| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * FFmpeg is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | // This header should only be used to simplify code where |
| 20 | // threading is optional, not as a generic threading abstraction. |
| 21 | |
| 22 | #ifndef AVUTIL_THREAD_H |
| 23 | #define AVUTIL_THREAD_H |
| 24 | |
| 25 | #include "config.h" |
| 26 | |
| 27 | #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS |
| 28 | |
| 29 | #define USE_ATOMICS 0 |
| 30 | |
| 31 | #if HAVE_PTHREADS |
| 32 | #include <pthread.h> |
| 33 | #elif HAVE_OS2THREADS |
| 34 | #include "compat/os2threads.h" |
| 35 | #else |
| 36 | #include "compat/w32pthreads.h" |
| 37 | #endif |
| 38 | |
| 39 | #define AVMutex pthread_mutex_t |
| 40 | |
| 41 | #define ff_mutex_init pthread_mutex_init |
| 42 | #define ff_mutex_lock pthread_mutex_lock |
| 43 | #define ff_mutex_unlock pthread_mutex_unlock |
| 44 | #define ff_mutex_destroy pthread_mutex_destroy |
| 45 | |
| 46 | #else |
| 47 | |
| 48 | #define USE_ATOMICS 1 |
| 49 | |
| 50 | #define AVMutex char |
| 51 | |
| 52 | #define ff_mutex_init(mutex, attr) (0) |
| 53 | #define ff_mutex_lock(mutex) (0) |
| 54 | #define ff_mutex_unlock(mutex) (0) |
| 55 | #define ff_mutex_destroy(mutex) (0) |
| 56 | |
| 57 | #endif |
| 58 | |
| 59 | #endif /* AVUTIL_THREAD_H */ |