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A lock file is often the best approach if the resource to be controlled is not a regular file at all, so using methods for locking files does not apply. For example, a lock file might govern access to a set of related resources, such as several different files, directories, a group of disk partitions, or selected access to higher level ...
Record locking is the technique of preventing simultaneous access to data in a database, to prevent inconsistent results.. The classic example is demonstrated by two bank clerks attempting to update the same bank account for two different transactions.
Lock (computer science), a bookkeeping object used to serialize concurrent access; Lock (database), a feature used when multiple users access a database concurrently; File locking, describes a mechanism that restricts access to a computer file; SIM lock, a restriction on mobile phones to work only in certain countries or with certain providers
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10 Simple but clever locking/unlocking (also handles locks of processes that have been terminated unexpectedly) Simple but clever locking/unlocking (also handles locks of
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