thttpdサーバが時間変更後にCPU占有率が高すぎるという問題

void
tmr_run( struct timeval* nowP )
    {
    int h;
    Timer* t;
    Timer* next;

    for ( h = 0; h < HASH_SIZE; ++h )
	for ( t = timers[h]; t != (Timer*) 0; t = next )
	    {
	    next = t->next;
	    /* Since the lists are sorted, as soon as we find a timer
	    ** that isn't ready yet, we can go on to the next list.
	    */
	    if ( t->time.tv_sec > nowP->tv_sec ||
		 ( t->time.tv_sec == nowP->tv_sec &&
		   t->time.tv_usec > nowP->tv_usec ) )
		break;
	    (t->timer_proc)( t->client_data, nowP );
	    if ( t->periodic )
		{
		/* Reschedule. */
		t->time.tv_sec += t->msecs / 1000L;
		t->time.tv_usec += ( t->msecs % 1000L ) * 1000L;
		if ( t->time.tv_usec >= 1000000L )
		    {
		    t->time.tv_sec += t->time.tv_usec / 1000000L;
		    t->time.tv_usec %= 1000000L;
		    }
//        
		if (t->time.tv_sec + 10*60 < nowP->tv_sec)
			t->time.tv_sec = nowP->tv_sec;
//        
		l_resort( t );
		}
	    else
		tmr_cancel( t );
	    }
    }