mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-06 13:29:56 -05:00
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/***
|
|
This file is part of PulseAudio.
|
|
|
|
Copyright 2004-2006 Lennart Poettering
|
|
|
|
PulseAudio 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.
|
|
|
|
PulseAudio 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
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with PulseAudio; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
USA.
|
|
***/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <pulsecore/macro.h>
|
|
#include <pulsecore/atomic.h>
|
|
|
|
#include "sioman.h"
|
|
|
|
static pa_atomic_t stdio_inuse = PA_ATOMIC_INIT(0);
|
|
|
|
int pa_stdio_acquire(void) {
|
|
return pa_atomic_cmpxchg(&stdio_inuse, 0, 1) ? 0 : -1;
|
|
}
|
|
|
|
void pa_stdio_release(void) {
|
|
pa_assert_se(pa_atomic_cmpxchg(&stdio_inuse, 1, 0));
|
|
}
|