int SDL_SetTimer(Uint32 ms, SDL_TimerCallback callback)
{
int retval;
#ifdef DEBUG_TIMERS
printf("SDL_SetTimer(%d)\n", ms);
#endif
retval = 0;
if ( SDL_timer_running ) { /* Stop any currently running timer */
SDL_timer_running = 0;
if ( SDL_timer_threaded ) {
SDL_mutexP(SDL_timer_mutex);
SDL_RemoveAllTimers(SDL_timers);
SDL_timers = NULL;
SDL_mutexV(SDL_timer_mutex);
} else {
SDL_SYS_StopTimer();
}
}
if ( ms ) {
if ( SDL_timer_threaded ) {
retval = (SDL_AddTimer(ms, callback_wrapper,
(void *)callback) != NULL);
} else {
SDL_timer_running = 1;
SDL_alarm_interval = ms;
SDL_alarm_callback = callback;
retval = SDL_SYS_StartTimer();
}
}
return retval;
}
int
SDL_SetTimer(Uint32 ms, SDL_TimerCallback callback)
{
int retval;
#ifdef DEBUG_TIMERS
printf("SDL_SetTimer(%d)\n", ms);
#endif
retval = 0;
if (SDL_timer_threaded) {
SDL_mutexP(SDL_timer_mutex);
}
if (SDL_timer_running) { /* Stop any currently running timer */
if (SDL_timer_threaded) {
while (SDL_timers) {
SDL_TimerID freeme = SDL_timers;
SDL_timers = SDL_timers->next;
SDL_free(freeme);
}
SDL_timer_running = 0;
list_changed = SDL_TRUE;
} else {
SDL_SYS_StopTimer();
SDL_timer_running = 0;
}
}
if (ms) {
if (SDL_timer_threaded) {
if (SDL_AddTimerInternal
(ms, callback_wrapper, (void *) callback) == NULL) {
retval = -1;
}
} else {
SDL_timer_running = 1;
SDL_alarm_interval = ms;
SDL_alarm_callback = callback;
retval = SDL_SYS_StartTimer();
}
}
if (SDL_timer_threaded) {
SDL_mutexV(SDL_timer_mutex);
}
return retval;
}
