WinSignalHandler.py 文件源码

def registerHandler(self, signum, handler):
        """Register a handler function that will be called when the process
           recieves the signal signum. The signum argument must be a signal
           constant such as SIGTERM. The handler argument must be a function
           or method that takes no arguments."""
        items = self.registry.get(signum)
        if items is None:
            items = self.registry[signum] = []
            # Create an event for this signal.
            event_name = event_name_prefix + str(signum)
            sa = createEventSecurityObject()
            hevent = win32event.CreateEvent(sa, 0, 0, event_name)
            self.event_handles[signum] = hevent
            # Let the worker thread know there is a new handle.
            win32event.SetEvent(self.admin_event_handle)
            signame = get_signal_name(signum)
            logger.debug(
                "Installed sighandler for %s (%s)" % (signame, event_name))
        items.insert(0, handler)