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e ft	                 @   sc   d  d l  Z  d  d l Z d  d l Z d  d l Z d d l m Z d g Z Gd d   d e  Z d S)    N   )utilPopenc               @   sg   e  Z d  Z d Z d d   Z d d   Z e j d d  Z d d	 d
  Z	 d d   Z
 d d   Z d S)r   forkc             C   s4   t  j j   t  j j   d  |  _ |  j |  d  S)N)sysstdoutflushstderr
returncode_launch)selfprocess_obj r   ?/opt/alt/python34/lib64/python3.4/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 r xh y t j |  j |  \ } } WnA t k
 rt } z! | j t j k r^ w n  d  SWYd  d  } ~ Xq XPq W| |  j k r t j |  r t j |  |  _  q t j	 |  |  _  q n  |  j  S)N)
r
   oswaitpidpidOSErrorerrnoZEINTRWIFSIGNALEDWTERMSIGWEXITSTATUS)r   Zflagr   stser   r   r   poll   s    z
Popen.pollNc             C   sp   |  j  d  k ri | d  k	 rG d d l m } | |  j g |  sG d  Sn  |  j | d k rb t 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   st   |  j  d  k rp y t j |  j t j  Wqp t k
 r= Yqp t k
 rl |  j d d  d  k rh   n  Yqp Xn  d  S)Nr!   g?)	r
   r   killr   signalSIGTERMProcessLookupErrorr   r   )r   r   r   r   	terminate9   s    zPopen.terminatec             C   s   d } t  j   \ } } t  j   |  _ |  j d k r zE t  j |  d t j k rn d d  l } | j   n  | j	   } Wd  t  j
 |  Xn/ t  j |  t j |  t  j | f  | |  _ d  S)Nr   r   random)r   piper   r   closer   modulesr'   Zseed
_bootstrap_exitr   ZFinalizer   )r   r   codeZparent_rZchild_wr'   r   r   r   r   C   s    zPopen._launch)__name__
__module____qualname__methodr   r   r   r    r   r   r&   r   r   r   r   r   r      s   

)	r   r   r#   r    r   __all__objectr   r   r   r   r   <module>   s   	