Hi Hartwig, What version of the OSG are you using? What platform? What compiler?
Robert. On 24 March 2018 at 13:53, Hartwig Wiesmann <[email protected]> wrote: > Hi, > > I have the following scenario: > > 1) A scene is using a database pager to load data by a pseudo-loader via the > network; the viewer runs single threaded, the database pager uses default > parameters > 2) When the database pager is still loading data via the network the viewer > is closed. > 3) Because of the closing of the viewer the database pager's destructor is > called but it seems to be that the database threads are still running (I put > some output at the end of the database pager's destructor and inside database > pager's database threads and the database threads are still producing output). > Looking at the database pager's destructor the threads are not finished but > will stop only when their current task has finished, I think. > 4) The database thread will crash at > > Code: > DatabasePager::FindCompileableGLObjectsVisitor stateToCompile(_pager, > _pager->getMarkerObject()); > > inside DatabasePager::DatabaseThread::run(). > 5) The reason for the crash is that DatabaseThread uses a simple pointer to > the database pager. But the database pager is gone and therefore the stored > pointer ("_pager") became invalid! > > Am I doing anything wrong or is this a bug in OSG? > > I think that "_pager" should be at least an observer of the database pager > pointer and not a bare pointer. Or the destructor of DatabasePager must > invalidate all its references stored in DatabasePager::DatabaseThread. > > Cheers, > Hartwig > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=73157#73157 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
