1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#ifndef foopulseflisthfoo
#define foopulseflisthfoo
/***
This file is part of PulseAudio.
Copyright 2006-2008 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 <pulse/def.h>
#include <pulse/gccmacro.h>
#include <pulsecore/once.h>
#include <pulsecore/core-util.h>
/* A multiple-reader multipler-write lock-free free list implementation */
typedef struct pa_flist pa_flist;
pa_flist * pa_flist_new(unsigned size);
/* Name string is copied and added to flist structure. The original is
* responsibility of the caller. The name is only used for debug printing. */
pa_flist * pa_flist_new_with_name(unsigned size, const char *name);
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 note that the destructor stuff is not really necessary, we do
* this just to make valgrind output more useful. */
#define PA_STATIC_FLIST_DECLARE(name, size, free_cb) \
static struct { \
pa_flist *volatile flist; \
pa_once once; \
} name##_flist = { NULL, PA_ONCE_INIT }; \
static void name##_flist_init(void) { \
name##_flist.flist = \
pa_flist_new_with_name(size, __FILE__ ": " #name); \
} \
static inline pa_flist* name##_flist_get(void) { \
pa_run_once(&name##_flist.once, name##_flist_init); \
return name##_flist.flist; \
} \
static void name##_flist_destructor(void) PA_GCC_DESTRUCTOR; \
static void name##_flist_destructor(void) { \
if (!pa_in_valgrind()) \
return; \
if (name##_flist.flist) \
pa_flist_free(name##_flist.flist, (free_cb)); \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#define PA_STATIC_FLIST_GET(name) (name##_flist_get())
#endif
|
