X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/9948cb09a3e1b976ad1705df06ef24216a61bf85..5205e6a85ac8699c464e2d676c4d8b1c2b7989e5:/src/pulsecore/refcnt.h

diff --git a/src/pulsecore/refcnt.h b/src/pulsecore/refcnt.h
index fade9aa4..782436b5 100644
--- a/src/pulsecore/refcnt.h
+++ b/src/pulsecore/refcnt.h
@@ -1,41 +1,81 @@
-#ifndef foopulserefcntfoo
-#define foopulserefcntfoo
-
-/* $Id$ */
+#ifndef foopulserefcnthfoo
+#define foopulserefcnthfoo
 
 /***
   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
+  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.
 ***/
 
-#include <atomic_ops.h>
+#include <pulsecore/atomic.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/log.h>
+
+/* #define DEBUG_REF */
+
+#define PA_REFCNT_DECLARE \
+    pa_atomic_t _ref
+
+#define PA_REFCNT_VALUE(p) \
+    pa_atomic_load(&(p)->_ref)
 
-#define PA_REFCNT_DECLARE volatile AO_t _ref
+#define PA_REFCNT_INIT_ZERO(p) \
+    pa_atomic_store(&(p)->_ref, 0)
+
+#ifndef DEBUG_REF
 
 #define PA_REFCNT_INIT(p) \
-  AO_store_release_write(&(p)->_ref,  1)
+    pa_atomic_store(&(p)->_ref, 1)
 
 #define PA_REFCNT_INC(p) \
-  AO_fetch_and_add1_release_write(&(p)->_ref)
+    pa_atomic_inc(&(p)->_ref)
 
 #define PA_REFCNT_DEC(p) \
-  (AO_fetch_and_sub1_release_write(&(p)->_ref)-1)
+    (pa_atomic_dec(&(p)->_ref)-1)
 
-#define PA_REFCNT_VALUE(p) \
-  AO_load_acquire_read(&(p)->_ref)
+#else
+
+/* If you need to debug ref counting problems define DEBUG_REF and
+ * set $PULSE_LOG_BACKTRACE=5 or suchlike in the shell when running
+ * PA */
+
+#define PA_REFCNT_INIT(p)                       \
+    do {                                        \
+        pa_atomic_store(&(p)->_ref, 1);         \
+        pa_log("REF: Init %p", p);              \
+    } while (FALSE)
+
+#define PA_REFCNT_INC(p)                        \
+    do {                                        \
+        pa_atomic_inc(&(p)->_ref);              \
+        pa_log("REF: Inc %p", p);               \
+    } while (FALSE)                             \
+
+#define PA_REFCNT_DEC(p)                        \
+    ({                                          \
+        int _j = (pa_atomic_dec(&(p)->_ref)-1); \
+        if (_j <= 0)                            \
+            pa_log("REF: Done %p", p);          \
+        else                                    \
+            pa_log("REF: Dec %p", p);           \
+        _j;                                     \
+     })
+
+#endif
 
 #endif