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B
    YI~d$                 @   s  d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZddl	m
Z
 ddddd	gZejd
kpeedoeedoeejdZG dd dejZejZd5dd	Zejd
kr edddg7 Zd dlZd6ddZdd Zdd Zdd ZG dd deZnHedddg7 Zd dlZejdkZdd Zdd Zdd Zd d Zd!d Zd"d# ZG d$d% d%Z ee!e  j"e d&d' Z#ee!e$j%e# ee!e&j'e# d(d) Z(d*d+ Z)eej*e( ejd
krd,d- Z+d.d/ Z,eeje+ nd0d- Z+d1d/ Z,eeje+ G d2d3 d3ed4Z-dS )7    )ABCMetaN   )contextsend_handlerecv_handleForkingPicklerregisterdumpwin32ZCMSG_LEN
SCM_RIGHTSsendmsgc                   sF   e Zd Zi ZejZ fddZedd Z	edddZ
ejZ  ZS )	r   c                s*   t  j|  | j | _| j| j d S )N)super__init___copyreg_dispatch_tablecopydispatch_tableupdate_extra_reducers)selfargs)	__class__ >/opt/alt/python37/lib64/python3.7/multiprocessing/reduction.pyr   &   s    zForkingPickler.__init__c             C   s   || j |< d S )N)r   )clstypereducer   r   r   r   +   s    zForkingPickler.registerNc             C   s    t  }| ||| | S )N)ioBytesIOr	   	getbuffer)r   objprotocolbufr   r   r   dumps0   s    zForkingPickler.dumps)N)__name__
__module____qualname__r   copyregr   r   r   classmethodr   r"   pickleloads__classcell__r   r   )r   r   r   !   s   c             C   s   t |||  d S )N)r   r	   )r   filer    r   r   r   r	   :   s    	DupHandle	duplicatesteal_handleFc             C   s*   |d krt  }t t  | |d|t jS )Nr   )_winapiGetCurrentProcessDuplicateHandleDUPLICATE_SAME_ACCESS)handleZtarget_processZinheritabler   r   r   r-   G   s
    
c          	   C   sB   t t jd| }z t ||t  ddt jt jB S t | X d S )NFr   )r/   OpenProcessPROCESS_DUP_HANDLEr1   r0   r2   DUPLICATE_CLOSE_SOURCECloseHandle)Z
source_pidr3   Zsource_process_handler   r   r   r.   O   s    
c             C   s   t |tj|}| | d S )N)r,   r/   r2   send)connr3   destination_pidZdhr   r   r   r   [   s    c             C   s   |    S )N)recvdetach)r9   r   r   r   r   `   s    c               @   s   e Zd ZdddZdd ZdS )r,   Nc          	   C   s\   |d krt  }ttjd|}ztt |||dd| _W d t| X || _	|| _
d S )NFr   )osgetpidr/   r4   r5   r1   r0   _handler7   _access_pid)r   r3   accesspidprocr   r   r   r   f   s    zDupHandle.__init__c          	   C   sV   | j t kr| jS ttjd| j }zt|| jt | j	dtj
S t| X d S )NF)rA   r=   r>   r?   r/   r4   r5   r1   r0   r@   r6   r7   )r   rD   r   r   r   r<   u   s    
zDupHandle.detach)N)r#   r$   r%   r   r<   r   r   r   r   r,   d   s   
DupFdsendfdsrecvfdsdarwinc             C   sV   t  d|}tt|d g}| |gtjtj|fg trR| ddkrRt	dd S )Ni   r      Az%did not receive acknowledgement of fd)
arraybyteslenr   socket
SOL_SOCKETr   ACKNOWLEDGEr;   RuntimeError)sockZfdsmsgr   r   r   rF      s
    c          	   C   s  t  d}|j| }| dt|\}}}}|s:|s:tytrJ| d t|dkrft	dt| |d \}}	}
|tj
kr|	tjkrt|
|j dkrt||
 t|d |d krtdt||d t|S W n ttfk
r   Y nX t	dd S )	NrI   r   rK   zreceived %d items of ancdatar   rJ   z Len is {0:n} but msg[0] is {1!r}zInvalid data received)rL   itemsizeZrecvmsgrO   Z
CMSG_SPACEEOFErrorrQ   r8   rN   rR   rP   r   
ValueErrorZ	frombytesAssertionErrorformatlist
IndexError)rS   sizeaZ
bytes_sizerT   ZancdataflagsZaddrZ
cmsg_levelZ	cmsg_typeZ	cmsg_datar   r   r   rG      s2    





c          	   C   s2   t |  t jt j}t||g W d Q R X d S )N)rO   fromfdfilenoAF_UNIXSOCK_STREAMrF   )r9   r3   r:   sr   r   r   r      s    c          	   C   s0   t |  t jt j}t|dd S Q R X d S )Nr   r   )rO   r_   r`   ra   rb   rG   )r9   rc   r   r   r   r      s    c             C   sF   t  }|d k	r ||| S tr:ddlm} || S tdd S )Nr   )resource_sharerz&SCM_RIGHTS appears not to be available)r   Zget_spawning_popenrE   Zduplicate_for_childHAVE_SEND_HANDLE rd   rW   )fdZ	popen_objrd   r   r   r   rE      s    
c             C   s2   | j d krt| j| jjffS t| j | jjffS d S )N)__self__getattrr   __func__r#   )mr   r   r   _reduce_method   s    
rl   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$   r%   rn   r   r   r   r   rm      s   rm   c             C   s   t | j| jffS )N)ri   __objclass__r#   )rk   r   r   r   _reduce_method_descriptor   s    rp   c             C   s   t | j| j| jpi ffS )N)_rebuild_partialfuncr   keywords)pr   r   r   _reduce_partial   s    ru   c             C   s   t j| f||S )N)	functoolspartial)rr   r   rs   r   r   r   rq      s    rq   c             C   s   ddl m} t|| ffS )Nr   )	DupSocket)rd   rx   _rebuild_socket)rc   rx   r   r   r   _reduce_socket   s    rz   c             C   s   |   S )N)r<   )Zdsr   r   r   ry      s    ry   c             C   s"   t |  }t|| j| j| jffS )N)rE   r`   ry   familyr   proto)rc   dfr   r   r   rz      s    c             C   s   |   }tj||||dS )N)r`   )r<   rO   )r}   r{   r   r|   rg   r   r   r   ry      s    c               @   s`   e Zd ZeZeZeZeZeZej	dkr4e
Z
eZeZneZeZeZeZeZeZeZeZdd ZdS )AbstractReducerr
   c             G   sN   t tt jt t ttjt t ttj	t t t
jt t tjt d S )N)r   r   rm   rn   rl   rZ   appendrp   int__add__rv   rw   ru   rO   rz   )r   r   r   r   r   r     s
    zAbstractReducer.__init__N)r#   r$   r%   r   r   r	   r   r   sysplatformr.   r-   r,   rF   rG   rE   rl   rp   rq   rz   ry   r   r   r   r   r   r~      s$   
r~   )	metaclass)N)NF).abcr   r&   rv   r   r=   r(   rO   r   rf   r   __all__r   hasattrre   ZPicklerr   r   r	   r/   r-   r.   r   r   objectr,   rL   rQ   rF   rG   rE   rl   rm   r   rn   rp   rZ   r   r   r   ru   rq   rw   rz   ry   r~   r   r   r   r   <module>
   sb   




#
