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/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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 || HAVE_OS2THREADS
#define USE_ATOMICS 0
#if HAVE_PTHREADS
#include <pthread.h>
#elif HAVE_OS2THREADS
#include "compat/os2threads.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
#else
#define USE_ATOMICS 1
#define AVMutex char
#define ff_mutex_init(mutex, attr) (0)
#define ff_mutex_lock(mutex) (0)
#define ff_mutex_unlock(mutex) (0)
#define ff_mutex_destroy(mutex) (0)
#endif
#endif /* AVUTIL_THREAD_H */
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