}
tw->timer_interval = timer_interval_in_seconds;
tw->ticks_per_second = 1.0 / timer_interval_in_seconds;
- tw->first_expires_tick = ~0ULL;
vec_validate (tw->expired_timer_handles, 0);
_vec_len (tw->expired_timer_handles) = 0;
u32 slow_wheel_index __attribute__ ((unused));
u32 glacier_wheel_index __attribute__ ((unused));
- /* Shouldn't happen */
+ /* Called too soon to process new timer expirations? */
if (PREDICT_FALSE (now < tw->next_run_time))
return callback_vector_arg;
/* Remember when we ran, compute next runtime */
tw->next_run_time = (now + tw->timer_interval);
+ /* First call, or time jumped backwards? */
+ if (PREDICT_FALSE
+ ((tw->last_run_time == 0.0) || (now <= tw->last_run_time)))
+ {
+ tw->last_run_time = now;
+ return callback_vector_arg;
+ }
+
if (callback_vector_arg == 0)
{
_vec_len (tw->expired_timer_handles) = 0;