nuclear@12: /*
nuclear@12: eqemu - electronic queue system emulator
nuclear@12: Copyright (C) 2014  John Tsiombikas <nuclear@member.fsf.org>,
nuclear@12:                     Eleni-Maria Stea <eleni@mutantstargoat.com>
nuclear@12: 
nuclear@12: This program is free software: you can redistribute it and/or modify
nuclear@12: it under the terms of the GNU General Public License as published by
nuclear@12: the Free Software Foundation, either version 3 of the License, or
nuclear@12: (at your option) any later version.
nuclear@12: 
nuclear@12: This program is distributed in the hope that it will be useful,
nuclear@12: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@12: GNU General Public License for more details.
nuclear@12: 
nuclear@12: You should have received a copy of the GNU General Public License
nuclear@12: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@12: */
nuclear@2: #include <unistd.h>
nuclear@2: #include <sys/time.h>
nuclear@2: 
nuclear@2: unsigned long get_msec()
nuclear@2: {
nuclear@2: 	static struct timeval tv0;
nuclear@2: 	struct timeval tv;
nuclear@2: 
nuclear@2: 	gettimeofday(&tv, 0);
nuclear@2: 	if(tv0.tv_sec == 0 && tv0.tv_usec == 0) {
nuclear@2: 		tv0 = tv;
nuclear@2: 		return 0;
nuclear@2: 	}
nuclear@2: 	return (tv.tv_sec - tv0.tv_sec) * 1000 + (tv.tv_usec - tv0.tv_usec) / 1000;
nuclear@2: }
nuclear@7: 
nuclear@7: void wait_for(unsigned long msec)
nuclear@7: {
nuclear@7: 	usleep(msec * 1000);
nuclear@7: }