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     fZ	                 @   s>   d dl Z d dlZd dlZddlmZ dgZG dd deZdS )    N   )utilPopenc               @   s`   e Zd ZdZdd Zdd ZejfddZdd	d
Z	dd Z
dd Zdd Zdd Zdd ZdS )r   forkc             C   s"   t   d | _d | _| | d S )N)r   Z_flush_std_streams
returncode	finalizer_launch)selfprocess_obj r   ?/opt/alt/python37/lib64/python3.7/multiprocessing/popen_fork.py__init__   s    zPopen.__init__c             C   s   |S )Nr   )r	   fdr   r   r   duplicate_for_child   s    zPopen.duplicate_for_childc          
   C   s   | j d kryt| j|\}}W n" tk
rB } zd S d }~X Y nX || jkrt|rht| | _ n$t|std	|t
|| _ | j S )NzStatus is {:n})r   oswaitpidpidOSErrorWIFSIGNALEDWTERMSIG	WIFEXITEDAssertionErrorformatWEXITSTATUS)r	   flagr   stser   r   r   poll   s    


z
Popen.pollNc             C   sN   | j d krH|d k	r0ddlm} || jg|s0d S | |dkrBtjndS | j S )Nr   )waitg        )r   Zmultiprocessing.connectionr   sentinelr   r   WNOHANG)r	   timeoutr   r   r   r   r   )   s    
z
Popen.waitc             C   sZ   | j d krVyt| j| W n8 tk
r0   Y n& tk
rT   | jddd krP Y nX d S )Ng?)r!   )r   r   killr   ProcessLookupErrorr   r   )r	   Zsigr   r   r   _send_signal3   s    
zPopen._send_signalc             C   s   |  tj d S )N)r$   signalSIGTERM)r	   r   r   r   	terminate=   s    zPopen.terminatec             C   s   |  tj d S )N)r$   r%   SIGKILL)r	   r   r   r   r"   @   s    z
Popen.killc          	   C   sr   d}t  \}}t  | _| jdkrJzt | | }W d t | X n$t | t| t j|f| _	|| _
d S )Nr   r   )r   piper   r   close
_bootstrap_exitr   ZFinalizer   r   )r	   r
   codeZparent_rZchild_wr   r   r   r   C   s    



zPopen._launchc             C   s   | j d k	r|    d S )N)r   )r	   r   r   r   r*   R   s    
zPopen.close)N)__name__
__module____qualname__methodr   r   r   r    r   r   r$   r'   r"   r   r*   r   r   r   r   r      s   


)r   sysr%    r   __all__objectr   r   r   r   r   <module>   s
   