Mercurial > hg
view hgext/inotify/linux/__init__.py @ 6239:39cfcef4f463
Add inotify extension
author | Bryan O'Sullivan <bos@serpentine.com> |
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date | Wed, 12 Mar 2008 15:30:11 -0700 |
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children | 553aa0cbeab6 |
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# __init__.py - low-level interfaces to the Linux inotify subsystem # Copyright 2006 Bryan O'Sullivan <bos@serpentine.com> # This library is free software; you can redistribute it and/or modify # it under the terms of version 2.1 of the GNU Lesser General Public # License, incorporated herein by reference. '''Low-level interface to the Linux inotify subsystem. The inotify subsystem provides an efficient mechanism for file status monitoring and change notification. This package provides the low-level inotify system call interface and associated constants and helper functions. For a higher-level interface that remains highly efficient, use the inotify.watcher package.''' __author__ = "Bryan O'Sullivan <bos@serpentine.com>" from _inotify import * procfs_path = '/proc/sys/fs/inotify' def _read_procfs_value(name): def read_value(): try: return int(open(procfs_path + '/' + name).read()) except OSError, err: return None read_value.__doc__ = '''Return the value of the %s setting from /proc. If inotify is not enabled on this system, return None.''' % name return read_value max_queued_events = _read_procfs_value('max_queued_events') max_user_instances = _read_procfs_value('max_user_instances') max_user_watches = _read_procfs_value('max_user_watches')