NPPPD_TIMER_TICK_IVAL
tv.tv_sec = NPPPD_TIMER_TICK_IVAL;
_this->secs += NPPPD_TIMER_TICK_IVAL;
_this->reloading_count -= NPPPD_TIMER_TICK_IVAL;
#ifndef NPPPD_TIMER_TICK_IVAL
((((interval) % NPPPD_TIMER_TICK_IVAL) == 0) \
: (interval) + NPPPD_TIMER_TICK_IVAL \
- ((interval) % NPPPD_TIMER_TICK_IVAL))