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Latest revisions

# Date Author Comment
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...
8b68f394 03/04/2008 03:16 pm Guido Trotter

LockSet: invert try/for nesting in acquire()

This patch changes nothing to the functionality of a LockSet. Rather than
trying to do the whole for loop we try each of its steps. This opens the way to
handle differently a single failure.

Reviewed-by: imsnah
7ee7c0c7 03/04/2008 12:09 pm Guido Trotter

Initial GanetiLockManager implementation

Includes some locking-related constants and explanations on how the
LockManager should be used, the class itself and its test cases.

The class includes:
- a basic constructor
- functions to acquire and release lists of locks at the same level...

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