diff options
Diffstat (limited to 'alsa-lib/src/pcm/atomic.c')
| -rw-r--r-- | alsa-lib/src/pcm/atomic.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/alsa-lib/src/pcm/atomic.c b/alsa-lib/src/pcm/atomic.c deleted file mode 100644 index 7565945..0000000 --- a/alsa-lib/src/pcm/atomic.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Atomic read/write - * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org> - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <stdlib.h> -#include <time.h> -#include <sched.h> -#include "iatomic.h" - -void snd_atomic_read_wait(snd_atomic_read_t *t) -{ - volatile const snd_atomic_write_t *w = t->write; - unsigned int loops = 0; - struct timespec ts; - while (w->begin != w->end) { - if (loops < MAX_SPIN_COUNT) { - sched_yield(); - loops++; - continue; - } - loops = 0; - ts.tv_sec = 0; - ts.tv_nsec = SPIN_SLEEP_DURATION; - nanosleep(&ts, NULL); - } -} - |