code.delx.au - pulseaudio/blob - src/pulsecore/refcnt.h

   1 #ifndef foopulserefcnthfoo
   2 #define foopulserefcnthfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2006 Lennart Poettering
  10
  11   PulseAudio is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU Lesser General Public License as
  13   published by the Free Software Foundation; either version 2 of the
  14   License, or (at your option) any later version.
  15
  16   PulseAudio is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public
  22   License along with PulseAudio; if not, write to the Free Software
  23   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  24   USA.
  25 ***/
  26
  27 #include <pulsecore/atomic.h>
  28
  29 #define PA_REFCNT_DECLARE \
  30   pa_atomic_int_t _ref
  31
  32 #define PA_REFCNT_INIT(p) \
  33   pa_atomic_store(&p->_ref, 1)
  34
  35 #define PA_REFCNT_INC(p) \
  36   pa_atomic_inc(&p->_ref)
  37
  38 #define PA_REFCNT_DEC(p) \
  39   (pa_atomic_dec(&p->_ref)-1)
  40
  41 #define PA_REFCNT_VALUE(p) \
  42   pa_atomic_load(&p->_ref)
  43
  44 #endif