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Latest revisions

# Date Author Comment
b2dabfd6 03/04/2008 07:12 pm Guido Trotter

LockSet: handle empty case

A LockSet is mostly useful when it has some locks in it. On the other hand
there are cases in which it must function even when empty. For example if a
cluster has no instances in it there's no reason why locking all of them
shouldn't work anyway. This patch adds test code for that situation and...

b5c0e9d9 03/04/2008 07:12 pm Guido Trotter

LockSet: add missing check code

This check that no operation had been performed before release() was missing in
the test code. Adding it.

Reviewed-by: imsnah

ea3f80bf 03/04/2008 07:12 pm Guido Trotter

LockSet: collapse two try/except into one

Reviewed-by: imsnah

9a39f854 03/04/2008 07:11 pm Guido Trotter

SharedLock: remove wrong assertion in code

r644 contained some cleanup code for LockSet. Among other things it removed a
syntax error that allowed an assertion that previously wan't really checked to
trigger. It turns out that even though the spirit of that assertion was correct...

cdb08f44 03/04/2008 04:46 pm Michael Hanselmann

Codestyle updates for locking code

Reviewed-by: ultrotter

3b7ed473 03/04/2008 03:18 pm Guido Trotter

LockSet: make acquire() able to get the whole set

This new functionality makes it possible to acquire a whole set, by passing
"None" to the acquire() function as the list of elements. This will avoid new
additions to the set, and then acquire all the current elements. The list of...

806e20fd 03/04/2008 03:18 pm Guido Trotter

LockSet: encapsulate acquire() in try-except

This patch adds a try/except area around most of the acquire() code (everything
after the intial condition checks). Since the except: clause contains just a
'raise' nothing really changes except the indentation of the code....

0cf257c5 03/04/2008 03:17 pm Guido Trotter

Make LockSet.__names() return a list, not a set

Previously the private version of the __names function returned directly a set.
We'll keep this in the public interface but change the private version to a
list in order to be able to sort() its result and then loop on it, even though...

3f404fc5 03/04/2008 03:17 pm Guido Trotter

LockSet: improve remove() api

Lockset's remove() function used to return a list of locks we failed to remove.
Rather than doing this we'll return a list of removed locks, so it's more
similar to how acquire() behaves. This patch also fixes the relevant unit tests....

0cc00929 03/04/2008 03:17 pm Guido Trotter

LockSet: make acquire() return the set of names

In a LockSet acquire() returned True on success. This code changes that to
return a set containing the names of the elements acquired. This is still a
true value if we acquired any lock but is slightly more useful (because if...

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