Hi, At Wed, 1 Apr 2009 17:33:51 +0900, Sean O'Halpin wrote in [ruby-core:23094]: > Instead of not sleeping at all, sleep(0) sleeps forever on > Mac OSX 10.4. Multiruby output below: Seems only on OS X 10.4. It worked fine on 10.5. Could you tell where it stops? -- Nobu Nakada