Qt iOS/macOS event dispatcher logging

gistfile1.txt

define env var QT_LOGGING_RULES with value qt.eventdispatcher.debug=true

iOS output on 5.15.5:

[qt.eventdispatcher] Running UIApplicationMain
[qt.eventdispatcher] Application launched with options NSObject(0x0)
[qt.eventdispatcher] Running main() on separate stack
[qt.eventdispatcher] Signaled posted event run-loop source

...

[qt.eventdispatcher] Processing events with flags QFlags(0x4|0x20)
[qt.eventdispatcher] QEventLoop exec detected, jumping back to system runloop ↵
[qt.eventdispatcher] ↳ Jumped from processEvents due to exec

...

[qt.eventdispatcher] Marking current processEvent as interrupted
[qt.eventdispatcher] Jumping into processEvents due to system runloop exit ⇢
[qt.eventdispatcher] ⇢ System runloop exited, returning with eventsProcessed = true
[qt.eventdispatcher] Signaled posted event run-loop source

app.exec() finished, back to main()

[qt.eventdispatcher] Returned from main with exit code  0