49d439a3bc
Use the shared memory's shared_mem_lock to lock the whole atomic.wait and atomic.notify processes, and use it for os_cond_reltimedwait and os_cond_notify, so as to make the whole processes actual atomic operations: the original implementation accesses the wait address with shared_mem_lock and uses wait_node->wait_lock for os_cond_reltimedwait, which is not an atomic operation. And remove the unnecessary wait_map_lock and wait_lock, since the whole processes are already locked by shared_mem_lock.
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