1 /*****************************************************************************
2  * win32thread.h: windows threading
3  *****************************************************************************
4  * Copyright (C) 2010-2014 x264 project
5  *
6  * Authors: Steven Walters <kemuri9@gmail.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
21  *
22  * This program is also available under a commercial proprietary license.
23  * For more information, contact us at licensing@x264.com.
24  *****************************************************************************/
25 
26 #ifndef X264_WIN32THREAD_H
27 #define X264_WIN32THREAD_H
28 
29 #include <windows.h>
30 /* the following macro is used within x264 */
31 #undef ERROR
32 
33 typedef struct
34 {
35     void *handle;
36     void *(*func)( void* arg );
37     void *arg;
38     void **p_ret;
39     void *ret;
40 } x264_pthread_t;
41 #define x264_pthread_attr_t int
42 
43 /* the conditional variable api for windows 6.0+ uses critical sections and not mutexes */
44 typedef CRITICAL_SECTION x264_pthread_mutex_t;
45 #define X264_PTHREAD_MUTEX_INITIALIZER {0}
46 #define x264_pthread_mutexattr_t int
47 
48 /* This is the CONDITIONAL_VARIABLE typedef for using Window's native conditional variables on kernels 6.0+.
49  * MinGW does not currently have this typedef. */
50 typedef struct
51 {
52     void *ptr;
53 } x264_pthread_cond_t;
54 #define x264_pthread_condattr_t int
55 
56 int x264_pthread_create( x264_pthread_t *thread, const x264_pthread_attr_t *attr,
57                          void *(*start_routine)( void* ), void *arg );
58 int x264_pthread_join( x264_pthread_t thread, void **value_ptr );
59 
60 int x264_pthread_mutex_init( x264_pthread_mutex_t *mutex, const x264_pthread_mutexattr_t *attr );
61 int x264_pthread_mutex_destroy( x264_pthread_mutex_t *mutex );
62 int x264_pthread_mutex_lock( x264_pthread_mutex_t *mutex );
63 int x264_pthread_mutex_unlock( x264_pthread_mutex_t *mutex );
64 
65 int x264_pthread_cond_init( x264_pthread_cond_t *cond, const x264_pthread_condattr_t *attr );
66 int x264_pthread_cond_destroy( x264_pthread_cond_t *cond );
67 int x264_pthread_cond_broadcast( x264_pthread_cond_t *cond );
68 int x264_pthread_cond_wait( x264_pthread_cond_t *cond, x264_pthread_mutex_t *mutex );
69 int x264_pthread_cond_signal( x264_pthread_cond_t *cond );
70 
71 #define x264_pthread_attr_init(a) 0
72 #define x264_pthread_attr_destroy(a) 0
73 
74 int  x264_win32_threading_init( void );
75 void x264_win32_threading_destroy( void );
76 
77 int x264_pthread_num_processors_np( void );
78 
79 #endif
80