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#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 2.1 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 <http://www.gnu.org/licenses/>.
***/
#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_INIT_ZERO(p) \
pa_atomic_store(&(p)->_ref, 0)
#ifndef DEBUG_REF
#define PA_REFCNT_INIT(p) \
pa_atomic_store(&(p)->_ref, 1)
#define PA_REFCNT_INC(p) \
pa_atomic_inc(&(p)->_ref)
#define PA_REFCNT_DEC(p) \
(pa_atomic_dec(&(p)->_ref)-1)
#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
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