Hello Tommi, We can download the lastest repository version et use it by now ?
Thank, Jean-Michel Caricand > Message du 22/09/13 20:13 > De : "Tommi Mäkitalo" > A : [email protected] > Copie à : > Objet : Re: [Tntnet-general] Bug fixed in tntnet > > Hi again, > > I improved the fix a little. There was still one case, which was not > covered. > > And I found out, that the job in tntnet do not need to be atomic ref > counted but simple ref counted is sufficient, which speeds up tntnet in > my tests by about 1%. Not much but better than nothing. I'm surprised, > that it was that big that I could measure it. > > Tommi > > Am 22.09.2013 17:32, schrieb Tommi Mäkitalo: > > Hi, > > > > About a month ago a user reported a crash in tntnet. They have a server > > running with ssl and after one or two days, tntnet crashed with a error > > message "pthread_mutex_unlock failed": errno 1: Operation not permitted. > > > > Yesterday I was finally able to reproduce the bug and today I fixed it > > and checked the fix in. > > > > The bug was not related to ssl at all. It was a racing condition The bug > > has always been in tntnet. > > > > The problem was, that when a request arrives, the thread passes the task > > for waiting for new connections to a new thread. It may happen, that the > > new thread takes it over, accepts a new connection, reads the request > > and answers it before the previous thread drops ownership of this new > > task. The new thread then releases the job before the old and since the > > old thread holds the task longer, it will do the clean up. This clean up > > includes unlocking the session scope. But since the new thread locked > > the session scope, the old thread is not allowed to release the lock. > > The solution is just to drop the ownership of the new job before > > releasing the lock of the job queue in the old thread. > > > > The bug happens only when the client do not use keep alive. Normally a > > browser always uses keep alive. This may be the reason, why it has never > > been a problem. > > > > Tommi > > > ------------------------------------------------------------------------------ > LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! > 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint > 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes > Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/22/13. > http://pubads.g.doubleclick.net/gampad/clk?id=64545871&iu=/4140/ostg.clktrk > _______________________________________________ > Tntnet-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/tntnet-general > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/22/13. http://pubads.g.doubleclick.net/gampad/clk?id=64545871&iu=/4140/ostg.clktrk _______________________________________________ Tntnet-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tntnet-general
