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python3.4
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� e f�# � @ sy d d d g Z d d l Z d d l Z d d l Z d d l Z d d l m Z y e j j e j � � Z Wn e k r� d Z Yn Xd d � Z d d � Z d d � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z e � a e j d � a e � a [ i Z xS e e j j � � D]< \ Z Z e d d � d k r,d e k r,e e e <q,q,We � Z d S)� BaseProcess�current_process�active_children� N)�WeakSetc C s t S)z@ Return process object representing the current process )�_current_process� r r �</opt/alt/python34/lib64/python3.4/multiprocessing/process.pyr # s c C s t � t t � S)zN Return list of process objects corresponding to live child processes )�_cleanup�list� _childrenr r r r r ) s c C s@ x9 t t � D]+ } | j j � d k r t j | � q q Wd S)N)r r �_popen�poll�discard)�pr r r r 4 s r c @ sK e Z d Z d Z d d � Z d d d f i d d d d �Z d d � Z d d � Z d d � Z d d d � Z d d � Z e d d � � Z e j d d � � Z e d d � � Z e j d d � � Z e d d � � Z e j d d � � Z e d d � � Z e d d � � Z e Z e d d � � Z d! d" � Z d# d$ � Z d S)%r z� Process objects represent activity that is run in a separate process The class is analogous to `threading.Thread` c C s t � d S)N)�NotImplementedError)�selfr r r �_PopenD s zBaseProcess._PopenN�daemonc C s� | d k s t d � � t t � } t j | f | _ t j j � | _ t j � | _ d | _ | | _ t | � | _ t | � | _ | p� t | � j d d j d d � | j D� � | _ | d k r� | | _ n t j | � d S)Nz#group argument must be None for now�-�:c s s | ] } t | � Vq d S)N)�str)�.0�ir r r � <genexpr>S s z'BaseProcess.__init__.<locals>.<genexpr>)�AssertionError�next�_process_counterr � _identity�_config�copy�os�getpid� _parent_pidr �_target�tuple�_args�dict�_kwargs�type�__name__�join�_namer � _dangling�add)r �group�target�name�args�kwargsr �countr r r �__init__G s # zBaseProcess.__init__c C s& | j r" | j | j | j � n d S)zQ Method to be run in sub-process; can be overridden in sub-class N)r# r% r' )r r r r �runX s zBaseProcess.runc C s� | j d k s t d � � | j t j � k s< t d � � t j j d � s[ t d � � t � | j | � | _ | j j | _ t j | � d S)z% Start child process Nz cannot start a process twicez:can only start a process object created by current processr z3daemonic processes are not allowed to have children)r r r" r r! r r �getr r �sentinel� _sentinelr r- )r r r r �start_ s zBaseProcess.startc C s | j j � d S)zT Terminate process; sends SIGTERM signal or uses TerminateProcess() N)r � terminate)r r r r r: m s zBaseProcess.terminatec C sn | j t j � k s! t d � � | j d k s< t d � � | j j | � } | d k rj t j | � n d S)z5 Wait until child process terminates z can only join a child processNz can only join a started process)r" r r! r r �waitr r )r Ztimeout�resr r r r* s s ! zBaseProcess.joinc C sa | t k r d S| j t j � k s1 t d � � | j d k rD d S| j j � | j j d k S)z1 Return whether process is alive Tz can only test a child processNF)r r" r r! r r r � returncode)r r r r �is_alive} s ! zBaseProcess.is_alivec C s | j S)N)r+ )r r r r r0 � s zBaseProcess.namec C s( t | t � s t d � � | | _ d S)Nzname must be a string)� isinstancer r r+ )r r0 r r r r0 � s c C s | j j d d � S)z4 Return whether process is a daemon r F)r r6 )r r r r r � s zBaseProcess.daemonc C s, | j d k s t d � � | | j d <d S)z1 Set whether process is a daemon Nzprocess has already startedr )r r r )r Zdaemonicr r r r � s c C s | j d S)N�authkey)r )r r r r r@ � s zBaseProcess.authkeyc C s t | � | j d <d S)z2 Set authorization key of process r@ N)�AuthenticationStringr )r r@ r r r r@ � s c C s# | j d k r | j S| j j � S)zM Return exit code of process or `None` if it has yet to stop N)r r )r r r r �exitcode� s zBaseProcess.exitcodec C s- | t k r t j � S| j o( | j j Sd S)zU Return identifier (PID) of process or `None` if it has yet to start N)r r r! r �pid)r r r r �ident� s zBaseProcess.identc C s0 y | j SWn t k r+ t d � � Yn Xd S)z{ Return a file descriptor (Unix) or handle (Windows) suitable for waiting for process termination. zprocess not startedN)r8 �AttributeError� ValueError)r r r r r7 � s zBaseProcess.sentinelc C s� | t k r d } n] | j t j � k r3 d } n? | j d k rK d } n' | j j � d k rl | j } n d } t | � t k r� | d k r� d } q� d t j | | � } n d t | � j | j | | j r� d p� d f S) NZstarted�unknown�initialr Zstoppedz stopped[%s]z<%s(%s, %s%s)>z daemon� )r r" r r! r r rB r( �int�_exitcode_to_namer6 r) r+ r )r Zstatusr r r �__repr__� s zBaseProcess.__repr__c ( C s� d d l m } m } z�y� | j d k r> | j | j � n t j d � a t � a t j d k r� y# t j j � t t j � t _ Wq� t t f k r� Yq� Xn t } | a z | j j � | j � Wd ~ X| j d � z | j � d } Wd | j � XWn� t k r�} zd | j s+d } nM t | j d t � rQ| j d } n' t j j t | j d � d � d } WYd d } ~ Xn; d } d d l } t j j d | j! � | j" � Yn XWd | j d | � t j# j$ � t j j$ � X| S)N� )�util�contextz child process calling self.run()r � z Process %s: z process exiting with exitcode %d)%rI rN rO Z _start_methodZ_force_start_method� itertoolsr3 r �setr �sys�stdin�close�openr �devnull�OSErrorrF r Z_finalizer_registry�clearZ_run_after_forkers�infor5 Z_exit_function� SystemExitr1 r? rJ �stderr�writer � tracebackr0 � print_exc�stdout�flush)r rN rO Z old_processrB �er^ r r r � _bootstrap� sN ! zBaseProcess._bootstrap)r) � __module__� __qualname__�__doc__r r4 r5 r9 r: r* r> �propertyr0 �setterr r@ rB rD rC r7 rL rc r r r r r > s* c @ s e Z d Z d d � Z d S)rA c C sA d d l m } | � d k r. t d � � n t t | � f f S)NrM )�get_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)rO ri � TypeErrorrA �bytes)r ri r r r � __reduce__ s z AuthenticationString.__reduce__N)r) rd re rl r r r r rA s rA c @ s e Z d Z d d � Z d S)� _MainProcessc C sN f | _ d | _ d | _ d | _ i t t j d � � d 6d d 6| _ d S)NZ MainProcess� r@ z/mpZ semprefix)r r+ r" r rA r �urandomr )r r r r r4 * s z_MainProcess.__init__N)r) rd re r4 r r r r rm ( s rm rM � ZSIG�_) �__all__r rS �signalrQ � _weakrefsetr �path�abspath�getcwdZ ORIGINAL_DIRrX r r r �objectr rk rA rm r r3 r rR r rK r �__dict__�itemsr0 Zsignumr, r r r r �<module> s0 � ""
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