60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| // This header should only be used to simplify code where
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| // threading is optional, not as a generic threading abstraction.
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| 
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| #ifndef AVUTIL_THREAD_H
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| #define AVUTIL_THREAD_H
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| 
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| #include "config.h"
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| 
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| #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
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| 
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| #define USE_ATOMICS 0
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| 
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| #if HAVE_PTHREADS
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| #include <pthread.h>
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| #elif HAVE_OS2THREADS
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| #include "compat/os2threads.h"
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| #else
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| #include "compat/w32pthreads.h"
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| #endif
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| 
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| #define AVMutex pthread_mutex_t
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| 
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| #define ff_mutex_init    pthread_mutex_init
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| #define ff_mutex_lock    pthread_mutex_lock
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| #define ff_mutex_unlock  pthread_mutex_unlock
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| #define ff_mutex_destroy pthread_mutex_destroy
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| 
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| #else
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| 
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| #define USE_ATOMICS 1
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| 
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| #define AVMutex char
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| 
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| #define ff_mutex_init(mutex, attr) (0)
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| #define ff_mutex_lock(mutex) (0)
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| #define ff_mutex_unlock(mutex) (0)
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| #define ff_mutex_destroy(mutex) (0)
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| 
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| #endif
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| 
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| #endif /* AVUTIL_THREAD_H */
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