U Mh@s"ddlZddlZGdddZdS)Nc@s2eZdZdZd ddZddZddZd d Zd S) FileBatonz0A primitive, file-based synchronization utility.皙?cCs||_||_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)selfrrrH/var/www/html/venv/lib/python3.8/site-packages/torch/utils/file_baton.py__init__ s zFileBaton.__init__cCs:zt|jtjtjB|_WdStk r4YdSXdS)z Try to atomically create a file under exclusive access. Returns: True if the file could be created, else False. TFN)osopenrO_CREATO_EXCLrFileExistsErrorrrrr try_acquires zFileBaton.try_acquirecCs tj|jrt|jqdS)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)r pathexistsrtimesleeprrrrr wait#szFileBaton.waitcCs&|jdk rt|jt|jdS)z'Release the baton and removes its file.N)rr closeremoverrrrr release-s  zFileBaton.releaseN)r)__name__ __module__ __qualname____doc__r rrrrrrr rs    r)r rrrrrr s