JezK
Edit File: thread.cpython-310.pyc
o ��|jC" � @ s� d Z dZddlmZ ddlZddlZddlZddlZddlZddl Z e� � Z da e� � Zdd� Ze�e� ee d�rEe jejejejd � G d d � d e�Zd d � ZG dd� dej�ZG dd� dej�Z dS )z Implements ThreadPoolExecutor.z"Brian Quinlan (brian@sweetapp.com)� )�_baseNFc C sf t � daW d � n1 sw Y tt�� �} | D ] \}}|�d � q | D ]\}}|�� q(d S �NT)�_global_shutdown_lock� _shutdown�list�_threads_queues�items�put�join)r �t�q� r �@/opt/alt/python310/lib64/python3.10/concurrent/futures/thread.py� _python_exit s � �r �register_at_fork)ZbeforeZafter_in_childZafter_in_parentc @ s& e Zd Zdd� Zdd� Zeej�ZdS )� _WorkItemc C s || _ || _|| _|| _d S �N)�future�fn�args�kwargs)�selfr r r r r r r �__init__/ s z_WorkItem.__init__c C sn | j �� sd S z | j| ji | j��}W n ty. } z| j �|� d } W Y d }~d S d }~ww | j �|� d S r )r Z set_running_or_notify_cancelr r r � BaseException� set_exceptionZ set_result)r �result�excr r r �run5 s ��z _WorkItem.runN) �__name__� __module__� __qualname__r r � classmethod�types� GenericAlias�__class_getitem__r r r r r . s r c C s� |d ur(z||� W n t y' tjjddd� | � }|d ur$|�� Y d S w z; |jdd�}|d urG|�� ~| � }|d urE|j�� ~q)| � }t sS|d u sS|j rb|d urZd|_ |� d � W d S ~q* t yu tjjddd� Y d S w )NzException in initializer:T)�exc_info)�blockzException in worker) r r ZLOGGERZcritical�_initializer_failed�getr �_idle_semaphore�releaser r )Zexecutor_referenceZ work_queue� initializer�initargsZexecutor� work_itemr r r �_workerE s@ � � �r. c @ s e Zd ZdZdS )�BrokenThreadPoolzR Raised when a worker thread in a ThreadPoolExecutor failed initializing. N)r r r �__doc__r r r r r/ p s r/ c @ sd e Zd Ze�� jZ ddd�Zdd� Ze j jj e_ dd � Z d d � Z dd d�dd�Ze j jj e_ dS )�ThreadPoolExecutorN� r c C s� |du rt dt�� p dd �}|dkrtd��|dur#t|�s#td��|| _t�� | _ t � d�| _ t � | _d| _d| _t �� | _|pGd | �� | _|| _|| _dS ) a� Initializes a new ThreadPoolExecutor instance. Args: max_workers: The maximum number of threads that can be used to execute the given calls. thread_name_prefix: An optional name prefix to give our threads. initializer: A callable used to initialize worker threads. initargs: A tuple of arguments to pass to the initializer. N� � � r z"max_workers must be greater than 0z initializer must be a callableFzThreadPoolExecutor-%d)�min�os� cpu_count� ValueError�callable� TypeError� _max_workers�queueZ SimpleQueue� _work_queue� threadingZ Semaphorer) �set�_threads�_brokenr �Lock�_shutdown_lock�_counter�_thread_name_prefix� _initializer� _initargs)r Z max_workersZthread_name_prefixr+ r, r r r r { s$ � zThreadPoolExecutor.__init__c O s� | j �N t�; | jrt| j��| jrtd��tr td��t�� }t||||�}| j � |� | � � |W d � W d � S 1 sDw Y W d � d S 1 sTw Y d S )Nz*cannot schedule new futures after shutdownz6cannot schedule new futures after interpreter shutdown) rD r rB r/ r � RuntimeErrorr ZFuturer r> r �_adjust_thread_count)r r r r �f�wr r r �submit� s R�zThreadPoolExecutor.submitc C s� | j jdd�r d S | jfdd�}t| j�}|| jk rGd| jp | |f }tj|t t � | |�| j| j | j fd�}|�� | j�|� | jt|< d S d S )Nr )Ztimeoutc S s |� d � d S r )r )�_r r r r � weakref_cb� s z;ThreadPoolExecutor._adjust_thread_count.<locals>.weakref_cbz%s_%d)�name�targetr )r) �acquirer> �lenrA r< rF r? ZThreadr. �weakref�refrG rH �start�addr )r rO Z num_threadsZ thread_namer r r r rJ � s& � �� �z'ThreadPoolExecutor._adjust_thread_countc C st | j �- d| _ z| j�� }W n tjy Y nw |d ur'|j�t| j�� qW d � d S 1 s3w Y d S )NzBA thread initializer failed, the thread pool is not usable anymore) rD rB r> � get_nowaitr= �Emptyr r r/ )r r- r r r r' � s ��"�z&ThreadPoolExecutor._initializer_failedTF)�cancel_futuresc C s� | j �0 d| _|r& z| j�� }W n tjy Y n w |d ur%|j�� q | j�d � W d � n1 s6w Y |rG| j D ]}|� � q@d S d S r ) rD r r> rX r= rY r Zcancelr rA r )r �waitrZ r- r r r r �shutdown� s& � � � �zThreadPoolExecutor.shutdown)Nr2 Nr )T)r r r � itertools�count�__next__rE r rM r �Executorr0 rJ r' r\ r r r r r1 v s �& r1 ) r0 � __author__Zconcurrent.futuresr r] r= r? r" rT r7 �WeakKeyDictionaryr r rC r r Z_register_atexit�hasattrr rR �_at_fork_reinitr* �objectr r. ZBrokenExecutorr/ r` r1 r r r r �<module> s. �+