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(target_process is a handle not a pid!)Nr )�_winapi�GetCurrentProcess�DuplicateHandle�DUPLICATE_SAME_ACCESS)�handleZtarget_processZ inheritabler r r r, F s c C s] t j t j d | � } z0 t j | | t j � d d t j t j B� SWd t j | � Xd S)z5Steal a handle from process identified by source_pid.Fr N)r. � OpenProcess�PROCESS_DUP_HANDLEr0 r/ r1 �DUPLICATE_CLOSE_SOURCE� CloseHandle)Z source_pidr2 Zsource_process_handler r r r- N s c C s& t | t j | � } | j | � d S)z&Send a handle over a local connection.N)r+ r. r1 �send)�connr2 �destination_pidZdhr r r r Z s c C s | j � j � S)z)Receive a handle over a local connection.)�recv�detach)r8 r r r r _ s c @ s1 e Z d Z d Z d d d � Z d d � Z d S)r+ z Picklable wrapper for a handle.Nc C s� | d k r t j � } n t j t j d | � } z+ t j t j � | | | d d � | _ Wd t j | � X| | _ | | _ d S)NFr ) �os�getpidr. r3 r4 r0 r/ �_handler6 �_access�_pid)r r2 �access�pid�procr r r r e s zDupHandle.__init__c C s{ | j t j � k r | j St j t j d | j � } z/ t j | | j t j � | j d t j � SWd t j | � Xd S)z1Get the handle. This should only be called once.FN) r@ r< r= r> r. r3 r4 r0 r/ r? r5 r6 )r rC r r r r; t s zDupHandle.detach)r" r# r$ r% r r; r r r r r+ c s �DupFd�sendfds�recvfds�darwinc C s~ t j d | � } t t | � d g � } | j | g t j t j | f g � t rz | j d � d k rz t d � � n d S)z,Send an array of fds over an AF_UNIX socket.�i� r � Az%did not receive acknowledgement of fdN) �array�bytes�lenr �socket� SOL_SOCKETr � ACKNOWLEDGEr: � RuntimeError)�sockZfds�msgr r r rE � s %c C s4 t j d � } | j | } | j d t j | � � \ } } } } | rZ | rZ t � n y� t rs | j d � n t | � d k r� t d t | � � � n | d \ } } } | t j k r| t j k rt | � | j d k r� t � n | j | � t | � SWn t t f k r#Yn Xt d � � d S)z/Receive an array of fds over an AF_UNIX socket.rH r rJ z received %d items of ancdatar zInvalid data receivedN)rK �itemsizeZrecvmsgrN r �EOFErrorrP r7 rM rQ rO r � ValueErrorZ frombytes�list� IndexError) rR �size�aZ bytes_sizerS Zancdata�flagsZaddrZ cmsg_levelZ cmsg_typeZ cmsg_datar r r rF � s* ' c C s> t j | j � t j t j � � } t | | g � Wd QXd S)z&Send a handle over a local connection.N)rN �fromfd�fileno�AF_UNIX� SOCK_STREAMrE )r8 r2 r9 �sr r r r � s $c C s? t j | j � t j t j � � } t | d � d SWd QXd S)z)Receive a handle over a local connection.r r N)rN r\ r] r^ r_ rF )r8 r` r r r r � s $c C sa t j � } | d k r. | j | j | � � St rQ d d l m } | j | � St d � � d S)zReturn a wrapper for an fd.Nr )�resource_sharerz&SCM_RIGHTS appears not to be available)r Zget_spawning_popenrD Zduplicate_for_child�HAVE_SEND_HANDLE� ra rV )�fdZ popen_objra r r r rD � s c C sE | j d k r( t | j | j j f f St | j | j j f f Sd S)N)�__self__�getattrr �__func__r" )�mr r r �_reduce_method� s ri c @ s e Z d Z d d � Z d S)�_Cc C s d S)Nr )r r r r �f� s z_C.fN)r" r# r$ rk r r r r rj � s rj c C s t | j | j f f S)N)rf � __objclass__r" )rh r r r �_reduce_method_descriptor� s rm c C s" t | j | j | j p i f f S)N)�_rebuild_partial�funcr �keywords)�pr r r �_reduce_partial� s rr c C s t j | | | � S)N)� functools�partial)ro r rp r r r rn � s rn c C s# d d l m } t | | � f f S)Nr )� DupSocket)ra ru �_rebuild_socket)r` ru r r r �_reduce_socket� s rw c C s | j � S)N)r; )Zdsr r r rv � s rv c C s1 t | j � � } t | | j | j | j f f S)N)rD r] rv �familyr �proto)r` �dfr r r rw � s c C s% | j � } t j | | | d | �S)Nr] )r; rN )rz rx r ry rd r r r rv � s )+r& rs r r< r( rN �sysrc r �__all__�platform�hasattrrb ZPicklerr r r r. r, r- r r �objectr+ rK rP rE rF rD ri rj r rk rm rW �append�int�__add__rr rn rt rw rv r r r r �<module> s^ #
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