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
|
#ifndef foopulsemutexhfoo
#define foopulsemutexhfoo
/***
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <pulsecore/macro.h>
#include <pulsecore/atomic.h>
typedef struct pa_mutex pa_mutex;
/* Please think twice before enabling priority inheritance. This is no
* magic wand! Use it only when the potentially priorized threads are
* good candidates for it. Don't use this blindly! Also, note that
* only very few operating systems actually implement this, hence this
* is merely a hint. */
pa_mutex* pa_mutex_new(pa_bool_t recursive, pa_bool_t inherit_priority);
void pa_mutex_free(pa_mutex *m);
void pa_mutex_lock(pa_mutex *m);
pa_bool_t pa_mutex_try_lock(pa_mutex *m);
void pa_mutex_unlock(pa_mutex *m);
typedef struct pa_cond pa_cond;
pa_cond *pa_cond_new(void);
void pa_cond_free(pa_cond *c);
void pa_cond_signal(pa_cond *c, int broadcast);
int pa_cond_wait(pa_cond *c, pa_mutex *m);
typedef struct pa_static_mutex {
pa_atomic_ptr_t ptr;
} pa_static_mutex;
pa_mutex* pa_static_mutex_get(pa_static_mutex *m, pa_bool_t recursive, pa_bool_t inherit_priority);
#endif
|
