ConditionVariable

     # File lib/phusion_passenger/utils.rb, line 525
525:         def timed_wait(mutex, secs)
526:                 if secs > 100000000
527:                         # NOTE: If one calls timeout() on FreeBSD 5 with an
528:                         # argument of more than 100000000, then MRI will become
529:                         # stuck in an infite loop, blocking all threads. It seems
530:                         # that MRI uses select() to implement sleeping.
531:                         # I think that a value of more than 100000000 overflows
532:                         # select()'s data structures, causing it to behave incorrectly.
533:                         # So we just make sure we can't sleep more than 100000000
534:                         # seconds.
535:                         secs = 100000000
536:                 end
537:                 if defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
538:                         if secs > 0
539:                                 return wait(mutex, secs)
540:                         else
541:                                 return wait(mutex)
542:                         end
543:                 else
544:                         require 'timeout' unless defined?(Timeout)
545:                         if secs > 0
546:                                 Timeout.timeout(secs) do
547:                                         wait(mutex)
548:                                 end
549:                         else
550:                                 wait(mutex)
551:                         end
552:                         return true
553:                 end
554:         rescue Timeout::Error
555:                 return false
556:         end

     # File lib/phusion_passenger/utils.rb, line 560
560:         def timed_wait!(mutex, secs)
561:                 require 'timeout' unless defined?(Timeout)
562:                 if secs > 100000000
563:                         # See the corresponding note for timed_wait().
564:                         secs = 100000000
565:                 end
566:                 if defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
567:                         if secs > 0
568:                                 if !wait(mutex, secs)
569:                                         raise Timeout::Error, "Timeout"
570:                                 end
571:                         else
572:                                 wait(mutex)
573:                         end
574:                 else
575:                         if secs > 0
576:                                 Timeout.timeout(secs) do
577:                                         wait(mutex)
578:                                 end
579:                         else
580:                                 wait(mutex)
581:                         end
582:                 end
583:                 return nil
584:         end