File: //.vs/usr/lib/python3.9/multiprocessing/__pycache__/popen_spawn_posix.cpython-39.pyc
a
kx�g� � @ sp d dl Z d dlZddlmZmZ ddlmZ ddlmZ ddlmZ dgZ G dd � d e
�Z G d
d� dej �Z dS ) � N� )� reduction�set_spawning_popen)�
popen_fork)�spawn)�util�Popenc @ s e Zd Zdd� Zdd� ZdS )�_DupFdc C s
|| _ d S �N��fd��selfr � r �7/usr/lib/python3.9/multiprocessing/popen_spawn_posix.py�__init__ s z_DupFd.__init__c C s | j S r
r )r r r r �detach s z
_DupFd.detachN)�__name__�
__module__� __qualname__r r r r r r r s r c s4 e Zd ZdZeZ� fdd�Zdd� Zdd� Z� Z S )r r c s g | _ t� �|� d S r
)�_fds�superr )r � process_obj�� __class__r r r s zPopen.__init__c C s | j �|� |S r
)r �appendr
r r r �duplicate_for_child" s zPopen.duplicate_for_childc C s� ddl m} |�� }| j�|� t�|j�}t� � }t
| � z$t � ||� t � ||� W t
d � n
t
d � 0 d } } }} z�t
�� \}}t
�� \}} tj||d�}
| j�||g� t�t�� |
| j�| _|| _t| ddd�� } | �|�� � W d � n1 �s0 Y W g } || fD ]}
|
d u�r | �|
� �q t�| tj| �| _||fD ]}
|
d u�rRt
� |
� �qRn`g } || fD ]}
|
d u�r|| �|
� �q|t�| tj| �| _||fD ]}
|
d u�r�t
� |
� �q�0 d S )Nr )�resource_tracker)�
tracker_fdZ pipe_handle�wbF)�closefd) � r Zgetfdr r r Zget_preparation_data�_name�io�BytesIOr r �dump�os�pipeZget_command_line�extendr Zspawnv_passfdsZget_executable�pid�sentinel�open�write� getbufferZFinalizeZ close_fds� finalizer�close)r r r r Z prep_data�fpZparent_rZchild_wZchild_rZparent_w�cmd�fZ fds_to_closer r r r �_launch& sP �
�0
�
z
Popen._launch)
r r r �methodr ZDupFdr r r3 �
__classcell__r r r r r s
)
r# r& �contextr r r! r r r �__all__�objectr r r r r r �<module> s