1 /* timespec -- System time interface
3 Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2010 Free Software
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.
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, see <http://www.gnu.org/licenses/>. */
19 #if ! defined TIMESPEC_H
24 /* Return negative, zero, positive if A < B, A == B, A > B, respectively.
25 Assume the nanosecond components are in range, or close to it. */
27 timespec_cmp (struct timespec a, struct timespec b)
29 return (a.tv_sec < b.tv_sec ? -1
30 : a.tv_sec > b.tv_sec ? 1
31 : a.tv_nsec < b.tv_nsec ? -1
32 : a.tv_nsec > b.tv_nsec ? 1
36 void gettime (struct timespec *);
37 int settime (struct timespec const *);