Is there any way to detect at runtime that we're running in VirtualBox? On Tue, Oct 15, 2013 at 7:48 PM, Felipe Farinon <[email protected]> wrote: > I´ve built an application that is running on a Windows 7 inside a > VirtualBox, with zeromq 3.2.2. > > == The problem == > When running one test, I noticed that my application called zmq_poll > with timeout of 2000 but it at one day stopped expiring the timeout. > Similarly, a client application that connected to it and had a loop that > used QueryPerformanceCounter for timeout, suddenly froze and stopped > firing the timeout. After doing some research, I have found that > VirtualBox's QueryPerformanceCounter doesn't guarantee monotonicity > https://www.virtualbox.org/ticket/11951. They argue that even Windows > QueryPerformanceCounter doesn't guarantee it. > > Then I have found that zmq_poll calls clock_t::now_ms which in turn > calls clock_t::now_us which uses QueryPerformanceCounter. > > == My proposal == > We could add a zeromq define that makes zmq_poll use a low precision > timer, such as GetTickCount64 which has less bugs. > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev
-- - Pieter Hintjens CEO of iMatix.com Founder of ZeroMQ community blog: http://hintjens.com _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
