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End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Fiber.current_scheduler

Fiber.current_scheduler → obj or nil

Returns the Fiber scheduler, that was last set for the current thread with Fiber.set_scheduler if and only if the current fiber is non-blocking.

See also .current .new .blocking? .schedule also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2