[FFmpeg-devel] [PATCH] threadprogress: reorder instructions to silence tsan warning.

[FFmpeg-devel] [PATCH] threadprogress: reorder instructions to silence tsan warning.

[Ronald S. Bultje]

Fixes #11456.
---
 libavcodec/threadprogress.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/threadprogress.c b/libavcodec/threadprogress.c
index 62c4fd898b..aa72ff80e7 100644
--- a/libavcodec/threadprogress.c
+++ b/libavcodec/threadprogress.c
@@ -55,9 +55,8 @@ void ff_thread_progress_report(ThreadProgress *pro, int n)
     if (atomic_load_explicit(&pro->progress, memory_order_relaxed) >= n)
         return;
 
-    atomic_store_explicit(&pro->progress, n, memory_order_release);
-
     ff_mutex_lock(&pro->progress_mutex);
+    atomic_store_explicit(&pro->progress, n, memory_order_release);
     ff_cond_broadcast(&pro->progress_cond);
     ff_mutex_unlock(&pro->progress_mutex);
 }
-- 
2.48.0

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".