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| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-14 23:02:35 +0200 |
|---|---|---|
| committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-14 23:02:35 +0200 |
| commit | f05021f3f49a45b36411ec9de3cd7522dc9f9110 (patch) | |
| tree | 119abab826cc68205bdab65ed1593db25d24f27b /libavutil/thread.h | |
| parent | b66a94ab539cbebf8dc6ca53d81dfa47d6dd59ac (diff) | |
| parent | c53e796f8b69799b7ad6d28fbab981d37edf1bc9 (diff) | |
| download | ffmpeg-f05021f3f49a45b36411ec9de3cd7522dc9f9110.tar.gz | |
Merge commit 'c53e796f8b69799b7ad6d28fbab981d37edf1bc9'
* commit 'c53e796f8b69799b7ad6d28fbab981d37edf1bc9':
thread: Provide no-op variants for pthread_once
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
Diffstat (limited to 'libavutil/thread.h')
| -rw-r--r-- | libavutil/thread.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavutil/thread.h b/libavutil/thread.h index 297b5b9a52..3d1573775c 100644 --- a/libavutil/thread.h +++ b/libavutil/thread.h @@ -43,6 +43,11 @@ #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 USE_ATOMICS 1 @@ -54,6 +59,18 @@ #define ff_mutex_unlock(mutex) (0) #define ff_mutex_destroy(mutex) (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 */ |