1 /*

2 eqemu - electronic queue system emulator

3 Copyright (C) 2014 John Tsiombikas <nuclear@member.fsf.org>,

4 Eleni-Maria Stea <eleni@mutantstargoat.com>

5

6 This program is free software: you can redistribute it and/or modify

7 it under the terms of the GNU General Public License as published by

8 the Free Software Foundation, either version 3 of the License, or

9 (at your option) any later version.

10

11 This program is distributed in the hope that it will be useful,

12 but WITHOUT ANY WARRANTY; without even the implied warranty of

13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

14 GNU General Public License for more details.

15

16 You should have received a copy of the GNU General Public License

17 along with this program. If not, see <http://www.gnu.org/licenses/>.

18 */

19 #include <unistd.h>

20 #include <sys/time.h>

21

22 unsigned long get_msec()

23 {

24 static struct timeval tv0;

25 struct timeval tv;

26

27 gettimeofday(&tv, 0);

28 if(tv0.tv_sec == 0 && tv0.tv_usec == 0) {

29 tv0 = tv;

30 return 0;

31 }

32 return (tv.tv_sec - tv0.tv_sec) * 1000 + (tv.tv_usec - tv0.tv_usec) / 1000;

33 }

34

35 void wait_for(unsigned long msec)

36 {

37 usleep(msec * 1000);

38 }