Jan Varga 117488daa2 Bug 1694231 - Add support for nested mozStorageTransaction using savepoints; r=dom-storage-reviewers,sg
The nesting level is tracked on the storage connection. The thread safety is
ensured by holding a lock while a transaction is being started/commited/rolled
back. For these purposes, the sharedDBMutex has been exposed on
mozIStorageConnection interface and additional helper methods have been added
to the interface as well.

Differential Revision: https://phabricator.services.mozilla.com/D106019
2021-03-03 18:53:14 +00:00
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