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�~�e����dZddlZddlZd�Zy)z�A utility module which has FD-related functions.

This module mostly exists for L{clean_fds}, so it can be imported without
accidentally getting a reactor or something else that might create a critical
file descriptor.
�Nc���tjtj�d}td|�}t	d|�D]}	tj|��y#t$rY�'wxYw)z�Close all non-stdio file descriptors.

    This should be called at the beginning of a program to avoid inheriting any
    unwanted file descriptors from the invoking process.  Unfortunately, this
    is really common in unix!
    �i�N)�resource�	getrlimit�
RLIMIT_NOFILE�min�range�os�close�OSError)�
rlimit_nofile�total_descriptors�fds   �2/usr/lib/python3/dist-packages/landscape/lib/fd.py�	clean_fdsrsg���&�&�x�'=�'=�>�q�A�M��D�-�0���A�(�)���	��H�H�R�L����	��	�s�A�	A'�&A')�__doc__rrr��r�<module>rs���
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