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+\section{\module{atexit} ---
+         exit handlers}
+
+\declaremodule{standard}{atexit}
+\moduleauthor{Skip Montanaro}{skip@mojam.com}
+\sectionauthor{Skip Montanaro}{skip@mojam.com}
+\modulesynopsis{Register and execute cleanup functions.}
+
+The \module{atexit} module defines a single function to register
+cleanup functions.  Functions thus registered are automatically
+executed upon normal interpreter termination.
+
+Note: the functions registered via this module are not called when the program is killed by a
+signal, when a Python fatal internal error is detected, or when
+\code{os._exit()} is called.
+
+This is an alternate interface to the functionality provided by the
+\code{sys.exitfunc} variable.
+\withsubitem{(in sys)}{\ttindex{exitfunc}}
+
+\begin{funcdesc}{register}{func\optional{, *args\optional{, **kargs}}}
+Register \var{func} as a function to be executed at termination.  Any
+optional arguments that are to be passed to \var{func} must be passed
+as arguments to \function{register()}.
+
+At normal program termination (for instance, if
+\function{sys.exit()} is called or the main module's execution
+completes), all functions registered are called in last in, first out
+order.  The assumption is that lower level modules will normally be
+imported before higher level modules and thus must be cleaned up
+later.
+\end{funcdesc}
+
+
+\subsection{\module{atexit} Example \label{atexit-example}}
+
+The following simple example demonstrates how a module can initialize
+a counter from a file when it is imported and save the counter's
+updated value automatically when the program terminates without
+relying on the application making an explicit call into this module at
+termination.
+
+\begin{verbatim}
+try:
+    _count = int(open("/tmp/counter").read())
+except IOError:
+    _count = 0
+
+def incrcounter(n):
+    global _count
+    _count = _count + n
+
+def savecounter():
+    open("/tmp/counter", "w").write("%d" % _count)
+
+import atexit
+atexit.register(savecounter)
+\end{verbatim}
+