CasperSecurity
o
�b� � @ s� d dl Z d dlZd dlZd dlmZ d dlmZ d dlmZ de dee e
f fdd�Z e d krKe e ej
d
��\ZZe �ed e d � e �e� dS dS )
� N)�unpack)�Tuple)�recvmsg�socketfd�returnc C s@ t �| t jt j�}t|�\}}}|\\}}}td|�\}||fS )az
Receive a file descriptor from a L{sendmsg} message on the given C{AF_UNIX}
socket.
@param socketfd: An C{AF_UNIX} socket, attached to another process waiting
to send sockets via the ancillary data mechanism in L{send1msg}.
@param fd: C{int}
@return: a 2-tuple of (new file descriptor, description).
@rtype: 2-tuple of (C{int}, C{bytes})
�i)�socket�fromfd�AF_UNIX� SOCK_STREAMr r ) r � ourSocket�data� ancillary�flags� cmsgLevel�cmsgType�packedFD�
unpackedFD� r �>/usr/lib/python3/dist-packages/twisted/python/test/pullpipe.py�recvfd s
r �__main__� s Test fixture data: s .
)�osr �sys�structr �typingr �twisted.python.sendmsgr �int�bytesr �__name__�argv�fd� description�write�closer r r r �<module> s �