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WorkerThreadPool: Fix end-of-yield logic potentially leading to deadlocks

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(cherry picked from commit 5dade0e08b)
This commit is contained in:
Pedro J. Estébanez 2024-08-28 15:26:08 +02:00 committed by Rémi Verschelde
parent f273c7c773
commit 2c612abdd1
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1 changed files with 4 additions and 1 deletions
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core/object/worker_thread_pool.cpp
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@ -468,7 +468,10 @@ void WorkerThreadPool::_wait_collaboratively(ThreadData *p_caller_pool_thread, T
p_caller_pool_thread->signaled = false;
if (IS_WAIT_OVER) {
p_caller_pool_thread->yield_is_over = false;
if (unlikely(p_task == ThreadData::YIELDING)) {
p_caller_pool_thread->yield_is_over = false;
}
if (!exit_threads && was_signaled) {
// This thread was awaken for some additional reason, but it's about to exit.
// Let's find out what may be pending and forward the requests.