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Edit File: windows_events.cpython-310.pyc
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This is much like a bound, listening socket. c C s, || _ t�� | _d | _d | _| �d�| _d S �NT)�_address�weakref�WeakSet�_free_instances�_pipe�_accept_pipe_future�_server_pipe_handle)r r) r! r! r" r � s zPipeServer.__init__c C s | j | �d�}| _ |S )NF)r{ r} )r �tmpr! r! r" �_get_unconnected_pipe s z PipeServer._get_unconnected_pipec C sr | � � rd S tjtjB }|r|tjO }t�| j|tjtjB tj B tj t j t j tj tj�}t �|�}| j�|� |S r> )�closedrP �PIPE_ACCESS_DUPLEX�FILE_FLAG_OVERLAPPED� FILE_FLAG_FIRST_PIPE_INSTANCE�CreateNamedPiperw �PIPE_TYPE_MESSAGE�PIPE_READMODE_MESSAGE� PIPE_WAIT�PIPE_UNLIMITED_INSTANCESr �BUFSIZE�NMPWAIT_WAIT_FOREVER�NULL� PipeHandlerz �add)r �first�flags�h�piper! r! r" r} s" �� z PipeServer._server_pipe_handlec C s | j d u S r> )rw rS r! r! r" r� � zPipeServer.closedc C sV | j d ur | j �� d | _ | jd ur)| jD ]}|�� qd | _d | _| j�� d S d S r> )r| r2 rw rz �closer{ �clear)r r� r! r! r" r� " s �zPipeServer.closeN) rD rE rF rG r r r} r� r� �__del__r! r! r! r" ru � s ru c @ s e Zd ZdZdS )�_WindowsSelectorEventLoopz'Windows version of selector event loop.N)rD rE rF rG r! r! r! r" r� 1 � r� c sJ e Zd ZdZd � fdd� Z� fdd�Zdd� Zd d � Z d d d �Z� Z S )r z2Windows version of proactor event loop using IOCP.Nc s |d u rt � }t� �|� d S r> )r r r )r rp r r! r" r 8 s zProactorEventLoop.__init__c s� z2| j d u sJ �| �| j� t� �� W | j d ur1| j j}| j �� |d ur,| j�|� d | _ d S d S | j d urN| j j}| j �� |d urK| j�|� d | _ w r> ) �_self_reading_future� call_soon�_loop_self_readingr � run_foreverr r2 rk rr �r r r r! r" r� = s � z ProactorEventLoop.run_foreverc � s: �| j �|�}|I d H }|� }| j||d|id�}||fS )N�addr��extra)rk � connect_pipe�_make_duplex_pipe_transport)r �protocol_factoryr) �fr� �protocol�transr! r! r" �create_pipe_connectionP s � �z(ProactorEventLoop.create_pipe_connectionc � s0 �t � ��d� ����fdd� ����� �gS )Nc sT d }z7| r'| � � }�j�|� ��� r|�� W d S �� }�j||d� id� ��� }|d u r2W d S �j�|�} W nf t yT |rL|� � dkrL|�� �� �� Y d S t y� } z-|rq|� � dkrq�� d||d�� |�� n �jr|tjd|dd� �� �� W Y d }~d S d }~w tjy� |r�|�� Y d S Y d S w | �_| ��� d S ) Nr� r� r zPipe accept failed)r. r/ r� z Accept pipe failed on pipe %rT)�exc_info)rC rz �discardr� r� r� r rk � accept_pipe�BrokenPipeError�filenor� r3 r5 �_debugr �warningr �CancelledErrorr| �add_done_callback)r� r� r� r6 �r) �loop_accept_piper� r �serverr! r" r� [ sR � � ����z>ProactorEventLoop.start_serving_pipe.<locals>.loop_accept_piper> )ru r� )r r� r) r! r� r" �start_serving_pipeX s � -z$ProactorEventLoop.start_serving_pipec � sx �| � � } t| |||||||f| |d�| ��} z| I d H W | S ttfy) � ty; | �� | �� I d H � w )N)�waiterr� )� create_future�_WindowsSubprocessTransport� SystemExit�KeyboardInterrupt� BaseExceptionr� �_wait) r r� �args�shell�stdin�stdout�stderr�bufsizer� �kwargsr� �transpr! r! r" �_make_subprocess_transport� s& � ��� � �z,ProactorEventLoop._make_subprocess_transportr> ) rD rE rF rG r r� r� r� r� rH r! r! r r" r 5 s 5�r c @ s� e Zd ZdZd;dd�Zdd� Zdd� Zd d � Zd<d d �Zdd� Z d=dd�Z d=dd�Z d=dd�Z d>dd�Z d=dd�Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd<d%d&�Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd<d3d4�Zd5d6� Z d7d8� Z d9d:� Z d S )?r z#Proactor implementation using IOCP.r c C sD d | _ g | _t�tjtd|�| _i | _t� � | _ g | _ t� � | _ d S rO ) r4 �_resultsr\ �CreateIoCompletionPort�INVALID_HANDLE_VALUEr� �_iocp�_cacherx ry rL � _unregistered�_stopped_serving)r � concurrencyr! 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r" � finish_accept8 s � z*IocpProactor.accept.<locals>.finish_acceptc � s. �z| I d H W d S t jy |�� � w r> )r r� r� )r0 r� r! r! r" � accept_coroA s ��z(IocpProactor.accept.<locals>.accept_coror ) r� �_get_accept_socket�familyr\ r� r� �AcceptExr� r� r � ensure_futurer4 )r r r r r r0 �coror! r r" �accept2 s zIocpProactor.acceptc s� � j tjkrt�� �� |� | j�� }|�d � |S | � � � z t� � �� � j � W n" t yL } z|j tjkr9� � �� d dkrB� W Y d }~nd }~ww t�t�}|�� �� |� � fdd�}| �|� |�S )Nr r c s |� � � �tjtjd� � S rO )r� r� r� r� r\ �SO_UPDATE_CONNECT_CONTEXT�r� r� r �r� r! r" �finish_connectd s �z,IocpProactor.connect.<locals>.finish_connect)�typer� � SOCK_DGRAMr\ � WSAConnectr� r4 r� rA r� � BindLocalr r3 r^ �errno� WSAEINVAL� getsocknamer� r� � ConnectExr� )r r� r) rY �er r r! r r" �connectN s( ��� zIocpProactor.connectc C sb | � |� t�t�}|d@ }|d? d@ }|�|�� t�|�� �|||dd� dd� }| �|||�S )Nr � r c S r� r> r� r� r! r! r" �finish_sendfilew r� z.IocpProactor.sendfile.<locals>.finish_sendfile) r� r\ r� r� � TransmitFiler� �msvcrt� get_osfhandler� ) r �sock�file�offset�countr � offset_low� offset_highr r! 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