id summary reporter owner description type status milestone component version severity resolution keywords cc 6275 On Mac OS X deadline_timer::cancel() may hangs Andrew Kargalov chris_kohlhoff "When deadline_timer is canceled from signal handler after the next signal arrived it cause hang on detail::posix_mutex::lock(). This behaviour couldn't be reproduced on linux and freebsd." Bugs closed To Be Determined asio Boost 1.48.0 Problem fixed