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End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Thread::Mutex#try_lock

mutex.try_lock → true or false

Attempts to obtain the lock and returns immediately. Returns true if the lock was granted.

See also #synchronize #unlock #sleep also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1