Current File : //usr/lib64/python3.6/concurrent/futures/__pycache__/thread.cpython-36.pyc
3
\� � @ s� d Z dZddlZddlmZ ddlZddlZddlZddlZddl Z ej
� Z da dd� Z
eje
� G dd � d e�Zd
d � ZG d d
� d
ej�ZdS )z Implements ThreadPoolExecutor.z"Brian Quinlan (brian@sweetapp.com)� N)�_baseFc C sJ da ttj� �} x| D ]\}}|jd � qW x| D ]\}}|j� q2W d S )NT)� _shutdown�list�_threads_queues�items�put�join)r �t�q� r �1/usr/lib64/python3.6/concurrent/futures/thread.py� _python_exit! s r
c @ s e Zd Zdd� Zdd� 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 sf | j j� sd S y| j| j| j�}W n2 tk
rT } z| j j|� d } W Y d d }~X nX | j j|� d S )N)r Z set_running_or_notify_cancelr r r �
BaseExceptionZ
set_exceptionZ
set_result)r �result�excr r r �run3 s
z
_WorkItem.runN)�__name__�
__module__� __qualname__r r r r r r r , s r c C s| yRxL|j dd�}|d k r$|j� ~q| � }ts<|d ks<|jrJ|jd � d S ~qW W n$ tk
rv tjjddd� Y nX d S )NT)�blockzException in worker)�exc_info)�getr r r r r ZLOGGERZcritical)Zexecutor_referenceZ
work_queueZ work_itemZexecutorr r r �_worker@ s
r c @ sR e Zd Zej� jZd dd�Zdd� Ze j
jj e_ dd� Z d
d
d �Z
e j
j
j e
_ dS )�ThreadPoolExecutorN� c C sf |dkrt j� pdd }|dkr(td��|| _tj� | _t� | _d| _ t
j � | _ |p^d| j
� | _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.
N� � r z"max_workers must be greater than 0FzThreadPoolExecutor-%d)�os� cpu_count�
ValueError� _max_workers�queueZQueue� _work_queue�set�_threadsr � threadingZLock�_shutdown_lock�_counter�_thread_name_prefix)r Z max_workersZthread_name_prefixr r r r [ s
zThreadPoolExecutor.__init__c O sN | j �> | jrtd��tj� }t||||�}| jj|� | j� |S Q R X d S )Nz*cannot schedule new futures after shutdown) r- r � RuntimeErrorr ZFuturer r) r �_adjust_thread_count)r r r r �f�wr r r �submitr s zThreadPoolExecutor.submitc C sz | j fdd�}t| j�}|| jk rvd| jp,| |f }tj|ttj | |�| j fd�}d|_
|j � | jj |� | j t
|< d S )Nc S s |j d � d S )N)r )�_r
r r r �
weakref_cb� s z;ThreadPoolExecutor._adjust_thread_count.<locals>.weakref_cbz%s_%d)�name�targetr T)r) �lenr+ r' r/ r, ZThreadr �weakref�refZdaemon�start�addr )r r6 Z num_threadsZ thread_namer r r r r1 s
z'ThreadPoolExecutor._adjust_thread_countTc C sD | j � d| _| jjd � W d Q R X |r@x| jD ] }|j� q0W d S )NT)r- r r) r r+ r )r �waitr r r r �shutdown� s zThreadPoolExecutor.shutdown)Nr! )T)r r r � itertools�count�__next__r. r r4 r �Executor�__doc__r1 r? r r r r r V s
r )rD �
__author__�atexitZconcurrent.futuresr r@ r( r, r: r$ �WeakKeyDictionaryr r r
�register�objectr r rC r r r r r �<module> s
Mini Shell