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-rw-r--r--src/pulsecore/once-posix.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/src/pulsecore/once-posix.c b/src/pulsecore/once-posix.c
deleted file mode 100644
index 4af7b36e..00000000
--- a/src/pulsecore/once-posix.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of PulseAudio.
-
- Copyright 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,
- 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 <pthread.h>
-#include <assert.h>
-
-#include <pulsecore/mutex.h>
-
-#include "once.h"
-
-#define ASSERT_SUCCESS(x) do { \
- int _r = (x); \
- assert(_r == 0); \
-} while(0)
-
-static pa_mutex *global_mutex;
-static pthread_once_t global_mutex_once = PTHREAD_ONCE_INIT;
-
-static void global_mutex_once_func(void) {
- global_mutex = pa_mutex_new(0);
-}
-
-void pa_once(pa_once_t *control, pa_once_func_t func) {
- assert(control);
- assert(func);
-
- /* Create the global mutex */
- ASSERT_SUCCESS(pthread_once(&global_mutex_once, global_mutex_once_func));
-
- /* Create the local mutex */
- pa_mutex_lock(global_mutex);
- if (!control->mutex)
- control->mutex = pa_mutex_new(1);
- pa_mutex_unlock(global_mutex);
-
- /* Execute function */
- pa_mutex_lock(control->mutex);
- if (!control->once_value) {
- control->once_value = 1;
- func();
- }
- pa_mutex_unlock(control->mutex);
-
- /* Caveat: We have to make sure that the once func has completed
- * before returning, even if the once func is not actually
- * executed by us. Hence the awkward locking. */
-}