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Code Issues Releases Activity

threadprogress: reorder instructions to fix race.

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Fixes #11456.
This commit is contained in:
Ronald S. Bultje
2025-02-06 16:41:59 -05:00
parent 7ee4936e0a
commit 586de322ab
1 changed files with 1 additions and 2 deletions
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3
libavcodec/threadprogress.c
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@ -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);
}