Your IP : 3.23.101.75
��Yf� � @ s� d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d d d g Z Gd d � d e
� Z e � Z e j
Z
e j Z e j Z e j Z d
d � Z d S) � N� )�spawn)�util�ensure_running�register�
unregisterc @ sX e Z d Z d d � Z d d � Z d d � Z d d � Z d d
� Z d d � Z d
S)�SemaphoreTrackerc C s t j � | _ d | _ d S)N)� threadingZLock�_lock�_fd)�self� r
�F/opt/alt/python35/lib64/python3.5/multiprocessing/semaphore_tracker.py�__init__ s zSemaphoreTracker.__init__c C s | j � | j S)N)r r )r r
r
r �getfd! s
zSemaphoreTracker.getfdc C s | j �� | j d k r d Sg } y | j t j j � � Wn t k
rQ Yn Xd } t j � \ } } z yW | j | � t j
� } | g t j � } | d | | g 7} t j
| | | � Wn t j | � � Yn
X| | _ Wd t j | � XWd QRXd S)z�Make sure that semaphore tracker process is running.
This can be run from any process. Usually a child process will use
the semaphore created by its parent.Nz;from multiprocessing.semaphore_tracker import main;main(%d)z-c)r
r �append�sys�stderr�fileno� Exception�os�piper Zget_executabler Z _args_from_interpreter_flagsZspawnv_passfds�close)r Z fds_to_pass�cmd�r�wZexe�argsr
r
r r % s*
z SemaphoreTracker.ensure_runningc C s | j d | � d S)z2Register name of semaphore with semaphore tracker.ZREGISTERN)�_send)r �namer
r
r r C s zSemaphoreTracker.registerc C s | j d | � d S)z4Unregister name of semaphore with semaphore tracker.Z
UNREGISTERN)r )r r r
r
r r G s zSemaphoreTracker.unregisterc C st | j � d j | | � j d � } t | � d k rC t d � � t j | j | � } | t | � k sp t � d S)Nz{0}:{1}
�asciii z
name too long) r �format�encode�len�
ValueErrorr �writer �AssertionError)r r r �msg�nbytesr
r
r r K s
zSemaphoreTracker._sendN) �__name__�
__module__� __qualname__r r r r r r r
r
r
r r s r c - C s� t j t j t j � t j t j t j � x= t j t j f D]) } y | j � Wq? t k
rg Yq? Xq? Wt � } z� t
| d � �� } x� | D]� } yg | j � j d � \ } } | d k r� | j
| � n, | d k r� | j | � n t d | � � Wq� t k
r4y t j t j � � Wn Yn XYq� Xq� WWd QRXWd | rzy t j d t | � � Wn t k
ryYn Xxu | D]m } zc | j d � } y t j | � Wn< t k
r�} z t j d | | f � WYd d } ~ Xn XWd Xq�WXd S)
zRun semaphore tracker.�rb� :s REGISTERs
UNREGISTERzunrecognized command %rNzRsemaphore_tracker: There appear to be %d leaked semaphores to clean up at shutdownr zsemaphore_tracker: %r: %s)�signal�SIGINT�SIG_IGN�SIGTERMr �stdin�stdoutr r �set�open�strip�split�add�remove� RuntimeError�
excepthook�exc_info�warnings�warnr" �decode�_multiprocessingZ
sem_unlink)�fd�f�cache�liner r �er
r
r �main] sJ
.rE )r r- r r r< r? � r r �__all__�objectr Z_semaphore_trackerr r r r rE r
r
r
r �<module> s ;