2de24587a8
Fix a data race for test main_proc_exit_wait.c from #1963. And fix atomic_wait logic that was wrong before: - a thread 1 started executing wasm instruction wasm_atomic_wait but hasn't reached waiting on condition variable - a main thread calls proc_exit and notifies all the threads that reached waiting on condition variable Which leads to thread 1 hang on waiting on condition variable after that Now it's atomically checked whether proc_exit was already called.
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