# Ad-Hoc Lock Ordering

> Ordering lock acquisition by hand-reasoning rather than a proven scheme, inviting deadlock.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Pure Core / Imperative Shell](https://banes-lab.com/records/lexicon/pure-core-imperative-shell.md) and before [Concurrency Correctness](https://banes-lab.com/records/lexicon/concurrency-correctness.md).

## Category

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

## Negated by

- [Petri Nets](https://banes-lab.com/records/architecture/petri-nets.md)

## Linked from

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