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70 lines
1.8 KiB
70 lines
1.8 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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// 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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#ifndef AVUTIL_THREAD_H |
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#define AVUTIL_THREAD_H |
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#include "config.h" |
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#if HAVE_PTHREADS || HAVE_W32THREADS |
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#if HAVE_PTHREADS |
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#include <pthread.h> |
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#else |
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#include "compat/w32pthreads.h" |
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#endif |
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#define AVMutex pthread_mutex_t |
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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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#define AVOnce pthread_once_t |
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#define AV_ONCE_INIT PTHREAD_ONCE_INIT |
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#define ff_thread_once(control, routine) pthread_once(control, routine) |
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#else |
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#define AVMutex char |
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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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#define AVOnce char |
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#define AV_ONCE_INIT 0 |
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static inline int ff_thread_once(char *control, void (*routine)(void)) |
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{ |
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if (!*control) { |
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routine(); |
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*control = 1; |
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} |
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return 0; |
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} |
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#endif |
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#endif /* AVUTIL_THREAD_H */
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