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
|
/*
* This file is part of libplacebo.
*
* libplacebo 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.
*
* libplacebo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with libplacebo. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "os.h"
enum pl_mutex_type {
PL_MUTEX_NORMAL = 0,
PL_MUTEX_RECURSIVE,
};
#define pl_mutex_init(mutex) \
pl_mutex_init_type(mutex, PL_MUTEX_NORMAL)
// Note: This is never compiled, and only documents the API. The actual
// implementations of these prototypes may be macros.
#ifdef PL_API_REFERENCE
typedef void pl_mutex;
void pl_mutex_init_type(pl_mutex *mutex, enum pl_mutex_type mtype);
int pl_mutex_destroy(pl_mutex *mutex);
int pl_mutex_lock(pl_mutex *mutex);
int pl_mutex_unlock(pl_mutex *mutex);
typedef void pl_cond;
int pl_cond_init(pl_cond *cond);
int pl_cond_destroy(pl_cond *cond);
int pl_cond_broadcast(pl_cond *cond);
int pl_cond_signal(pl_cond *cond);
// `timeout` is in nanoseconds, or UINT64_MAX to block forever
int pl_cond_timedwait(pl_cond *cond, pl_mutex *mutex, uint64_t timeout);
int pl_cond_wait(pl_cond *cond, pl_mutex *mutex);
typedef void pl_static_mutex;
#define PL_STATIC_MUTEX_INITIALIZER
int pl_static_mutex_lock(pl_static_mutex *mutex);
int pl_static_mutex_unlock(pl_static_mutex *mutex);
typedef void pl_thread;
#define PL_THREAD_VOID void
#define PL_THREAD_RETURN() return
int pl_thread_create(pl_thread *thread, PL_THREAD_VOID (*fun)(void *), void *arg);
int pl_thread_join(pl_thread thread);
// Returns true if slept the full time, false otherwise
bool pl_thread_sleep(double t);
#endif
// Actual platform-specific implementation
#ifdef PL_HAVE_WIN32
#include "pl_thread_win32.h"
#elif defined(PL_HAVE_PTHREAD)
#include "pl_thread_pthread.h"
#else
#error No threading implementation available!
#endif
|
