Python win32con 模块，CTRL_C_EVENT 实例源码

def handle(self, event):
        """Handle console control events (like Ctrl-C)."""
        if event in (win32con.CTRL_C_EVENT, win32con.CTRL_LOGOFF_EVENT,
                     win32con.CTRL_BREAK_EVENT, win32con.CTRL_SHUTDOWN_EVENT,
                     win32con.CTRL_CLOSE_EVENT):
            self.bus.log('Console event %s: shutting down bus' % event)

            # Remove self immediately so repeated Ctrl-C doesn't re-call it.
            try:
                self.stop()
            except ValueError:
                pass

            self.bus.exit()
            # 'First to return True stops the calls'
            return 1
        return 0

def handle(self, event):
        """Handle console control events (like Ctrl-C)."""
        if event in (win32con.CTRL_C_EVENT, win32con.CTRL_LOGOFF_EVENT,
                     win32con.CTRL_BREAK_EVENT, win32con.CTRL_SHUTDOWN_EVENT,
                     win32con.CTRL_CLOSE_EVENT):
            self.bus.log('Console event %s: shutting down bus' % event)

            # Remove self immediately so repeated Ctrl-C doesn't re-call it.
            try:
                self.stop()
            except ValueError:
                pass

            self.bus.exit()
            # 'First to return True stops the calls'
            return 1
        return 0

def _DebugCtrlHandler(evt):
    if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
        assert g_debugService
        print "Stopping debug service."
        g_debugService.SvcStop()
        return True
    return False

def _DebugCtrlHandler(evt):
    if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
        assert g_debugService
        print "Stopping debug service."
        g_debugService.SvcStop()
        return True
    return False

def _DebugCtrlHandler(evt):
    if evt in (win32con.CTRL_C_EVENT, win32con.CTRL_BREAK_EVENT):
        assert g_debugService
        print("Stopping debug service.")
        g_debugService.SvcStop()
        return True
    return False

def consoleCtrlHandler(self, ctrlType):
        """Called by Windows on a new thread whenever a console control
           event is raised."""
        logger.debug("Windows control event %d" % ctrlType)
        sig = None
        if ctrlType == win32con.CTRL_C_EVENT:
            # user pressed Ctrl+C or someone did GenerateConsoleCtrlEvent
            sig = signal.SIGINT
        elif ctrlType == win32con.CTRL_BREAK_EVENT:
            sig = signal.SIGTERM
        elif ctrlType == win32con.CTRL_CLOSE_EVENT:
            # Console is about to die.
            # CTRL_CLOSE_EVENT gives us 5 seconds before displaying
            # the "End process" dialog - so treat as 'fast'
            sig = signal.SIGTERM
        elif ctrlType in (win32con.CTRL_LOGOFF_EVENT,
                          win32con.CTRL_SHUTDOWN_EVENT):
            # MSDN says:
            # "Note that this signal is received only by services.
            # Interactive applications are terminated at logoff, so
            # they are not present when the system sends this signal."
            # We can therefore ignore it (our service framework
            # manages shutdown in this case)
            pass
        else:
            logger.info("Unexpected windows control event %d" % ctrlType)
        # Call the signal handler - we could also do it asynchronously
        # by setting the relevant event, but we need it synchronous so
        # that we don't wake the select loop until after the shutdown
        # flags have been set.
        result = 0
        if sig is not None and sig in self.registry:
            self.signalHandler(sig, None)
            result = 1  # don't call other handlers.
        return result