on
   disk. (Robert Collins)

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