SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Set the current thread's value associated with a thread local storage ID.


int SDL_SetTLS(SDL_TLSID id, const void *value, void (SDLCALL *destructor)(void*));

Function Parameters

id the thread local storage ID
value the value to associate with the ID for the current thread
destructor a function called when the thread exits, to free the value

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.


The function prototype for destructor is:

void destructor(void *value)

where its parameter value is what was passed as value to SDL_SetTLS().


This function is available since SDL 3.0.0.


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