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#ifndef foopulseflisthfoo
#define foopulseflisthfoo
/* $Id$ */
/***
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.
***/
#include <pulse/def.h>
#include <pulsecore/once.h>
#include <pulsecore/gccmacro.h>
/* A multiple-reader multipler-write lock-free free list implementation */
typedef struct pa_flist pa_flist;
/* Size is required to be a power of two, or 0 for the default size */
pa_flist * pa_flist_new(unsigned size);
void pa_flist_free(pa_flist *l, pa_free_cb_t free_cb);
/* Please note that this routine might fail! */
int pa_flist_push(pa_flist*l, void *p);
void* pa_flist_pop(pa_flist*l);
/* Please not that the destructor stuff is not really necesary, we do
* this just to make valgrind output more useful. */
#define PA_STATIC_FLIST_DECLARE(name, size, destroy_cb) \
static struct { \
pa_flist *flist; \
pa_once_t once; \
} name##_static_flist = { NULL, PA_ONCE_INIT }; \
static void name##_init(void) { \
name##_static_flist.flist = pa_flist_new(size); \
} \
static inline pa_flist* name##_get(void) { \
pa_once(&name##_static_flist.once, name##_init); \
return name##_static_flist.flist; \
} \
static void name##_destructor(void) PA_GCC_DESTRUCTOR; \
static void name##_destructor(void) { \
if (name##_static_flist.flist) \
pa_flist_free(name##_static_flist.flist, destroy_cb); \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_STATIC_FLIST_GET(name) (name##_get())
#endif
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