# Lock Ownership

> The requirement that a lock be exclusively held by one actor for the duration of a critical section.

Record: `lexicon:lock-ownership`
Kind: constraint
Layer: [Atomic Boundary](https://banes-lab.com/records/layer/atomic-boundary.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-lock-ownership

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Version Field](https://banes-lab.com/records/lexicon/version-field.md) and before [Lock-Free Throughput](https://banes-lab.com/records/lexicon/lock-free-throughput.md).

## Category

- [Transactions / State / Concurrency](https://banes-lab.com/records/lexicon-category/transactions-state-concurrency.md)

## Required by

- [Pessimistic Locking](https://banes-lab.com/records/architecture/pessimistic-locking.md)

## Linked from

- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)