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    XC?hI	                     @   s6   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/python39/lib64/python3.9/multiprocessing/popen_fork.py__init__   s    zPopen.__init__c                 C   s   |S r   r   )r
   fdr   r   r   duplicate_for_child   s    zPopen.duplicate_for_childc                 C   sR   | j d u rLzt| j|\}}W n ty4   Y d S 0 || jkrLt|| _ | j S r   )r   oswaitpidpidOSErrorwaitstatus_to_exitcode)r
   flagr   stsr   r   r   poll   s    

z
Popen.pollNc                 C   sN   | j d u rH|d u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   $   s    
z
Popen.waitc                 C   sV   | j d u rRzt| j| W n4 ty.   Y n$ tyP   | jddd u rL Y n0 d S )Ng?)r   )r   r   killr   ProcessLookupErrorr   r   )r
   Zsigr   r   r   _send_signal.   s    
zPopen._send_signalc                 C   s   |  tj d S r   )r   signalSIGTERMr
   r   r   r   	terminate8   s    zPopen.terminatec                 C   s   |  tj d S r   )r   r    SIGKILLr"   r   r   r   r   ;   s    z
Popen.killc              	   C   s   d}t  \}}t  \}}t  | _| jdkrnz.t | t | |j|d}W t | qt | 0 n0t | t | t| tj	||f| _
|| _d S )Nr   r   )Zparent_sentinel)r   piper   r   close
_bootstrap_exitr   ZFinalizeZ	close_fdsr   r   )r
   r   codeZparent_rZchild_wZchild_rZparent_wr   r   r   r	   >   s     






zPopen._launchc                 C   s   | j d ur|    d S r   )r   r"   r   r   r   r&   Q   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   r     r   __all__objectr   r   r   r   r   <module>   s   