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root / src / Ganeti / Locking / Allocation.hs @ 80004e70

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# Date Author Comment
80004e70 02/19/2014 03:45 pm Klaus Aehlig

Add a convenience function to free all locks of an owner

While freeing all locks of a single owner can easily be defined
out of listLocks and updateLocks, it is worth having this function
in its own right. For example, it will be needed when the death of...
c6d48e16 02/19/2014 03:45 pm Klaus Aehlig

Add missing documentation to exported function listLocks

The module Ganeti.Locking.Allocation exports the function listLocks,
hence a documentation string is required. Add it.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
15208e95 02/17/2014 03:40 pm Klaus Aehlig

Add function describing lock updates

Add the pure part of the mechanism of updating locks. To allow
for efficient waiting on locks, return the set of owners of the locks
on which the operation is blocked.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
c2b8d366 02/17/2014 03:40 pm Klaus Aehlig

Add data structure representing current lock status

To allow for jobs as processes, a central daemon (wconfd) will
handle allocation and release of locks. Add an appropriate data
structure to describe the current status of the locks.

Signed-off-by: Klaus Aehlig <>...