zxing/cpp/scons/scons-local-2.0.0.final.0/SCons/exitfuncs.py
smparkes@smparkes.net dd1336d0cf Tweak svn/git ignores
Add OS X libzxing.a project
Include a copy of scons-local for cpp


git-svn-id: https://zxing.googlecode.com/svn/trunk@1549 59b500cc-1b3d-0410-9834-0bbf25fbcc57
2010-08-20 00:41:26 +00:00

78 lines
2.3 KiB
Python

"""SCons.exitfuncs
Register functions which are executed when SCons exits for any reason.
"""
#
# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "src/engine/SCons/exitfuncs.py 5023 2010/06/14 22:05:46 scons"
_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()
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
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: