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Š¹¼]	  ã               @   sW   d  d l  Z  d  d l Z d  d l Z d d l m Z d g Z Gd d „  d e ƒ Z d S)é    Né   )ÚutilÚ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   Úforkc             C   s4   t  j j ƒ  t  j j ƒ  d  |  _ |  j | ƒ d  S)N)ÚsysÚstdoutÚflushÚstderrÚ
returncodeÚ_launch)ÚselfÚprocess_obj© r   ú//opt/alt/python35/lib64/python3.5/popen_fork.pyÚ__init__   s    	zPopen.__init__c             C   s   | S)Nr   )r   Úfdr   r   r   Úduplicate_for_child   s    zPopen.duplicate_for_childc             C   s¯   |  j  d  k r¨ xP y t j |  j | ƒ \ } } Wn) t k
 r\ } z	 d  SWYd  d  } ~ Xq XPq W| |  j k r¨ t j | ƒ r– t j | ƒ |  _  n t j | ƒ |  _  |  j  S)N)r
   ÚosÚwaitpidÚpidÚOSErrorÚWIFSIGNALEDÚWTERMSIGÚWEXITSTATUS)r   Úflagr   ÚstsÚer   r   r   Úpoll   s    z
Popen.pollNc             C   sm   |  j  d  k rf | d  k	 rD d d l m } | |  j g | ƒ sD d  S|  j | d k r_ t j n d ƒ S|  j  S)Nr   )Úwaitg        )r
   Úmultiprocessing.connectionr   Úsentinelr   r   ÚWNOHANG)r   Útimeoutr   r   r   r   r   ,   s    "z
Popen.waitc             C   sn   |  j  d  k rj y t j |  j t j ƒ Wn> t k
 r= Yn- t k
 ri |  j d d ƒ d  k re ‚  Yn Xd  S)Nr"   gš™™™™™¹?)	r
   r   Úkillr   ÚsignalÚSIGTERMÚProcessLookupErrorr   r   )r   r   r   r   Ú	terminate6   s    zPopen.terminatec             C   s¿   d } t  j ƒ  \ } } t  j ƒ  |  _ |  j d k rŒ zB t  j | ƒ d t j k rk d d  l } | j ƒ  | j	 ƒ  } Wd  t  j
 | ƒ Xn/ t  j | ƒ t j |  t  j | f ƒ | |  _ d  S)Nr   r   Úrandom)r   Úpiper   r   Úcloser   Úmodulesr(   ÚseedÚ
_bootstrapÚ_exitr   ÚFinalizer    )r   r   ÚcodeZparent_rZchild_wr(   r   r   r   r   @   s    
zPopen._launch)Ú__name__Ú
__module__Ú__qualname__Úmethodr   r   r   r!   r   r   r'   r   r   r   r   r   r      s   

)r   r   r$   Ú r   Ú__all__Úobjectr   r   r   r   r   Ú<module>   s
   	