1 files changed, 48 insertions, 0 deletions
diff --git a/src/engine/SCons/exitfuncs.py b/src/engine/SCons/exitfuncs.py
new file mode 100644
index 0000000..86d1990
--- /dev/null
+++ b/src/engine/SCons/exitfuncs.py
@@ -0,0 +1,48 @@
+"""SCons.exitfuncs
+
+Register functions which are executed when SCons exits for any reason.
+
+"""
+
+__revision__ = "exitfuncs.py __REVISION__ __DATE__ __DEVELOPER__"
+
+
+
+_exithandlers = []
+def _run_exitfuncs():
+    """run any registered exit functions
+
+    _exithandlers is traversed in reverse order so functions are executed
+    last in, first out.
+    """
+
+    while _exithandlers:
+        func, targs, kargs =  _exithandlers.pop()
+        apply(func, targs, kargs)
+
+def register(func, *targs, **kargs):
+    """register a function to be executed upon normal program termination
+
+    func - function to be called at exit
+    targs - optional arguments to pass to func
+    kargs - optional keyword arguments to pass to func
+    """
+    _exithandlers.append((func, targs, kargs))
+
+import sys
+
+try:
+    x = sys.exitfunc
+
+    # if x isn't our own exit func executive, assume it's another
+    # registered exit function - append it to our list...
+    if x != _run_exitfuncs:
+        register(x)
+
+except AttributeError:
+    pass
+
+# make our exit function get run by python when it exits:    
+sys.exitfunc = _run_exitfuncs
+
+del sys