3 * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
5 * This library is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as
7 * published by the Free Software Foundation; either version 2.1 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 void snd_atomic_read_wait(snd_atomic_read_t *t)
28 volatile const snd_atomic_write_t *w = t->write;
29 unsigned int loops = 0;
31 while (w->begin != w->end) {
32 if (loops < MAX_SPIN_COUNT) {
39 ts.tv_nsec = SPIN_SLEEP_DURATION;