SDL_CleanupPropertyCallback3type
A callback used to free resources when a property is deleted.
Usage
#include "SDL3/SDL.h"
typedef void (SDLCALL *SDL_CleanupPropertyCallback)(void *userdata, void *value);
Header file
Defined in SDL3/SDL_properties.h
Overview
This should release any resources associated with value that are no longer needed.
This callback is set per-property. Different properties in the same group can have different cleanup callbacks.
This callback will be called _during_
SDL_SetPointerPropertyWithCleanup
if the function fails for any reason.
Function parameters
userdata
|
an app-defined pointer passed to the callback. |
|---|---|
value
|
the pointer assigned to the property to clean up. |
Thread safety
This callback may fire without any locks held; if this is a concern, the app should provide its own locking.