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class method · added in Ruby 3.4

Ractor.main?

() -> ::boolish

main?

# File tmp/rubies/ruby-4.1.0-preview1/ractor.rb, line 547
def self.main?
  Primitive.attr! :leaf
  __builtin_cexpr! %q{
    RBOOL(GET_VM()->ractor.main_ractor == rb_ec_ractor_ptr(ec))
  }
end

Returns true if the current ractor is the main ractor.

Ruby version changes

3.4
- Ractor.main? is added. [Feature #20627]

See also .main .make_shareable .current .new also in 4.0 · 3.4

‹ prev.main next ›.make_shareable