Fix freeze (and failure to exit) when exception is thrown in single threaded mode
Fix freeze (and failure to exit) when exception is thrown in single threaded mode

ppy/osu-framework,ZLima12/osu-framework,peppy/osu-framework,smoogipooo/osu-framework,ppy/osu-framework,EVAST9919/osu-framework,EVAST9919/osu-framework,EVAST9919/osu-framework,peppy/osu-framework,ppy/osu-framework,ZLima12/osu-framework,smoogipooo/osu-framework,EVAST9919/osu-framework,peppy/osu-framework