File: //lib64/python3.9/multiprocessing/__pycache__/resource_sharer.cpython-39.opt-2.pyc
a
�DOg � @ s� d dl Z d dlZd dlZd dlZd dlZddlmZ ddlmZ ddlm Z dgZ
ej dkrxe
dg7 Z
G d d� de �Z
ne
d
g7 Z
G d d
� d
e �ZG d d
� d
e �Ze� ZejZdS )� N� )�process)� reduction)�util�stop�win32� DupSocketc @ s e Zd Zdd� Zdd� ZdS )r c s( |� � � � fdd�}t�|� j�| _d S )Nc s � � |�}| �|� d S �N)�share�
send_bytes)�conn�pidr
�Znew_sock� �7/usr/lib64/python3.9/multiprocessing/resource_sharer.py�send s
z DupSocket.__init__.<locals>.send)�dup�_resource_sharer�register�close�_id)�self�sockr r r r �__init__ s zDupSocket.__init__c C sB t �| j��"}|�� }t�|�W d � S 1 s40 Y d S r )r �get_connectionr �
recv_bytes�socketZ fromshare)r r r
r r r �detach$ s zDupSocket.detachN��__name__�
__module__� __qualname__r r r r r r r s �DupFdc @ s e Zd Zdd� Zdd� ZdS )r" c s4 t �|�� � fdd�}� fdd�}t�||�| _d S )Nc s t �| � |� d S r )r � send_handle)r r
�Znew_fdr r r 1 s z DupFd.__init__.<locals>.sendc s t �� � d S r )�osr r r$ r r r 3 s z DupFd.__init__.<locals>.close)r% r r r r )r �fdr r r r$ r r / s
zDupFd.__init__c C s: t �| j��}t�|�W d � S 1 s,0 Y d S r )r r r r � recv_handle)r r r r r r 7 s z DupFd.detachNr r r r r r" - s c @ sJ e Zd Zdd� Zdd� Zedd� �Zddd �Zd
d � Zd d
� Z dd� Z
dS )�_ResourceSharerc C s: d| _ i | _t�� | _d | _d | _d | _t� | t
j � d S )Nr ) �_key�_cache� threading�Lock�_lock� _listener�_address�_threadr �register_after_forkr( �
_afterfork)r r r r r ? s
z_ResourceSharer.__init__c C sf | j �L | jd u r| �� | jd7 _||f| j| j< | j| jfW d � S 1 sX0 Y d S )Nr )r- r/ �_startr) r* )r r r r r r r H s
z_ResourceSharer.registerc C s< ddl m} | \}}||t�� jd�}|�|t�� f� |S )Nr ��Client��authkey)�
connectionr5 r �current_processr7 r r% �getpid)�identr5 �address�key�cr r r r Q s
z _ResourceSharer.get_connectionNc C s� ddl m} | j�� | jd ur�|| jt�� jd�}|�d � |�� | j �
|� | j � � rdt �
d� | j�� d | _ d | _d | _| j�� D ]\}\}}|� q�| j�� W d � n1 s�0 Y d S )Nr r4 r6 z._ResourceSharer thread did not stop when asked)r8 r5 r- r/ r r9 r7 r r r0 �join�is_aliver � sub_warningr. r* �items�clear)r �timeoutr5 r> r= r r r r r r Z s$
�
z_ResourceSharer.stopc C s\ | j �� D ]\}\}}|� q
| j �� | j�� | jd urF| j�� d | _d | _d | _d S r ) r* rB rC r- �_at_fork_reinitr. r r/ r0 )r r= r r r r r r2 o s
z_ResourceSharer._afterforkc C sX ddl m} t�d� |t�� jd�| _| jj| _ t
j | j d�}d|_
|�� || _d S )Nr )�Listenerz0starting listener and thread for sending handlesr6 )�targetT)r8 rF r �debugr r9 r7 r. r< r/ r+ �Thread�_serve�daemon�startr0 )r rF �tr r r r3 z s
z_ResourceSharer._startc C s� t td�r t�tjt�� � z�| j�� �f}|�� }|d u rJW d � W q�|\}}| j� |�\}}z|||� W |� n|� 0 W d � n1 s�0 Y W q t
� � s�t j
t �� � Y q 0 q d S )N�pthread_sigmask)�hasattr�signalrN � SIG_BLOCK�
valid_signalsr. �accept�recvr* �popr �
is_exiting�sys�
excepthook�exc_info)r r �msgr= �destination_pidr r r r r rJ � s
2z_ResourceSharer._serve)N) r r r! r r � staticmethodr r r2 r3 rJ r r r r r( = s
r( )r% rP r rW r+ � r �contextr r �__all__�platform�objectr r" r( r r r r r r �<module> s
\