Subversion Repositories filter_foundry

/*

        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;

}