How to check if a mutex is locked in Go
blog.trailofbits.com | blog | #go | #debugging | #concurrency | #golang | #reflection | #mutex | #sync | #sync-mutex | #assertions
Summary
Go's sync.Mutex can't tell you if it's locked—a deliberate omission due to race conditions. Reflection on the internal state field enables debug-only assertions for mutex preconditions.
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--- id: 1856 title: "How to check if a mutex is locked in Go" source_domain: blog.trailofbits.com source_url: "https://blog.trailofbits.com/2020/06/09/how-to-check-if-a-mutex-is-locked-in-go/" published_at: "2020-06-09T11:50:53Z" tags: ["go", "debugging", "concurrency", "golang", "reflection", "mutex", "sync", "sync-mutex", "assertions"] phying_url: "https://phying.com/item/1856" lang: en --- # How to check if a mutex is locked in Go ## Summary Go's sync.Mutex can't tell you if it's locked—a deliberate omission due to race conditions. Reflection on the internal state field enables debug-only assertions for mutex preconditions. ## Intelligence Metadata - **Sources:** blog.trailofbits.com - **Published:** 2020-06-09T11:50:53Z - **Original:** https://blog.trailofbits.com/2020/06/09/how-to-check-if-a-mutex-is-locked-in-go/ - **Phying News:** https://phying.com/item/1856