1# MIT License
2#
3# Copyright The SCons Foundation
4#
5# Permission is hereby granted, free of charge, to any person obtaining
6# a copy of this software and associated documentation files (the
7# "Software"), to deal in the Software without restriction, including
8# without limitation the rights to use, copy, modify, merge, publish,
9# distribute, sublicense, and/or sell copies of the Software, and to
10# permit persons to whom the Software is furnished to do so, subject to
11# the following conditions:
12#
13# The above copyright notice and this permission notice shall be included
14# in all copies or substantial portions of the Software.
15#
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
17# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
18# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
24"""Register functions which are executed when SCons exits for any reason."""
25
26# This is obsolete now
27
28import atexit
29
30_exithandlers = []
31def _run_exitfuncs():
32    """run any registered exit functions
33
34    _exithandlers is traversed in reverse order so functions are executed
35    last in, first out.
36    """
37
38    while _exithandlers:
39        func, targs, kargs =  _exithandlers.pop()
40        func(*targs, **kargs)
41
42def register(func, *targs, **kargs):
43    """register a function to be executed upon normal program termination
44
45    func - function to be called at exit
46    targs - optional arguments to pass to func
47    kargs - optional keyword arguments to pass to func
48    """
49    _exithandlers.append((func, targs, kargs))
50
51
52# make our exit function get run by python when it exits
53atexit.register(_run_exitfuncs)
54
55# Local Variables:
56# tab-width:4
57# indent-tabs-mode:nil
58# End:
59# vim: set expandtab tabstop=4 shiftwidth=4:
60