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sdl_lockaudio(3) [redhat man page]

SDL_LockAudio(3)						 SDL API Reference						  SDL_LockAudio(3)

NAME
SDL_LockAudio- Lock out the callback function SYNOPSIS
#include "SDL.h" void SDL_LockAudio(void) DESCRIPTION
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. SEE ALSO
SDL_OpenAudio SDL
Tue 11 Sep 2001, 22:58 SDL_LockAudio(3)

Check Out this Related Man Page

SDL_SetTimer(3) 						 SDL API Reference						   SDL_SetTimer(3)

NAME
SDL_SetTimer - Set a callback to run after the specified number of milliseconds has elapsed. SYNOPSIS
#include "SDL.h" int SDL_SetTimer(Uint32 interval, SDL_TimerCallback callback); CALLBACK
/* Function prototype for the timer callback function */ typedef Uint32 (*SDL_TimerCallback)(Uint32 interval); DESCRIPTION
Set a callback to run after the specified number of milliseconds has elapsed. The callback function is passed the current timer interval and returns the next timer interval. If the returned value is the same as the one passed in, the periodic alarm continues, otherwise a new alarm is scheduled. To cancel a currently running timer, call SDL_SetTimer(0, NULL); The timer callback function may run in a different thread than your main constant, and so shouldn't call any functions from within itself. The maximum resolution of this timer is 10 ms, which means that if you request a 16 ms timer, your callback will run approximately 20 ms later on an unloaded system. If you wanted to set a flag signaling a frame update at 30 frames per second (every 33 ms), you might set a timer for 30 ms (see example below). If you use this function, you need to pass SDL_INIT_TIMER to SDL_Init(). Note: This function is kept for compatibility but has been superseded by the new timer functions SDL_AddTimer and SDL_RemoveTimer which support multiple timers. EXAMPLES
SDL_SetTimer((33/10)*10, my_callback); SEE ALSO
SDL_AddTimer SDL
Tue 11 Sep 2001, 23:01 SDL_SetTimer(3)
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