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Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →

instance method

Thread::Mutex#locked?

() -> bool
mutex.locked? → true or false

Returns true if this lock is currently held by some thread.

See also #lock #owned? .new #sleep also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1