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Fixed bug 2764 - Timer is not rescheduled with the returned interval
afwlehmann Sorry for re-opening, but it turns out that the current interval is indeed not updated. I've just checked the source code of the 2.0.3 release again: 163 if (current->canceled) { 164 interval = 0; 165 } else { 166 interval = current->callback(current->interval, current->param); 167 } 168 169 if (interval > 0) { 170 /* Reschedule this timer */ 171 current->interval = interval; // <-- this line is missing 172 current->scheduled = tick + interval; 173 SDL_AddTimerInternal(data, current); 174 } else { According to the documentation: "The callback function is passed the current timer interval and the user supplied parameter from the SDL_AddTimer() call and returns the next timer interval. If the returned value from the callback is 0, the timer is canceled." If I understand the text correctly, then the current interval should in fact be updated according to the returned value. Otherwise there would be a discrepancy between the next time for which the timer is actually re-scheduled and the value that's passed to the callback once the timer fires again. This could be fixed by adding line #171.
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@ -168,6 +168,7 @@ SDL_TimerThread(void *_data)
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if (interval > 0) {
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/* Reschedule this timer */
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current->interval = interval;
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current->scheduled = tick + interval;
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SDL_AddTimerInternal(data, current);
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} else {
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