.. _glossary: Glossary ======== .. glossary:: :sorted: daemontools A `process control system by D.J. Bernstein <http://cr.yp.to/daemontools.html>`_. runit A `process control system <http://smarden.org/runit/>`_. launchd A `process control system used by Apple <http://en.wikipedia.org/wiki/Launchd>`_ as process 1 under Mac OS X. umask Abbreviation of *user mask*: sets the file mode creation mask of the current process. See `http://en.wikipedia.org/wiki/Umask <http://en.wikipedia.org/wiki/Umask>`_. Superlance A package which provides various event listener implementations that plug into Supervisor which can help monitor process memory usage and crash status: `https://pypi.org/pypi/superlance/ <https://pypi.org/pypi/superlance/>`_.