DRAFT |
SDL_SetAssertionHandler
Use this function to set an application-defined assertion handler.
Contents
Syntax
void SDL_SetAssertionHandler(SDL_AssertionHandler handler,
void* userdata)
Function Parameters
handler |
the callback function called when an assertion fails; see Remarks for details |
userdata |
a pointer passed to the callback as-is |
Return Value
Returns an SDL_assert_state value of how to handle the assertion failure.
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Code Examples
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Remarks
This function allows an app to show its own assertion UI and/or force the response to an assertion failure. If the app doesn't provide this, SDL will try to do the right thing, popping up a system-specific GUI dialog, and probably minimizing any fullscreen windows.
handler calls the following callback function:
SDL_assert_state (SDLCALL *SDL_AssertionHandler)( const SDL_assert_data*, void* userdata)
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This callback may fire from any thread, but it runs wrapped in a mutex, so it will only fire from one thread at a time.
Setting the callback to NULL restores SDL's original internal handler.
This callback is NOT reset to SDL's internal handler upon SDL_Quit()!
