Your IP : 3.128.94.112
3
� f� � @ s� d Z ddlZejdkred��ddlZddlZddlZddlZddlZddl Z ddl
Z
ddlZddddd gZd
Z
e jZe jZej� Zeed�r�ejZnejejdfdd�Zdde
d�dd�ZG dd � d �ZG dd� de j�ZdS )z*
Various Windows specific bits and pieces
� NZwin32z
win32 only�
socketpair�pipe�Popen�PIPE�
PipeHandlei c
C s | t jkrd}n| t jkr d}ntd��|t jkr:td��|dkrJtd��t j | ||�}z�|j|df� |jd� |j� dd � \}}t j | ||�}yP|jd
� y|j ||f� W n t
tfk
r� Y nX |jd� |j� \}} W n |j
� � Y nX W d|j
� X ||fS )z�A socket pair usable as a self-pipe, for Windows.
Origin: https://gist.github.com/4325783, by Geert Jansen.
Public domain.
z 127.0.0.1z::1z?Only AF_INET and AF_INET6 socket address families are supportedz)Only SOCK_STREAM socket type is supportedr zOnly protocol zero is supported� N� FT)�socket�AF_INETZAF_INET6�
ValueError�SOCK_STREAMZbindZlistenZgetsocknameZsetblockingZconnect�BlockingIOError�InterruptedErrorZaccept�close)
Zfamily�type�proto�hostZlsockZaddrZportZcsockZssock�_� r �:/opt/alt/python36/lib64/python3.6/asyncio/windows_utils.pyr % s8
FT)�duplex�
overlapped�bufsizec C s" t jdtj� tt�f d�}| r>tj}tjtj B }|| }}ntj
}tj }d| }}|tjO }|d rp|tjO }|d r�tj}nd}d } }
yZtj
||tjd||tjtj�} tj||dtjtj|tj�}
tj| dd�}|jd� | |
fS | dk �rtj| � |
dk �rtj|
� � Y nX dS )zELike os.pipe() but with overlapped support and using handles not fds.z\\.\pipe\python-pipe-%d-%d-)�prefixr r NT)r )�tempfileZmktemp�os�getpid�next�
_mmap_counter�_winapiZPIPE_ACCESS_DUPLEXZGENERIC_READZ
GENERIC_WRITEZPIPE_ACCESS_INBOUNDZFILE_FLAG_FIRST_PIPE_INSTANCEZFILE_FLAG_OVERLAPPEDZCreateNamedPipeZ PIPE_WAITZNMPWAIT_WAIT_FOREVERZNULLZ
CreateFileZ
OPEN_EXISTINGZConnectNamedPipeZGetOverlappedResult�CloseHandle)r r r ZaddressZopenmode�accessZobsizeZibsizeZflags_and_attribsZh1Zh2Zovr r r r S s@
c @ s\ e Zd ZdZdd� Zdd� Zedd� �Zdd � Ze j
d
�dd�Zd
d� Zdd� Z
dd� ZdS )r z�Wrapper for an overlapped pipe handle which is vaguely file-object like.
The IOCP event loop can use these instead of socket objects.
c C s
|| _ d S )N)�_handle)�self�handler r r �__init__� s zPipeHandle.__init__c C s* | j d k rd| j }nd}d| jj|f S )Nz handle=%r�closedz<%s %s>)r"