Assertion failed: cannot call main when async dependencies remain! (listen on __ATMAIN__)

[wolfviking0]

Hi,

I have sometime this error when I start my 3D Engine.

Inside my JS settings I use this Module['noInitialRun'] = true; for choose when I want start the Engine. 

I call Module['callMain'](Module['arguments']); for launch.

May be I don't use rightly the function. Any suggestion about this error ?

Tony

[Alon Zakai]

You should only call main() when things are ready to execute, and some things are asynchronous (like file preloading, or the .mem init file loading), so this can be confusing. It is therefore best to let emscripten call main for you, instead of doing it yourself. If you want to do it yourself, the best way is to replace your main() with a function that notifies you it is ok to call main(), and then you can call your real main some time after that (but not before).

- Alon

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[Giovanni Parra]

How can I know if it is ok to call main?
Is there something my JS code can listen to that will notify me that I can call main?
Or should I just call main repeatedly until it works?

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[Alon Zakai]

Yes, you can listen on onRuntimeInitialized for example, see

https://kripken.github.io/emscripten-site/docs/getting_started/FAQ.html#how-can-i-tell-when-the-page-is-fully-loaded-and-it-is-safe-to-call-compiled-functions

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