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Merge pull request #19480 from vrabaud:3.4

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This commit is contained in:
Alexander Alekhin 2021-02-09 22:48:59 +00:00
commit 7079e7ea5e
1 changed files with 10 additions and 0 deletions
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10
modules/core/src/parallel_impl.cpp
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@ -382,6 +382,16 @@ public:
};
// Disable thread sanitization check when CV_USE_GLOBAL_WORKERS_COND_VAR is not
// set because it triggers as the main thread reads isActive while the children
// thread writes it (but it all works out because a mutex is locked in the main
// thread and isActive re-checked).
// This is to solve issue #19463.
#if !defined(CV_USE_GLOBAL_WORKERS_COND_VAR) && defined(__clang__) && defined(__has_feature)
#if __has_feature(thread_sanitizer)
__attribute__((no_sanitize("thread")))
#endif
#endif
void WorkerThread::thread_body()
{
(void)cv::utils::getThreadID(); // notify OpenCV about new thread