4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
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 2 of the License, or
9 * (at your option) any later version.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
35 // set last update to now
37 // subtract milliseconds from current difference
38 void subtract(int64_t value);
40 // get difference between now and last update in milliseconds
41 // must be positive or error results
42 int64_t get_difference(struct timeval *result); // also stores in timeval
43 int64_t get_difference();
45 // get difference in arbitrary units between now and last update
46 int64_t get_scaled_difference(long denominator);
47 static int delay(long milliseconds);
50 struct timeval current_time;
51 struct timeval new_time;