# Scripts/signal-demo

- `Download example`

…

## signal-demo.py

    #!/usr/bin/python

    import os
    import signal

    from PyObjCTools import Signals

    Signals.dumpStackOnFatalSignal()

    # all this does is set up an interesting stack to
    # to show that a backtrace really is being
    # generated.  Try commenting out the
    # Signals.dumpStackOnFatalSignal() line above and run
    # the script again.

    def badness():
        os.kill(os.getpid(), signal.SIGQUIT)

    class Foo:
        def baz(self):
            badness()

        def bar(self):
            self.baz()

    Foo().bar()