| creating window | |
| detach_callback start | |
| finished first callback test | |
| Exiting with stacked callbacks | |
| finished exit test | |
| Starting busy work | |
| Starting busy build | |
| Detaching | |
| Detach finished | |
| Done busy building | |
| Done busy working | |
| finished detach test | |
| finished second callback test | |
| SuspendSelf resumed, exiting | |
| detach_callback done |