Manpages - SDL_LockAudio.3

SDL_LockAudio - Lock out the callback function

#include “SDL.h”

void SDL_LockAudio*(*void)

The lock manipulated by these functions protects the callback function. During a LockAudio period, you can be guaranteed that the callback function is not running. Do not call these from the callback function or you will cause deadlock.

SDL_OpenAudio