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r& r& r& r' r� o s r� c @ s e Zd ZdZdS )� _RunningLoopr� N)r- rI rJ �loop_pidr& r& r& r' r� � s r� c C s t � } | du r td��| S )zrReturn the running event loop. Raise a RuntimeError if there is none.
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Nzno running event loop)r r� �r$ r& r& r' r � s r c C s* t j\} }| dur|t�� kr| S dS dS )z�Return the running event loop or None.
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_running_loopr� �os�getpid)� running_loop�pidr& r& r' r � s
�r c C s | t �� ft_dS )z�Set the running event loop.
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c C sT t � td u rddlm} | � aW d � d S W d � d S 1 s#w Y d S )Nr ��DefaultEventLoopPolicy)�_lock�_event_loop_policy� r� r� r& r& r' �_init_event_loop_policy� s �"�r c C s t du rt� t S )z"Get the current event loop policy.N)r� r r& r& r& r' r � s r c C s | du s t | t�s J �| adS )zZSet the current event loop policy.
If policy is None, the default policy is restored.N)rX r r� )�policyr& r& r' r � s r c C s t � S )aG Return an asyncio event loop.
When called from a coroutine or a callback (e.g. scheduled with call_soon
or similar API), this function will always return the running event loop.
If there is no running event loop set, the function will return
the result of `get_event_loop_policy().get_event_loop()` call.
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stacklevel� current_loopr& r& r' �_get_event_loop� s
r c C s t � �| � dS )zCEquivalent to calling get_event_loop_policy().set_event_loop(loop).N)r r r� r& r& r' r s r c C �
t � �� S )z?Equivalent to calling get_event_loop_policy().new_event_loop().)r r
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c C r )zBEquivalent to calling get_event_loop_policy().get_child_watcher().)r r r& r& r& r' r r r c C s t � �| �S )zMEquivalent to calling
get_event_loop_policy().set_child_watcher(watcher).)r r )r� r& r& r' r s r )r r
r r r )r ).rK �__all__r r� r� r� r r� r� r r r r r r r� r� �Lockr� r� r� r� r r r
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