class method

Fiber.scheduler

() -> untyped?

Fiber.scheduler → obj or nil

static VALUE
rb_fiber_s_scheduler(VALUE klass)
{
    return rb_fiber_scheduler_get();
}

Returns the Fiber scheduler, that was last set for the current thread with Fiber.set_scheduler. Returns nil if no scheduler is set (which is the default), and non-blocking fibers’ behavior is the same as blocking. (see “Non-blocking fibers” section in class docs for details about the scheduler concept).

Ruby version changes

3.0
- Introduce Fiber.set_scheduler for intercepting blocking operations and Fiber.scheduler for accessing the current scheduler. See fiber.md for more details about what operations are supported and how to implement the scheduler hooks. [Feature #16786]

See also .schedule .set_scheduler .new .yield also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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