mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.9 KiB
70 lines
1.9 KiB
/* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
// This header should only be used to simplify code where |
|
// threading is optional, not as a generic threading abstraction. |
|
|
|
#ifndef AVUTIL_THREAD_H |
|
#define AVUTIL_THREAD_H |
|
|
|
#include "config.h" |
|
|
|
#if HAVE_PTHREADS || HAVE_W32THREADS |
|
|
|
#if HAVE_PTHREADS |
|
#include <pthread.h> |
|
#else |
|
#include "compat/w32pthreads.h" |
|
#endif |
|
|
|
#define AVMutex pthread_mutex_t |
|
|
|
#define ff_mutex_init pthread_mutex_init |
|
#define ff_mutex_lock pthread_mutex_lock |
|
#define ff_mutex_unlock pthread_mutex_unlock |
|
#define ff_mutex_destroy pthread_mutex_destroy |
|
|
|
#define AVOnce pthread_once_t |
|
#define AV_ONCE_INIT PTHREAD_ONCE_INIT |
|
|
|
#define ff_thread_once(control, routine) pthread_once(control, routine) |
|
|
|
#else |
|
|
|
#define AVMutex char |
|
|
|
static inline int ff_mutex_init(AVMutex *mutex, const void *attr){ return 0; } |
|
static inline int ff_mutex_lock(AVMutex *mutex){ return 0; } |
|
static inline int ff_mutex_unlock(AVMutex *mutex){ return 0; } |
|
static inline int ff_mutex_destroy(AVMutex *mutex){ return 0; } |
|
|
|
#define AVOnce char |
|
#define AV_ONCE_INIT 0 |
|
|
|
static inline int ff_thread_once(char *control, void (*routine)(void)) |
|
{ |
|
if (!*control) { |
|
routine(); |
|
*control = 1; |
|
} |
|
return 0; |
|
} |
|
|
|
#endif |
|
|
|
#endif /* AVUTIL_THREAD_H */
|
|
|