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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
#ifndef foopulsethreadhfoo
#define foopulsethreadhfoo
/***
This file is part of PulseAudio.
Copyright 2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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, 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/core-util.h>
#ifndef PACKAGE
#error "Please include config.h before including this file!"
#endif
typedef struct pa_thread pa_thread;
typedef void (*pa_thread_func_t) (void *userdata);
pa_thread* pa_thread_new(pa_thread_func_t thread_func, void *userdata);
void pa_thread_free(pa_thread *t);
int pa_thread_join(pa_thread *t);
int pa_thread_is_running(pa_thread *t);
pa_thread *pa_thread_self(void);
void pa_thread_yield(void);
void* pa_thread_get_data(pa_thread *t);
void pa_thread_set_data(pa_thread *t, void *userdata);
typedef struct pa_tls pa_tls;
pa_tls* pa_tls_new(pa_free_cb_t free_cb);
void pa_tls_free(pa_tls *t);
void * pa_tls_get(pa_tls *t);
void *pa_tls_set(pa_tls *t, void *userdata);
#define PA_STATIC_TLS_DECLARE(name, free_cb) \
static struct { \
pa_once once; \
pa_tls *volatile tls; \
} name##_tls = { \
.once = PA_ONCE_INIT, \
.tls = NULL \
}; \
static void name##_tls_init(void) { \
name##_tls.tls = pa_tls_new(free_cb); \
} \
static inline pa_tls* name##_tls_obj(void) { \
pa_run_once(&name##_tls.once, name##_tls_init); \
return name##_tls.tls; \
} \
static void name##_tls_destructor(void) PA_GCC_DESTRUCTOR; \
static void name##_tls_destructor(void) { \
static void (*_free_cb)(void*) = free_cb; \
if (!pa_in_valgrind()) \
return; \
if (!name##_tls.tls) \
return; \
if (_free_cb) { \
void *p; \
if ((p = pa_tls_get(name##_tls.tls))) \
_free_cb(p); \
} \
pa_tls_free(name##_tls.tls); \
} \
static inline void* name##_tls_get(void) { \
return pa_tls_get(name##_tls_obj()); \
} \
static inline void* name##_tls_set(void *p) { \
return pa_tls_set(name##_tls_obj(), p); \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#ifdef SUPPORT_TLS___THREAD
/* An optimized version of the above that requires no dynamic
* allocation if the compiler supports __thread */
#define PA_STATIC_TLS_DECLARE_NO_FREE(name) \
static __thread void *name##_tls = NULL; \
static inline void* name##_tls_get(void) { \
return name##_tls; \
} \
static inline void* name##_tls_set(void *p) { \
void *r = name##_tls; \
name##_tls = p; \
return r; \
} \
struct __stupid_useless_struct_to_allow_trailing_semicolon
#else
#define PA_STATIC_TLS_DECLARE_NO_FREE(name) PA_STATIC_TLS_DECLARE(name, NULL)
#endif
#define PA_STATIC_TLS_GET(name) (name##_tls_get())
#define PA_STATIC_TLS_SET(name, p) (name##_tls_set(p))
#endif
|
