X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/521daf6f0ac4fa6a2fbfb5d523c0c743342dca2b..dcd4a73df94b0e9083f72d79f81083961bd15746:/src/pulsecore/sioman.c

diff --git a/src/pulsecore/sioman.c b/src/pulsecore/sioman.c
index 4d5d5562..24c046cf 100644
--- a/src/pulsecore/sioman.c
+++ b/src/pulsecore/sioman.c
@@ -1,11 +1,11 @@
-/* $Id$ */
-
 /***
   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 of the License,
+  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
@@ -23,21 +23,17 @@
 #include <config.h>
 #endif
 
-#include <assert.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/atomic.h>
 
 #include "sioman.h"
 
-static int stdio_inuse = 0;
+static pa_atomic_t stdio_inuse = PA_ATOMIC_INIT(0);
 
 int pa_stdio_acquire(void) {
-    if (stdio_inuse)
-        return -1;
-
-    stdio_inuse = 1;
-    return 0;
+    return pa_atomic_cmpxchg(&stdio_inuse, 0, 1) ? 0 : -1;
 }
 
 void pa_stdio_release(void) {
-    assert(stdio_inuse);
-    stdio_inuse = 0;
+    pa_assert_se(pa_atomic_cmpxchg(&stdio_inuse, 1, 0));
 }