Handle system events properly when exclusive
Handle system events properly when exclusive

dilumn/celluloid,davydovanton/celluloid,celluloid/celluloid,TiagoCardoso1983/celluloid,marshall-lee/celluloid,seuros/celluloid,kenichi/celluloid,jasonm23/celluloid,olleolleolle/celluloid,mehta/celluloid,sideci-sample/sideci-sample-celluloid,jstoja/celluloid,tarcieri/celluloid