/*
This file is part of a common library
Copyright (C) 1990-2009 Toby Thain, toby@telegraphics.com.au
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <timer.h>
// Macintosh microsecond timer functions
enum{ETERNITY = -2147483648}; // maximum interval (about 35 min.)
void start_timer(TMTask *t){
t->qLink = 0;
t->tmAddr = 0;
t->qType = t->tmCount = t->tmWakeUp = t->tmReserved = 0;
InsTime((QElemPtr)t);
PrimeTime((QElemPtr)t,ETERNITY);
}
long stop_timer(TMTask *t){ // returns microseconds since start_timer
RmvTime((QElemPtr)t);
return t->tmCount - ETERNITY;
}