2 * Copyright (C) 2004,2014 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <sys/select.h>
22 /* select() sleeps _at most_ a given time.
23 * (compared to usleep() or nanosleep() which sleep at least a given time)
25 static void select_sleep (uint64_t usec) {
26 if (usec <= 10) return;
30 tv.tv_sec = usec / 1000000;
31 tv.tv_usec = usec % 1000000;
33 select (max_fd, &fd, NULL, NULL, &tv);
34 // on Linux, tv reflects the actual time slept.