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process.cpython-39.opt-1.pyc
a �DOg�. � @ s2 g d �Z ddlZddlZddlZddlZddlZddlmZ zej� e� � �Z W n e yf dZ Y n0 dd� Z dd� Zdd � Zd d � ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�Zdae� ae�d�ae� a [i Z e ej � � �D ]0\Z!Z"e!dd� dkr�de!vr�de!� �e e" < q�e� Z#dS ))� BaseProcess�current_process�active_children�parent_process� N)�WeakSetc C s t S )z@ Return process object representing the current process )�_current_process� r r �//usr/lib64/python3.9/multiprocessing/process.pyr % s r c C s t � tt�S )zN Return list of process objects corresponding to live child processes )�_cleanup�list� _childrenr r r r r + s r c C s t S )z? Return process object representing the parent process )�_parent_processr r r r r 3 s r c C s* t t�D ] } | j�� d urt�| � qd S �N)r r �_popen�poll�discard)�pr r r r = s r c @ s� e Zd ZdZdd� Zddddi fdd�dd�Zd d � Zd d � Zd d� Zdd� Z dd� Z d,dd�Z dd� Z dd� Z edd� �Zejdd� �Zed d � �Zejd d � �Zed d � �Zejd!d � �Zed"d#� �Zed$d%� �ZeZed&d'� �Zd(d)� Zd-d*d+�ZdS ).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 r )�NotImplementedError��selfr r r �_PopenM s zBaseProcess._PopenNr )�daemonc C s� t t�}tj|f | _tj�� | _t�� | _tj | _ d | _ d| _ || _ t|�| _t|�| _|p�t| �jd d�dd� | jD �� | _|d ur�|| _t�| � d S )NF�-�:c s s | ]}t |�V qd S r )�str)�.0�ir r r � <genexpr>^ � z'BaseProcess.__init__.<locals>.<genexpr>)�next�_process_counterr � _identity�_config�copy�os�getpid� _parent_pid�name� _parent_namer �_closed�_target�tuple�_args�dict�_kwargs�type�__name__�join�_namer � _dangling�add)r �group�targetr' �args�kwargsr �countr r r �__init__P s �zBaseProcess.__init__c C s | j rtd��d S )Nzprocess object is closed)r) � ValueErrorr r r r � _check_closedc s zBaseProcess._check_closedc C s | j r| j | ji | j�� dS )zQ Method to be run in sub-process; can be overridden in sub-class N)r* r, r. r r r r �rung s zBaseProcess.runc C s> | � � t� | �| �| _| jj| _| `| `| `t � | � dS )z% Start child process N) r< r r r �sentinel� _sentinelr* r, r. r r4 r r r r �startn s zBaseProcess.startc C s | � � | j�� dS )zT Terminate process; sends SIGTERM signal or uses TerminateProcess() N)r< r � terminater r r r rA � s zBaseProcess.terminatec C s | � � | j�� dS )zT Terminate process; sends SIGKILL signal or uses TerminateProcess() N)r< r �killr r r r rB � s zBaseProcess.killc C s* | � � | j�|�}|dur&t�| � dS )z5 Wait until child process terminates N)r< r �waitr r )r �timeout�resr r r r1 � s zBaseProcess.joinc C sJ | � � | tu rdS | jdu r"dS | j�� }|du r8dS t�| � dS dS )z1 Return whether process is alive TNF)r< r r r r r )r � returncoder r r �is_alive� s zBaseProcess.is_alivec C sH | j dur>| j �� du r td��| j �� d| _ | `t�| � d| _dS )z� Close the Process object. This method releases resources held by the Process object. It is an error to call this method if the child process is still running. Nz^Cannot close a process while it is still running. You should first call join() or terminate().T)r r r; �closer? r r r) r r r r rH � s zBaseProcess.closec C s | j S r �r2 r r r r r' � s zBaseProcess.namec C s || _ d S r rI )r r' r r r r' � s c C s | j �dd�S )z4 Return whether process is a daemon r F)r" �getr r r r r � s zBaseProcess.daemonc C s || j d< dS )z1 Set whether process is a daemon r N�r" )r �daemonicr r r r � s c C s | j d S )N�authkeyrK r r r r rM � s zBaseProcess.authkeyc C s t |�| jd< dS )z2 Set authorization key of process rM N)�AuthenticationStringr" )r rM r r r rM � s c C s" | � � | jdu r| jS | j�� S )zM Return exit code of process or `None` if it has yet to stop N)r< r r r r r r �exitcode� s zBaseProcess.exitcodec C s* | � � | tu rt�� S | jo$| jjS dS )zU Return identifier (PID) of process or `None` if it has yet to start N)r< r r$ r% r �pidr r r r �ident� s zBaseProcess.identc C s2 | � � z| jW S ty, td�d�Y n0 dS )z{ Return a file descriptor (Unix) or handle (Windows) suitable for waiting for process termination. zprocess not startedN)r< r? �AttributeErrorr; r r r r r> � s zBaseProcess.sentinelc C s� d }| t u rd}nL| jr d}n@| jt�� kr2d}n,| jd u rBd}n | j�� }|d urZd}nd}t| �jd| j g}| jd ur�|� d| jj � |� d| j � |� |� |d ur�t � ||�}|� d | � | jr�|� d � d d �|� S ) N�started�closed�unknown�initial�stoppedzname=%rzpid=%sz parent=%sz exitcode=%sr z<%s>� )r r) r& r$ r% r r r/ r0 r2 �appendrP �_exitcode_to_namerJ r r1 )r rO �status�infor r r �__repr__ s0 zBaseProcess.__repr__c C s� ddl m}m} �z`z�| jd ur,|�| j� t�d�at� a |� � t }| a t | j | j|�atjrnt�� �� z|j�� |�� W ~n~0 |�d� z| �� d}W |�� n |�� 0 W n� t�y } zJ|jd u r�d}n.t |jt �r�|j}nt j � t!|j�d � d}W Y d }~n:d }~0 d}dd l"}t j � d| j# � |�$� Y n0 W t�%� |�d| � |�&� n t�%� |�d| � |�&� 0 |S )N� )�util�contextz child process calling self.run()r � z Process %s: z process exiting with exitcode %d)'� r_ r` � _start_method�_force_start_method� itertoolsr9 r �setr � _close_stdinr �_ParentProcessr( r& r � threading�_HAVE_THREAD_NATIVE_ID� main_thread�_set_native_id�_finalizer_registry�clear�_run_after_forkersr\ r= �_exit_function� SystemExit�code� isinstance�int�sys�stderr�writer � tracebackr' � print_exc� _shutdown�_flush_std_streams)r �parent_sentinelr_ r` � old_processrO �erx r r r � _bootstrap" sT � � zBaseProcess._bootstrap)N)N)r0 � __module__� __qualname__�__doc__r r: r< r= r@ rA rB r1 rG rH �propertyr' �setterr rM rO rQ rP r> r] r r r r r r G sD � r c @ s e Zd Zdd� ZdS )rN c C s, ddl m} |� d u r td��tt| �ffS )Nr^ )�get_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)r` r� � TypeErrorrN �bytes)r r� r r r � __reduce__X s �z AuthenticationString.__reduce__N)r0 r� r� r� r r r r rN W s rN c @ s6 e Zd Zdd� Zdd� Zedd� �Zd dd �ZeZdS ) rh c C s4 d| _ || _|| _d | _d | _d| _|| _i | _d S )Nr F)r! r2 �_pidr& r r) r? r" )r r' rP r> r r r r: h s z_ParentProcess.__init__c C s ddl m} || jgdd� S )Nr �rC �rD ��multiprocessing.connectionrC r? )r rC r r r rG r s z_ParentProcess.is_alivec C s | j S r )r� r r r r rQ v s z_ParentProcess.identNc C s ddl m} || jg|d� dS )z6 Wait until parent process terminates r r� r� Nr� )r rD rC r r r r1 z s z_ParentProcess.join)N) r0 r� r� r: rG r� rQ r1 rP r r r r rh f s rh c @ s e Zd Zdd� Zdd� ZdS )� _MainProcessc C s8 d| _ d| _d | _d | _d| _tt�d��dd�| _d S )Nr � MainProcessF� z/mp)rM � semprefix) r! r2 r& r r) rN r$ �urandomr" r r r r r: � s �z_MainProcess.__init__c C s d S r r r r r r rH � s z_MainProcess.closeN)r0 r� r� r: rH r r r r r� � s r� r^ � ZSIG�_r )$�__all__r$ ru �signalre ri � _weakrefsetr �path�abspath�getcwd� ORIGINAL_DIR�OSErrorr r r r �objectr r� rN rh r� r r r9 r rf r rZ r �__dict__�itemsr' �signumr3 r r r r �<module> s< !