관리-도구
편집 파일: resource_tracker.cpython-38.opt-2.pyc
U e5d�! � @ s� d dl Z d dlZd dlZd dlZd dlZddlmZ ddlmZ dddgZe ed�Z ej ej fZ d d d � iZe jd kr�d dlZd dlZe�ejejd �� G dd� de�Ze� ZejZejZejZejZdd� Z dS )� N� )�spawn)�util�ensure_running�register� unregister�pthread_sigmaskZnoopc C s d S �N� r r r �8/usr/lib64/python3.8/multiprocessing/resource_tracker.py�<lambda>! � r �posix)Z semaphoreZ shared_memoryc @ sL e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )�ResourceTrackerc C s t �� | _d | _d | _d S r )� threadingZLock�_lock�_fd�_pid��selfr r r �__init__0 s zResourceTracker.__init__c C sT | j �D | jd kr W 5 Q R � d S t�| j� d | _t�| jd� d | _W 5 Q R X d S )Nr )r r �os�close�waitpidr r r r r �_stop5 s zResourceTracker._stopc C s | � � | jS r )r r r r r r �getfdB s zResourceTracker.getfdc C st | j ��b | jd k r~| �� r*W 5 Q R � d S t�| j� z | jd k rPt�| jd� W n tk rf Y nX d | _d | _t� d� g }z|� t j � � � W n tk r� Y nX d}t�� \}}z�zr|� |� t�� }|gt�� }|d|| g7 }z&t�rt�tjt� t�|||�}W 5 t�r,t�tjt� X W n t�|� � Y nX || _|| _W 5 t�|� X W 5 Q R X d S )Nr zUresource_tracker: process died unexpectedly, relaunching. Some resources might leak.z:from multiprocessing.resource_tracker import main;main(%d)z-c)r r � _check_aliver r r r �ChildProcessError�warnings�warn�append�sys�stderr�fileno� Exception�piper Zget_executabler Z _args_from_interpreter_flags� _HAVE_SIGMASK�signalr � SIG_UNBLOCK�_IGNORED_SIGNALS� SIG_BLOCKZspawnv_passfds)r Z fds_to_pass�cmd�r�wZexe�args�pidr r r r F sJ z ResourceTracker.ensure_runningc C s2 zt �| jd� W n tk r( Y dS X dS d S )Ns PROBE:0:noop FT)r �writer �OSErrorr r r r r � s z ResourceTracker._check_alivec C s | � d||� d S )N�REGISTER��_send�r �name�rtyper r r r � s zResourceTracker.registerc C s | � d||� d S )N� UNREGISTERr3 r5 r r r r � s zResourceTracker.unregisterc C sB | � � d�|||��d�}t|�dkr0td��t�| j|�}d S )Nz {0}:{1}:{2} �asciii z name too long)r �format�encode�len� ValueErrorr r0 r )r r+ r6 r7 �msg�nbytesr r r r4 � s zResourceTracker._sendN) �__name__� __module__� __qualname__r r r r r r r r4 r r r r r . s @ r c C s t � t jt j� t � t jt j� tr2t �t jt� tj tj fD ]&}z |� � W q> t k rb Y q>X q>dd� t �� D �}z�t| d���}|D ]�}z�|�� �d��d�\}}}t �|d �} | d kr�td|� d |� ���|d kr�|| �|� n2|d k�r|| �|� n|d k�rn td | ��W q� t k �rT ztj t� � � W n Y nX Y q�X q�W 5 Q R X W 5 |�� D ]�\}}|�r�zt�dt|�|f � W n t k �r� Y nX |D ]V}zLzt | |� W n6 t k �r� } zt�d||f � W 5 d }~X Y nX W 5 X �q��qnX d S )Nc S s i | ] }|t � �qS r )�set)�.0r7 r r r � <dictcomp>� s zmain.<locals>.<dictcomp>zQresource_tracker: There appear to be %d leaked %s objects to clean up at shutdownzresource_tracker: %r: %s�rbr9 �:zCannot register z. for automatic cleanup: unknown resource type r2 r8 ZPROBEzunrecognized command %r) r' �SIGINT�SIG_IGN�SIGTERMr& r r( r) r! �stdin�stdoutr r$ �_CLEANUP_FUNCS�keys�itemsr r r< �open�strip�decode�split�getr= �add�remove� RuntimeError� excepthook�exc_info) �fd�f�cacher7 Z rtype_cacher6 �e�liner+ Z cleanup_funcr r r �main� s^ � � (r_ ) r r' r! r r � r r �__all__�hasattrr& rH rJ r) rM r6 Z_multiprocessingZ _posixshmem�updateZ sem_unlinkZ shm_unlink�objectr Z_resource_trackerr r r r r_ r r r r �<module> s4 � �w