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N s z _OverlappedFuture.set_exceptionc s t � j | � d | _ d S)N)r � set_resultr )r �result)r r r r/ R s z _OverlappedFuture.set_result) �__name__� __module__� __qualname__r r r- r' r. r/ r r )r r r ' s r c s� e Z d Z d d � f d d � Z d d � Z � f d d � Z d d � Z d d � Z � f d d � Z � f d d � Z � f d d � Z � S)�_BaseWaitHandleFuturer Nc sN t � j d | � | j r& | j d =| | _ | | _ | | _ d | _ d S)Nr r Tr )r r r r �_handle� _wait_handle� _registered)r r �handle� wait_handler )r r r r Z s z _BaseWaitHandleFuture.__init__c C s t j | j d � t j k S)Nr )�_winapiZWaitForSingleObjectr5 Z WAIT_OBJECT_0)r r r r �_pollh s z_BaseWaitHandleFuture._pollc s~ t � j � } | j d | j � | j d k rW | j � rD d n d } | j | � | j d k rz | j d | j � | S)Nz handle=%#x�signaledZwaitingzwait_handle=%#x)r r �appendr5 r; r6 )r r! r" )r r r r m s z _BaseWaitHandleFuture._repr_infoc C s d | _ d S)N)r )r �futr r r �_unregister_wait_cbw s z)_BaseWaitHandleFuture._unregister_wait_cbc C s� | j s d Sd | _ | j } d | _ y t j | � Wny t k r� } zY | j t j k r� d d d | d | i } | j r� | j | d <| j j | � d SWYd d } ~ Xn X| j d � d S)NFr# z$Failed to unregister the wait handler$ r% r& ) r7 r6 r ZUnregisterWaitr( �winerror�ERROR_IO_PENDINGr r) r* r? )r r9 r+ r, r r r �_unregister_wait| s" z&_BaseWaitHandleFuture._unregister_waitc s | j � t � j � S)N)rB r r' )r )r r r r' � s z _BaseWaitHandleFuture.cancelc s | j � t � j | � d S)N)rB r r. )r r$ )r r r r. � s z#_BaseWaitHandleFuture.set_exceptionc s | j � t � j | � d S)N)rB r r/ )r r0 )r r r r/ � s z _BaseWaitHandleFuture.set_result) r1 r2 r3 r r; r r? rB r' r. r/ r r )r r r4 W s r4 c sF e Z d Z d d � f d d � Z d d � Z � f d d � Z � S) �_WaitCancelFuturer Nc s) t � j | | | d | �d | _ d S)Nr )r r �_done_callback)r r �eventr9 r )r r r r � s z_WaitCancelFuture.__init__c C s t d � � d S)Nz'_WaitCancelFuture must not be cancelled)� RuntimeError)r r r r r' � s z_WaitCancelFuture.cancelc s3 t t | � j � | j d k r/ | j | � d S)N)r rC �_schedule_callbacksrD )r )r r r rG � s z%_WaitCancelFuture._schedule_callbacks)r1 r2 r3 r r' rG r r )r r rC � s rC c sF e Z d Z d d � f d d � Z � f d d � Z d d � Z � S) �_WaitHandleFuturer Nc sV t � j | | | d | �| | _ d | _ t j d d d d � | _ d | _ d S)Nr TF)r r � _proactorZ_unregister_proactorr Z CreateEvent�_event� _event_fut)r r r8 r9 �proactorr )r r r r � s z_WaitHandleFuture.__init__c sa | j d k r1 t j | j � d | _ d | _ | j j | j � d | _ t � j | � d S)N) rJ r: � CloseHandlerK rI � _unregisterr r r? )r r> )r r r r? � s z%_WaitHandleFuture._unregister_wait_cbc C s� | j s d Sd | _ | j } d | _ y t j | | j � Wny t k r� } zY | j t j k r� d d d | d | i } | j r� | j | d <| j j | � d SWYd d } ~ Xn X| j j | j | j � | _ d S)NFr# z$Failed to unregister the wait handler$ r% r& )r7 r6 r ZUnregisterWaitExrJ r( r@ rA r r) r* rI � _wait_cancelr? rK )r r9 r+ r, r r r rB � s$ z"_WaitHandleFuture._unregister_wait)r1 r2 r3 r r? rB r r )r r rH � s rH c @ sR e Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z e Z d S) � PipeServerc C s@ | | _ t j � | _ d | _ d | _ | j 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 | j d � } | _ | S)NF)rU rW )r �tmpr r r �_get_unconnected_pipe� s z PipeServer._get_unconnected_pipec C s� | j � r d St j t j B} | r3 | t j O} t j | j | t j t j Bt j Bt j t j t j t j t j � } t j | � } | j j | � | S)N)�closedr: ZPIPE_ACCESS_DUPLEXZFILE_FLAG_OVERLAPPEDZ FILE_FLAG_FIRST_PIPE_INSTANCEZCreateNamedPiperQ ZPIPE_TYPE_MESSAGEZPIPE_READMODE_MESSAGEZ PIPE_WAITZPIPE_UNLIMITED_INSTANCESr �BUFSIZEZNMPWAIT_WAIT_FOREVER�NULL� PipeHandlerT �add)r �first�flags�h�piper r r rW � s z PipeServer._server_pipe_handlec C s | j d k S)N)rQ )r r r r rZ s zPipeServer.closedc C su | j d k r% | j j � d | _ | j d k rq x | j D] } | j � q> Wd | _ d | _ | j j � d S)N)rV r' rQ rT �closerU �clear)r rb r r r rc s zPipeServer.closeN) r1 r2 r3 r rY rW rZ rc �__del__r r r r rP � s rP c @ s e Z d Z d d � Z d S)�_WindowsSelectorEventLoopc C s t j � S)N)r � socketpair)r r r r � _socketpair& s z%_WindowsSelectorEventLoop._socketpairN)r1 r2 r3 rh r r r r rf # s rf c sj e Z d Z d � f d d � Z d d � Z e d d � � Z e d d � � Z e d d d � � Z � S) r Nc s) | d k r t � } t � j | � d S)N)r r r )r rL )r r r r - s zProactorEventLoop.__init__c C s t j � S)N)r rg )r r r r rh 2 s z ProactorEventLoop._socketpairc c sN | j j | � } | Ed H} | � } | j | | d d | i �} | | f S)N�extra�addr)rI � connect_pipe�_make_duplex_pipe_transport)r �protocol_factoryr �frb �protocol�transr r r �create_pipe_connection5 s z(ProactorEventLoop.create_pipe_connectionc sA t � � � d � � � � � f d d � � � j � � � g S)Nc sb d } y� | rj | j � } � j j | � � j � rE | j � d S� � } � j | | d d � i �� j � } | d k r� d S� j j | � } Wn� t k r#} zh | r� | j � d k r� � j d d d | d | i � | j � n � j rt j d | d d �WYd d } ~ Xn; t j k rG| rC| j � Yn X| � _ | j � � d S) Nri rj r r# zPipe accept failedr$ rb z Accept pipe failed on pipe %r�exc_infoTr )r0 rT �discardrZ rc rl rY rI � accept_piper( �filenor* Z_debugr �warningr �CancelledErrorrV �add_done_callback)rn rb ro r+ )r �loop_accept_piperm r �serverr r ry B s< z>ProactorEventLoop.start_serving_pipe.<locals>.loop_accept_pipe)rP Z call_soon)r rm r r )r ry rm r rz r �start_serving_pipe> s !( z$ProactorEventLoop.start_serving_pipec k s� | j � } t | | | | | | | | d | d | | �} y | Ed HWn+ t k rv } z | } WYd d } ~ Xn Xd } | d k r� | j � | j � Ed H| � | S)N�waiterri )� create_future�_WindowsSubprocessTransport� Exceptionrc �_wait)r ro �args�shell�stdin�stdout�stderr�bufsizeri �kwargsr| Ztranspr+ �errr r r �_make_subprocess_transportm s z,ProactorEventLoop._make_subprocess_transport) r1 r2 r3 r rh r rq r{ r� r r )r r r * s /c @ s0 e Z d Z d d d � Z d d � Z d d � Z d d d � Z d d � Z d d d � Z d d d � Z d d � Z d d � Z d d � Z e d d � � Z d d d � Z d d � Z d d � Z d d! � Z d" d# � Z d$ d% � Z d& d' � Z d d( d) � Z d* d+ � Z d, d- � Z d. d/ � Z d S)0r l �� c C sd d | _ g | _ t j t j t d | � | _ i | _ t j � | _ g | _ t j � | _ d S)Nr ) r) �_resultsr �CreateIoCompletionPort�INVALID_HANDLE_VALUEr\ �_iocp�_cacherR rS r7 � _unregistered�_stopped_serving)r Z concurrencyr r r r � s zIocpProactor.__init__c C s) d | j j t | j � t | j � f S)Nz <%s overlapped#=%s result#=%s>)r r1 �lenr� 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 | � | j } g | _ | S)N)r� r; )r �timeoutrX r r r �select� s zIocpProactor.selectc C s | j j � } | j | � | S)N)r) r} r/ )r �valuer> r r r �_result� s zIocpProactor._resultr c C s� | j | � t j t � } yH t | t j � rM | j | j � | | � n | j | j � | � Wn t k r� | j d � SYn Xd d � } | j | | | � S)N� c S sa y | j � SWnL t k r\ } z, | j t j k rG t | j � � n � WYd d } ~ Xn Xd S)N)� getresultr( r@ r �ERROR_NETNAME_DELETED�ConnectionResetErrorr� )rp �keyr r+ r r r � finish_recv� s z&IocpProactor.recv.<locals>.finish_recv) �_register_with_iocpr � Overlappedr\ � isinstance�socketZWSARecvru ZReadFile�BrokenPipeErrorr� � _register)r �conn�nbytesr` r r� r r r �recv� s zIocpProactor.recvc C s | j | � t j t � } t | t j � rJ | j | j � | | � n | j | j � | � d d � } | j | | | � S)Nc S sa y | j � SWnL t k r\ } z, | j t j k rG t | j � � n � WYd d } ~ Xn Xd S)N)r� r( r@ r r� r� r� )rp r� r r+ r r r � finish_send� s z&IocpProactor.send.<locals>.finish_send) r� r r� r\ r� r� ZWSASendru Z WriteFiler� )r r� �bufr` r r� r r r �send� s zIocpProactor.sendc s� | j � � | j � j � � t j t � } | j � j � � j � � � � f d d � } t d d � � } | j | � | � } | | � � } t j | d | j �| S)Nc s^ | j � t j d � j � � } � j t j t j | � � j � j � � � � j � f S)Nz@P) r� �struct�packru � setsockoptr� � SOL_SOCKETr ZSO_UPDATE_ACCEPT_CONTEXT� settimeout� gettimeout� getpeername)rp r� r r� )r� �listenerr r � finish_accept� s z*IocpProactor.accept.<locals>.finish_acceptc s s6 y | Ed HWn" t j k r1 | j � � Yn Xd S)N)r rw rc )r% r� r r r � accept_coro� s z(IocpProactor.accept.<locals>.accept_coror ) r� �_get_accept_socket�familyr r� r\ ZAcceptExru r r� r Z ensure_futurer) )r r� r r� r� r% �coror )r� r� r �accept� s zIocpProactor.acceptc s� | j � � y t j � j � � j � WnS t k r } z3 | j t j k rT � � j � d d k rm � WYd d } ~ Xn Xt j t � } | j � j � | � � f d d � } | j | � | � S)Nr r c s' | j � � j t j t j d � � S)Nr )r� r� r� r� r ZSO_UPDATE_CONNECT_CONTEXT)rp r� r )r� r r �finish_connect� s z,IocpProactor.connect.<locals>.finish_connect)r� r Z BindLocalru r� r( r@ �errnoZ WSAEINVAL� getsocknamer� r\ Z ConnectExr� )r r� r �er r� r )r� r �connect� s zIocpProactor.connectc si | j � � t j t � } | j � j � � } | rD | j � � S� f d d � } | j | � | � S)Nc s | j � � S)N)r� )rp r� r )rb r r �finish_accept_pipe s z4IocpProactor.accept_pipe.<locals>.finish_accept_pipe)r� r r� r\ ZConnectNamedPiperu r� r� )r rb r Z connectedr� r )rb r rt s zIocpProactor.accept_pipec c s� t } x� y t j | � } PWn: t k rY } z | j t j k rG � WYd d } ~ Xn Xt | d t � } t j | d | j �Ed Hq Wt j | � S)N� r ) �CONNECT_PIPE_INIT_DELAYr Z ConnectPiper( r@ ZERROR_PIPE_BUSY�min�CONNECT_PIPE_MAX_DELAYr �sleepr) r r] )r r �delayr8 r+ r r r rk s zIocpProactor.connect_pipec C s | j | | d � S)NF)�_wait_for_handle)r r8 r� r r r �wait_for_handle* s z IocpProactor.wait_for_handlec C s" | j | d d � } | | _ | S)NT)r� rD )r rE Z done_callbackr> r r r rO 2 s zIocpProactor._wait_cancelc s� | d k r t j } n t j | d � } t j t � } t j | | j | j | � } | r| t | | | d | j �� n t | | | | d | j �� � j r� � j d =� f d d � } � | d | f | j | j <� S)Ng @�@r r c s � j � S)N)r; )rp r� r )rn r r �finish_wait_for_handleM s z=IocpProactor._wait_for_handle.<locals>.finish_wait_for_handler r )r: �INFINITE�math�ceilr r� r\ ZRegisterWaitWithQueuer� r rC r) rH r r� )r r8 r� Z _is_cancel�msr r9 r� r )rn r r� 9 s z IocpProactor._wait_for_handlec C sB | | j k r> | j j | � t j | j � | j d d � d S)Nr )r7 r^ r r� ru r� )r �objr r r r� Y s z IocpProactor._register_with_iocpc C s� t | d | j �} | j r( | j d =| j s� y | d d | � } Wn2 t k r{ } z | j | � WYd d } ~ Xn X| j | � | | | | f | j | j <| S)Nr r r ) r r) r r r( r. r/ r� r )r r r� �callbackrn r� r� r r r r� c s zIocpProactor._registerc C s | j j | � d S)N)r� r= )r r r r r rN � s zIocpProactor._unregisterc C s t j | � } | j d � | S)Nr )r� r� )r r� �sr r r r� � s z IocpProactor._get_accept_socketc C s | d k r t } nF | d k r0 t d � � n+ t j | d � } | t k r[ t d � � xut j | j | � } | d k r� Pd } | \ } } } } y" | j j | � \ } } } } Wnr t k r.| j j � r| j j d d d d | | | | f i � | d t j f k r't j | � w^ Yn X| | j k rK| j � q^ | j � s^ y | | | | � } WnB t k r�} z" | j | � | j j | � WYd d } ~ Xq^ X| j | � | j j | � q^ Wx' | j D] } | j j | j d � q�W| j j � d S) Nr znegative timeoutg @�@ztimeout too bigr# z8GetQueuedCompletionStatus() returned an unexpected event�statusz)err=%s transferred=%s key=%#x address=%#x)r� � ValueErrorr� r� r ZGetQueuedCompletionStatusr� r� �pop�KeyErrorr) Z get_debugr* r� r: rM r� r' �doner( r. r� r= r/ r� r rd )r r� r� r� r� Z transferredr� r rn r r� r� r� r� r r r r; � sJ " # zIocpProactor._pollc C s | j j | � d S)N)r� r^ )r r� r r r � _stop_serving� s zIocpProactor._stop_servingc C s7 x� t | j j � � D]� \ } \ } } } } | j � r= q t | t � rO q y | j � Wq t k r� } zR | j d k r� d d d | d | i } | j r� | j | d <| j j | � WYd d } ~ Xq Xq Wx) | j r| j d � s� t j d � q� Wg | _ | j d k r3t j | j � d | _ d S)Nr# zCancelling a future failedr$ r% r& r z"taking long time to close proactor)�listr� �items� cancelledr� rC r' r( r) r r* r; r �debugr� r� r: rM )r r r> r r� r� r+ r, r r r rc � s, . ' zIocpProactor.closec C s | j � d S)N)rc )r r r r re � s zIocpProactor.__del__)r1 r2 r3 r r� r� r� r� r� r� r� r� rt r rk r� rO r� r� r� rN r� r; r� rc re r r r r r � s, 7 c @ s e Z d Z d d � Z d S)r~ c sw t j | d | d | d | d | d | | �� _ � f d d � } � j j j t � j j � � } | j | � d S)Nr� r� r� r� r� c s � j j � } � j | � d S)N)�_proc�pollZ_process_exited)rn � returncode)r r r r� � s z4_WindowsSubprocessTransport._start.<locals>.callback) r �Popenr� r) rI r� �intr5 rx ) r r� r� r� r� r� r� r� r� rn r )r r �_start� s !z"_WindowsSubprocessTransport._startN)r1 r2 r3 r� r r r r r~ � s r~ c @ s e Z d Z e Z d S)� _WindowsDefaultEventLoopPolicyN)r1 r2 r3 r Z _loop_factoryr r r r r� s r� ),r: r� r� r� r� rR � r r r r r r r r Z coroutinesr �logr �__all__r\ r� ZERROR_CONNECTION_REFUSEDZERROR_CONNECTION_ABORTEDr� r� �Futurer r4 rC rH �objectrP ZBaseSelectorEventLooprf ZBaseProactorEventLoopr r ZBaseSubprocessTransportr~ r ZBaseDefaultEventLoopPolicyr� r r r r r �<module> sH 0J4;]� j
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