From: "Iñaki Baz Castillo" Date: 2011-04-11T16:30:46+09:00 Subject: Re: How to know whether current Fiber is the root Fiber? 2011/4/8 7stud -- : > Instead, make that: > > require 'fiber' > > root_fiber = Fiber.current > > f = Fiber.new do >  if Fiber.current.eql?(root_fiber) >    puts 'root fiber' >  else >    puts 'not root fiber' >  end > >  Fiber.yield "hello world" > end > > f.resume > > if Fiber.current.eql?(root_fiber) >  puts 'root fiber' > else >  puts 'not root fiber' > end Great solution :) Thanks a lot. -- Iñaki Baz Castillo