o
    JAf(%                     @   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
 g dZejdkp@eedo@eedo@eejd	ZG d
d dejZejZd8ddZejdkr~eg d7 Zd dlZd9ddddZdd Zdd Zdd ZG dd deZn#eg d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/d0 Z+d1d2 Z,eeje+ nd3d0 Z+d4d2 Z,eeje+ G d5d6 d6ed7Z-dS ):    )ABCMetaN   )context)send_handlerecv_handleForkingPicklerregisterdumpwin32CMSG_LEN
SCM_RIGHTSsendmsgc                       sH   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__ 0/usr/lib/python3.10/multiprocessing/reduction.pyr   &   s   zForkingPickler.__init__c                 C   s   	 || j |< d S r   )r   )clstypereducer   r   r   r   +   s   zForkingPickler.registerNc                 C   s    t  }| ||| | S r   )ioBytesIOr	   	getbuffer)r   objprotocolbufr   r   r   dumps0   s   zForkingPickler.dumpsr   )__name__
__module____qualname__r   copyregr   r   r   classmethodr   r&   pickleloads__classcell__r   r   r   r   r   !   s    
r   c                 C   s   	 t |||  d S r   )r   r	   )r#   filer$   r   r   r   r	   :   s   r	   )	DupHandle	duplicatesteal_handleF)source_processc                C   s8   	 t  }|d u r|}|d u r|}t || |d|t jS )Nr   )_winapiGetCurrentProcessDuplicateHandleDUPLICATE_SAME_ACCESS)handleZtarget_processinheritabler3   current_processr   r   r   r1   G   s   r1   c              	   C   sL   	 t t jd| }zt ||t  ddt jt jB W t | S t | w NFr   )r4   OpenProcessPROCESS_DUP_HANDLEr6   r5   r7   DUPLICATE_CLOSE_SOURCECloseHandle)Z
source_pidr8   Zsource_process_handler   r   r   r2   S   s   

r2   c                 C   s   	 t |tj|}| | d S r   )r0   r4   r7   send)connr8   destination_pidZdhr   r   r   r   _   s   r   c                 C   s   	 |    S r   )recvdetach)rA   r   r   r   r   d   s   r   c                   @   s    e Zd Z	 dddZdd ZdS )r0   Nc              	   C   sf   |d u rt  }ttjd|}ztt |||dd| _W t| nt| w || _	|| _
d S r;   )osgetpidr4   r<   r=   r6   r5   _handler?   _access_pid)r   r8   accesspidprocr   r   r   r   j   s   

zDupHandle.__init__c              	   C   s`   	 | j t kr| jS ttjd| j }zt|| jt | j	dtj
W t| S t| w NF)rI   rE   rF   rG   r4   r<   r=   r6   r5   rH   r>   r?   )r   rL   r   r   r   rD   y   s   

zDupHandle.detachr   )r'   r(   r)   r   rD   r   r   r   r   r0   h   s    
r0   )DupFdsendfdsrecvfdsdarwinc                 C   s\   	 t  d|}tt|d g}| |gtjtj|fg tr*| ddkr,t	dd S d S )Ni   r      Az%did not receive acknowledgement of fd)
arraybyteslenr   socket
SOL_SOCKETr   ACKNOWLEDGErC   RuntimeError)sockfdsmsgr   r   r   rO      s   rO   c              	   C   s  	 t  d}|j| }| dt|\}}}}|s|stz[tr&| d t|dkr4t	dt| |d \}}	}
|tj
krp|	tjkrut|
|j dkrPt||
 t|d |d krktdt||d t|W S W t	dW t	d ttfy   Y t	dw )	NrR   r   rT   zreceived %d items of ancdatar   rS   z Len is {0:n} but msg[0] is {1!r}zInvalid data received)rU   itemsizerecvmsgrX   
CMSG_SPACEEOFErrorrZ   r@   rW   r[   rY   r   
ValueError	frombytesAssertionErrorformatlist
IndexError)r\   sizea
bytes_sizer^   ancdataflagsaddr
cmsg_level	cmsg_type	cmsg_datar   r   r   rP      sD   






rP   c                 C   sJ   	 t |  t jt j}t||g W d    d S 1 sw   Y  d S r   )rX   fromfdfilenoAF_UNIXSOCK_STREAMrO   )rA   r8   rB   sr   r   r   r      s   "c                 C   sJ   	 t |  t jt j}t|dd W  d    S 1 sw   Y  d S )Nr   r   )rX   rr   rs   rt   ru   rP   )rA   rv   r   r   r   r      s   $c                 C   sD   	 t  }|d ur||| S trddlm} || S td)Nr   )resource_sharerz&SCM_RIGHTS appears not to be available)r   get_spawning_popenrN   duplicate_for_childHAVE_SEND_HANDLE rw   rc   )fd	popen_objrw   r   r   r   rN      s   
rN   c                 C   s.   | j d u rt| j| jjffS t| j | jjffS r   )__self__getattrr   __func__r'   mr   r   r   _reduce_method   s   
r   c                   @   s   e Zd Zdd ZdS )_Cc                 C   s   d S r   r   )r   r   r   r   f   s   z_C.fN)r'   r(   r)   r   r   r   r   r   r      s    r   c                 C   s   t | j| jffS r   )r   __objclass__r'   r   r   r   r   _reduce_method_descriptor   s   r   c                 C   s   t | j| j| jp	i ffS r   )_rebuild_partialfuncr   keywords)pr   r   r   _reduce_partial      r   c                 C   s   t j| g|R i |S r   )	functoolspartial)r   r   r   r   r   r   r      r   r   c                 C   s   ddl m} t|| ffS )Nr   )	DupSocket)rw   r   _rebuild_socket)rv   r   r   r   r   _reduce_socket   s   r   c                 C   s   |   S r   )rD   )Zdsr   r   r   r      s   r   c                 C   s"   t |  }t|| j| j| jffS r   )rN   rs   r   familyr   proto)rv   dfr   r   r   r      s   c                 C   s   |   }tj||||dS )N)rs   )rD   rX   )r   r   r   r   r|   r   r   r   r      s   c                   @   sb   e Zd Z	 eZeZeZeZeZej	dkre
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 r   )r   r   r   r   r   rg   appendr   int__add__r   r   r   rX   r   r   r   r   r   r     s
   zAbstractReducer.__init__N)r'   r(   r)   r   r   r	   r   r   sysplatformr2   r1   r0   rO   rP   rN   r   r   r   r   r   r   r   r   r   r   r      s(    
r   )	metaclassr   rM   ).abcr   r*   r   r    rE   r,   rX   r   r{   r   __all__r   hasattrrz   Picklerr   r   r	   r4   r1   r2   r   r   objectr0   rU   rZ   rO   rP   rN   r   r   r   r   r   rg   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sl   	


	

#

