˲j0ddlZddlZGddZdS)Nc,eZdZdZddZdZdZdZdS) FileBatonz0A primitive, file-based synchronization utility.皙?c0||_||_d|_dS)z Create a new :class:`FileBaton`. Args: lock_file_path: The path to the file used for locking. wait_seconds: The seconds to periodically sleep (spin) when calling ``wait()``. N)lock_file_path wait_secondsfd)selfrrs GC:\Projects\Historical\venv\Lib\site-packages\torch/utils/file_baton.py__init__zFileBaton.__init__ s-(c tj|jtjtjz|_dS#t $rYdSwxYw)z Try to atomically create a file under exclusive access. Returns: True if the file could be created, else False. TF)osopenrO_CREATO_EXCLr FileExistsErrorr s r try_acquirezFileBaton.try_acquiresM gd12: 3IJJDG4   55 s6: AActj|jr?t j|jtj|j=dSdS)z Periodically sleeps for a certain amount until the baton is released. The amount of time slept depends on the ``wait_seconds`` parameter passed to the constructor. N)rpathexistsrtimesleeprrs r waitzFileBaton.wait#s_gnnT011 * Jt( ) ) )gnnT011 * * * * *r cx|jtj|jtj|jdS)z'Release the baton and removes its file.N)r rcloseremoverrs r releasezFileBaton.release-s5 7  HTW    $%&&&&&r N)r)__name__ __module__ __qualname____doc__r rrrr r rrs[::       ***'''''r r)rrrr$r r r%sI ,',',',',',',',',','r