From 2dd5bc6a074165ddfbd57c4bd52c2d2dac8f47a1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:03:18 +0200 Subject: Adding upstream version 14.2. Signed-off-by: Daniel Baumann --- src/pulsecore/sioman.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/pulsecore/sioman.c (limited to 'src/pulsecore/sioman.c') diff --git a/src/pulsecore/sioman.c b/src/pulsecore/sioman.c new file mode 100644 index 0000000..315f10a --- /dev/null +++ b/src/pulsecore/sioman.c @@ -0,0 +1,37 @@ +/*** + 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, see . +***/ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#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)); +} -- cgit v1.2.3