File: //lib64/python3.6/multiprocessing/__pycache__/popen_spawn_posix.cpython-36.opt-1.pyc
3
\p � @ 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 �9/usr/lib64/python3.6/multiprocessing/popen_spawn_posix.py�__init__ s z_DupFd.__init__c C s | j S )N)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� j|� d S )N)�_fds�superr )r � process_obj)� __class__r r
r s zPopen.__init__c C s | j j|� |S )N)r �append)r r
r r r
�duplicate_for_child" s zPopen.duplicate_for_childc
C s@ ddl m} |j� }| jj|� tj|j�}tj � }t
| � z t j ||� t j ||� W d t
d � X d } } }} z~t
j� \}}t
j� \}} tj||d�}
| jj||g� tjtj� |
| j�| _|| _t| ddd��} | j|j� � W d Q R X W d |d k �rtj| t
j|f� x(||| fD ]} | d k �r t
j| � �q W X d S )Nr )�semaphore_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� getbufferZFinalize�close)
r r r r Z prep_data�fpZparent_rZchild_wZchild_rZparent_w�cmd�fr
r r r
�_launch& s6
z
Popen._launch)
r r r �methodr ZDupFdr r r. �
__classcell__r r )r r
r s
)
r r" �contextr r r r r r �__all__�objectr r r r r r
�<module> s