Fiber#blocking?

() -> bool

fiber.blocking? → true or false

VALUE
rb_fiber_blocking_p(VALUE fiber)
{
    return RBOOL(fiber_ptr(fiber)->blocking);
}

Returns true if fiber is blocking and false otherwise. Fiber is non-blocking if it was created via passing blocking: false to Fiber.new, or via Fiber.schedule.

Note that, even if the method returns false, the fiber behaves differently only if Fiber.scheduler is set in the current thread.

See the “Non-blocking fibers” section in class docs for details.

Ruby version changes

3.0
- Fiber#blocking? tells whether the fiber is non-blocking. [Feature #16786]

See also .blocking .blocking? #backtrace_locations #inspect also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

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