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windows_events.cpython-37.opt-2.pyc
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)r r r r@ � s z%_WaitHandleFuture._unregister_wait_cbc C s� | j s d S d| _ | j}d | _yt�|| j� W nZ tk r� } z<|jtjkrxd|| d�}| jrh| j|d< | j � |� d S W d d }~X Y nX | j � | j| j �| _d S )NFz$Failed to unregister the wait handle)r$ r% r& r' )r9 r8 rA ZUnregisterWaitExrK r) rB rC r r* r+ rJ � _wait_cancelr@ rL )r r; r, r- r r r rD � s$ z"_WaitHandleFuture._unregister_wait)r2 r3 r4 r r@ rD r5 r r )r r rI � s rI c @ s8 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � ZeZd S ) � PipeServerc 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)rV rX )r �tmpr r r �_get_unconnected_pipe� s z PipeServer._get_unconnected_pipec C sr | � � r d S tjtjB }|r&|tjO }t�| j|tjtjB tj B tj t j t j tj tj�}t �|�}| j�|� |S )N)�closedr< ZPIPE_ACCESS_DUPLEXZFILE_FLAG_OVERLAPPEDZ FILE_FLAG_FIRST_PIPE_INSTANCEZCreateNamedPiperR ZPIPE_TYPE_MESSAGEZPIPE_READMODE_MESSAGEZ PIPE_WAITZPIPE_UNLIMITED_INSTANCESr ZBUFSIZEZNMPWAIT_WAIT_FOREVER�NULL� PipeHandlerU �add)r �first�flags�h�piper r r rX s z PipeServer._server_pipe_handlec C s | j d kS )N)rR )r r r r r[ s zPipeServer.closedc C sV | j d k r| j �� d | _ | jd k rRx| jD ] }|�� q,W d | _d | _| j�� d S )N)rW r( rR rU �closerV �clear)r rb r r r rc s zPipeServer.closeN) r2 r3 r4 r rZ rX r[ rc �__del__r r r r rQ � s rQ c @ s e Zd ZdS )�_WindowsSelectorEventLoopN)r2 r3 r4 r r r r rf + s rf c s8 e Zd Zd � fdd� Zdd� Zdd� Zd dd �Z� ZS ) r Nc s |d krt � }t� �|� d S )N)r r r )r rM )r r r r 2 s zProactorEventLoop.__init__c � s8 | j �|�}|I d H }|� }| j||d|id�}||fS )N�addr)�extra)rJ � connect_pipe�_make_duplex_pipe_transport)r �protocol_factoryr! �frb �protocol�transr r r �create_pipe_connection7 s z(ProactorEventLoop.create_pipe_connectionc � s. t � ��d� ����fdd� ����� �gS )Nc s d }yj| rL| � � }�j�|� ��� r2|�� d S �� }�j||d� id� ��� }|d kr`d S �j�|�} W n� t k r� } zF|r�|� � dkr��� d||d�� |�� n�j r�t jd|dd� W d d }~X Y n2 tjk r� |r�|�� Y nX | �_| ��� d S ) Nrg )rh r zPipe accept failed)r$ r% rb z Accept pipe failed on pipe %rT)�exc_info)r1 rU �discardr[ rc rj rZ rJ � accept_piper) �filenor+ Z_debugr Zwarningr �CancelledErrorrW �add_done_callback)rl rb rm r, )r! �loop_accept_piperk r �serverr r rv B s< z>ProactorEventLoop.start_serving_pipe.<locals>.loop_accept_pipe)N)rQ Z call_soon)r rk r! r )r! rv rk r rw r �start_serving_pipe? s ( z$ProactorEventLoop.start_serving_pipec � sl | � � } t| |||||||f| |d�| ��} y| I d H W n, tk rf | �� | �� I d H � Y nX | S )N)�waiterrh )� create_future�_WindowsSubprocessTransport� Exceptionrc Z_wait) r rm �args�shell�stdin�stdout�stderr�bufsizerh �kwargsry Ztranspr r r �_make_subprocess_transportm s z,ProactorEventLoop._make_subprocess_transport)N)N)r2 r3 r4 r ro rx r� r5 r r )r r r / s 0r c @ s� e Zd Zd6dd�Zdd� Zdd� Zdd � Zd7d d �Zd d� Zd8dd�Z d9dd�Z d:dd�Z dd� Z dd� Z dd� Zd d � Zd d � Zd;d d!�Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd<d.d/�Zd0d1� Zd2d3� Zd4d5� Zd S )=r � �� c C sD d | _ g | _t�tjtd|�| _i | _t� � | _ g | _ t� � | _ d S )Nr ) r* �_resultsrA �CreateIoCompletionPort�INVALID_HANDLE_VALUEr\ �_iocp�_cacherS rT r9 � _unregistered�_stopped_serving)r Z concurrencyr r r r � s zIocpProactor.__init__c C s | j d krtd��d S )NzIocpProactor is closed)r� rH )r r r r � _check_closed� s zIocpProactor._check_closedc C sF dt | j� dt | j� g}| jd kr0|�d� d| jjd�|�f S )Nzoverlapped#=%sz result#=%sr[ z<%s %s>� )�lenr� r� r� r> r r2 �join)r r" r r r �__repr__� s zIocpProactor.__repr__c C s || _ d S )N)r* )r r r r r �set_loop� s zIocpProactor.set_loopNc C s | j s| �|� | j }g | _ |S )N)r� r= )r �timeoutrY r r r �select� s zIocpProactor.selectc C s | j �� }|�|� |S )N)r* rz r0 )r �valuer? r r r �_result� s zIocpProactor._resultr c C sz | � |� t�t�}y4t|tj�r6|�|�� ||� n|�|�� |� W n t k rb | � d�S X dd� }| � |||�S )N� c S sP y|� � S tk rJ } z$|jtjtjfkr8t|j� �n� W d d }~X Y nX d S )N)� getresultr) rB rA �ERROR_NETNAME_DELETED�ERROR_OPERATION_ABORTED�ConnectionResetErrorr} )rn �keyr r, r r r � finish_recv� s z&IocpProactor.recv.<locals>.finish_recv) �_register_with_iocprA � Overlappedr\ � isinstance�socketZWSARecvrs ZReadFile�BrokenPipeErrorr� � _register)r �conn�nbytesr` r r� r r r �recv� s zIocpProactor.recvc C sz | � |� t�t�}y4t|tj�r6|�|�� ||� n|�|�� |� W n t k rb | � d�S X dd� }| � |||�S )Nr� c S sP y|� � S tk rJ } z$|jtjtjfkr8t|j� �n� W d d }~X Y nX d S )N)r� r) rB rA r� r� r� r} )rn r� r r, r r r r� � s z+IocpProactor.recv_into.<locals>.finish_recv) r� rA r� r\ r� r� Z WSARecvIntors Z ReadFileIntor� r� r� )r r� �bufr` r r� r r r � recv_into� s zIocpProactor.recv_intoc C sZ | � |� t�t�}t|tj�r4|�|�� ||� n|�|�� |� dd� }| � |||�S )Nc S sP y|� � S tk rJ } z$|jtjtjfkr8t|j� �n� W d d }~X Y nX d S )N)r� r) rB rA r� r� r� r} )rn r� r r, r r r � finish_send� s z&IocpProactor.send.<locals>.finish_send) r� rA r� r\ r� r� ZWSASendrs Z WriteFiler� )r r� r� r` r r� r r r �send� s zIocpProactor.sendc sv | � �� | ��j�� t�t�}|���� � �� � � �fdd�}dd� }| �|�|�}||� �}t j || j d� |S )Nc sD |� � t�d��� �}� �tjtj|� � � �� � � � � � � fS )Nz@P) r� �struct�packrs � setsockoptr� � SOL_SOCKETrA ZSO_UPDATE_ACCEPT_CONTEXT� settimeoutZ gettimeoutZ getpeername)rn r� r r� )r� �listenerr r � finish_accept� s z*IocpProactor.accept.<locals>.finish_acceptc � s4 y| I d H W n t jk r. |�� � Y nX d S )N)r rt rc )r& r� r r r � accept_coro� s z(IocpProactor.accept.<locals>.accept_coro)r ) r� �_get_accept_socket�familyrA r� r\ ZAcceptExrs r� r Z ensure_futurer* )r r� r r� r� r& �coror )r� r� r �accept� s zIocpProactor.acceptc s� | � � � yt�� �� � j� W nB tk rb } z$|jtjkr@� � � � d dkrR� W d d }~X Y nX t� t �}|� � �� |� � fdd�}| � |� |�S )Nr r c s |� � � �tjtjd� � S )Nr )r� r� r� r� rA ZSO_UPDATE_CONNECT_CONTEXT)rn r� r )r� r r �finish_connect s z,IocpProactor.connect.<locals>.finish_connect)r� rA Z BindLocalrs r� r) rB �errnoZ WSAEINVALZ getsocknamer� r\ Z ConnectExr� )r r� r! �er r� r )r� r �connect s zIocpProactor.connectc C sb | � |� t�t�}|d@ }|d? d@ }|�|�� t�|�� �|||dd� dd� }| �|||�S )Nl �� � r c S sP y|� � S tk rJ } z$|jtjtjfkr8t|j� �n� W d d }~X Y nX d S )N)r� r) rB rA r� r� r� r} )rn r� r r, r r r �finish_sendfile% s z.IocpProactor.sendfile.<locals>.finish_sendfile) r� rA r� r\ Z TransmitFilers �msvcrtZ get_osfhandler� ) r Zsock�file�offset�countr Z offset_lowZ offset_highr� r r r �sendfile s zIocpProactor.sendfilec sJ | � � � t�t�}|�� �� �}|r0| �� �S � fdd�}| �|� |�S )Nc s |� � � S )N)r� )rn r� r )rb r r �finish_accept_pipe; s z4IocpProactor.accept_pipe.<locals>.finish_accept_pipe)r� rA r� r\ ZConnectNamedPipers r� r� )r rb r Z connectedr� r )rb r rr 0 s zIocpProactor.accept_pipec � sz t }xjyt�|�}P W n0 tk rF } z|jtjkr6� W d d }~X Y nX t|d t�}tj || j d�I d H qW t � |�S )N� )r ) �CONNECT_PIPE_INIT_DELAYrA Z ConnectPiper) rB ZERROR_PIPE_BUSY�min�CONNECT_PIPE_MAX_DELAYr Zsleepr* r r] )r r! Zdelayr: r, r r r ri A s zIocpProactor.connect_pipec C s | � ||d�S )NF)�_wait_for_handle)r r: r� r r r �wait_for_handleT s z IocpProactor.wait_for_handlec C s | � |d d�}||_|S )NT)r� rF )r rG Z done_callbackr? r r r rP \ s zIocpProactor._wait_cancelc s� | � � |d krtj}nt�|d �}t�t�}t�|| j |j |�}|r\t |||| j d�� nt |||| | j d�� � jr~� jd= � fdd�}� |d|f| j|j < � S )Ng @�@)r r c s � � � S )N)r= )rn r� r )rl r r �finish_wait_for_handley s z=IocpProactor._wait_for_handle.<locals>.finish_wait_for_handler )r� r< �INFINITE�math�ceilrA r� r\ ZRegisterWaitWithQueuer� r! rE r* rI r r� )r r: r� Z _is_cancel�msr r; r� r )rl r r� c s z IocpProactor._wait_for_handlec C s0 || j kr,| j �|� t�|�� | jdd� d S )Nr )r9 r^ rA r� rs r� )r �objr r r r� � s z IocpProactor._register_with_iocpc C s� | � � t|| jd�}|jr$|jd= |jsry|d d |�}W n, tk rf } z|�|� W d d }~X Y n X |�|� ||||f| j|j < |S )N)r r ) r� r r* r r r) r/ r0 r� r! )r r r� �callbackrl r� r� r r r r� � s zIocpProactor._registerc C s | � � | j�|� d S )N)r� r� r> )r r r r r rO � s zIocpProactor._unregisterc C s t � |�}|�d� |S )Nr )r� r� )r r� �sr r r r� � s z IocpProactor._get_accept_socketc C s� |d krt }n0|dk r td��n t�|d �}|t kr>td���xt�| j|�}|d krZP d}|\}}}}y| j�|�\}} } } W nV t k r� | j � � r�| j � dd||||f d�� |dtj fkr�t�|� wBY nX | | jkr�|�� qB|�� sBy| ||| �} W n: tk �r@ } z|�| � | j�|� W d d } ~ X Y qBX |�| � | j�|� qBW x | jD ]} | j�| jd � �qdW | j�� d S )Nr znegative timeoutg @�@ztimeout too bigz8GetQueuedCompletionStatus() returned an unexpected eventz)err=%s transferred=%s key=%#x address=%#x)r$ �status)r� � ValueErrorr� r� rA ZGetQueuedCompletionStatusr� r� �pop�KeyErrorr* Z get_debugr+ r� r< rN r� r( Zdoner) r/ r� r> r0 r� r! rd )r r� r� r� �errZ transferredr� r! rl r r� r� r� r� r r r r= � sJ zIocpProactor._pollc C s | j �|� d S )N)r� r^ )r r� r r r � _stop_serving� s zIocpProactor._stop_servingc C s | j d krd S x�t| j�� �D ]�\}\}}}}|�� r8q t|t�rDq y |�� W q tk r� } z6| j d k r�d||d�}|j r�|j |d< | j � |� W d d }~X Y q X q W d}t � � } | | } xD| j�r| t � � kr�t�d| t � � | � t � � | } | �|� q�W g | _t�| j � d | _ d S )NzCancelling a future failed)r$ r% r& r' g �?z,%r is running after closing for %.1f seconds)r� �listr� �itemsZ cancelledr� rE r( r) r* r r+ �timeZ monotonicr �debugr= r� r< rN ) r r! r? r r� r� r, r- Z msg_updateZ start_timeZnext_msgr r r rc � s: " zIocpProactor.closec C s | � � d S )N)rc )r r r r re * s zIocpProactor.__del__)r� )N)r )r )r )N)N) r2 r3 r4 r r� r� r� r� r� r� r� r� r� r� r� rr ri r� rP r� r� r� rO r� r= r� rc re r r r r r s2 " 7/r c @ s e Zd Zdd� ZdS )r{ c sP t j|f|||||d�|��� _� fdd�}� jj�t� jj��} | �|� d S )N)r~ r r� r� r� c s � j �� }� �|� d S )N)�_procZpollZ_process_exited)rl � returncode)r r r r� 5 s z4_WindowsSubprocessTransport._start.<locals>.callback) r �Popenr� r* rJ r� �intr7 ru ) r r} r~ r r� r� r� r� r� rl r )r r �_start0 s z"_WindowsSubprocessTransport._startN)r2 r3 r4 r� r r r r r{ . s r{ c @ s e Zd ZeZdS )r N)r2 r3 r4 r � _loop_factoryr r r r r @ s r c @ s e Zd ZeZdS )r N)r2 r3 r4 r r� r r r r r D s r )-rA r< r� r� r� r� r� r� rS � r r r r r r r �logr �__all__r\ r� ZERROR_CONNECTION_REFUSEDZERROR_CONNECTION_ABORTEDr� r� ZFuturer r6 rE rI �objectrQ ZBaseSelectorEventLooprf ZBaseProactorEventLoopr r ZBaseSubprocessTransportr{ r ZBaseDefaultEventLoopPolicyr r r r r r r �<module> sN 0J4;P 2
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